《AumSum Time》数理化生全科启蒙系列动画片

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• 📁 《AumSum Time》数理化生全科启蒙系列动画片
•     📁 10 - Amazing Facts 惊人的事实【57集 英文字幕】
•         📁 001-057
•             📄 43. How much weight can an Ant carry_ _ Fact - 22 _ #facts.mp4
•             📄 36. Why do Apples float on water_ _ Fact - 30 _ #facts.mp4
•             📄 33. Do male or female mosquitoes bite people_ _ Fact - 33 _ #facts.mp4
•             📄 40. How do Neurons communicate with each other_ _ Fact - 25 _ #facts.mp4
•             📄 16. Is it true that our ears and nose keep on growing_ _ Fact - 51 _ #facts.mp4
•             📄 18. How far can an Elephant smell water_ _ Fact - 49 _ #facts.mp4
•             📄 17. How fast does your cough travel_ _ Fact - 50 _ #facts.mp4
•             📄 31. Are your toe prints unique_ _ Fact - 35 _ #facts.mp4
•             📄 25. How many hearts does an earthworm have_ _ Fact - 41 _ #facts.mp4
•             📄 28. Human hair vs Chimpanzee _ Fact - 38 _ #facts.mp4
•             📄 30. Albatrosses sleep while flying_ _ Fact - 36 _ #facts.mp4
•             📄 22. How much carbon does the human body contain_ _ Fact - 45 _ #facts.mp4
•             📄 38. Do Beavers teeth continue to grow_ _ Fact - 27 _ #facts.mp4
•             📄 23. How do butterflies taste things_ _ Fact - 44 _ #facts.mp4
•             📄 39. How long is a Chameleon's Tongue_ _ Fact - 26 _ #facts.mp4
•             📄 35. The human body has enough fat to produce 7 bars of soap_ _ Fact - 31 _ #facts.mp4
•             📄 34. If a man never shaved how long would his beard be_ _ Fact - 32 _ #facts.mp4
•             📄 26. Can your heart drive a truck_ _ Fact - 40 _ #facts.mp4
•             📄 24. Do Astronauts become taller in space_ _ Fact - 43 _ #facts.mp4
•             📄 19. Can Tapeworms live inside humans_ _ Fact - 48 _ #facts.mp4
•             📄 21. Can a snail grow back its eye_ _ Fact - 46 _ #facts.mp4
•             📄 41. Is your Thigh Bone stronger than Concrete_ _ Fact - 24 _ #facts.mp4
•             📄 37. Are you Taller in the morning or at night_ _ Fact - 28 _ #facts.mp4
•             📄 27. Slowest fish in the world_ _ Fact - 39 _ #facts.mp4
•             📄 42. Do we weigh less when the Moon is above us_ _ Fact - 23 _ #facts.mp4
•             📄 20. Do frogs drink water_ _ Fact - 47 _ #facts.mp4
•             📄 32. How long can a cockroach hold its breath_ _ Fact - 34 _ #facts.mp4
•             📄 15. Can goats see 360 degrees_ _ Fact - 52 _ #facts.mp4
•             📄 14. How Strong is a Human Hair_ _ Fact - 6 _ #facts.mp4
•             📄 29. Why do hamsters have cheek pouches_ _ Fact - 37 _ #facts.mp4
•             📄 03. Collection of Facts _ Facts - 21 to 30 _ It's AumSum Time _ #facts.mp4
•             📄 56. Are Tongue prints unique_ _ Fact - 2 _ #facts.mp4
•             📄 09. How much Gold is found in the Human Body_ _ Fact - 18 _ #facts.mp4
•             📄 01. Collection of Facts _ Facts - 1 to 10 _ #facts.mp4
•             📄 53. Sneezing with Eyes open_ _ Fact - 7 _ #facts.mp4
•             📄 48. How much Heat does the human body produce_ _ Fact - 14 _ #facts.mp4
•             📄 49. Can we Taste food without Saliva_ _ Fact - 12 _ #facts.mp4
•             📄 45. How much Saliva do we produce in a lifetime_ _ Fact - 19 _ #facts.mp4
•             📄 04. Collection of Facts _ Facts - 31 to 40 _ #facts.mp4
•             📄 44. Octopus can squeeze through anything_ _ Fact - 21 _ #facts.mp4
•             📄 12. Human Scream and Coffee_ _ Fact - 10 _ #facts.mp4
•             📄 57. How loud can snoring be_ _ Fact - 1 _ #facts.mp4
•             📄 05. Collection of Facts _ Facts - 41 to 52 _ #facts.mp4
•             📄 51. Why Humans Shiver_ _ Fact - 9 _ #facts.mp4
•             📄 11. What is the resolution of the Human Eye in megapixels_ _ Fact - 13 _ #facts.mp4
•             📄 46. Interesting fact about Human Hair _ Fact - 17 _ #facts.mp4
•             📄 54. How much Water is in the Human Body_ _ Fact - 5 _ #facts.mp4
•             📄 50. Speed of Human Sneeze_ _ Fact - 11 _ #facts.mp4
•             📄 06. Can Oysters change their Gender_ _ Fact - 42 _ #facts.mp4
•             📄 08. Human Bones are stronger than Steel_ _ Fact - 20 _ #facts.mp4
•     📁 01 - Back to School. Videos for Kids 回到学校，儿童视频【508集 英文字幕】
•         📁 101-150
•             📄 137. Are you Afraid of Heights_ _ Vertigo.mp4
•             📄 131. Why don't we get crushed by atmospheric pressure.mp4
•             📄 102. How do we know that our Stomach is Full.mp4
•             📄 107. Why do paper cuts hurt so much.mp4
•             📄 134. How are Smartphones Changing us.mp4
•             📄 110. Rancidity - Why is a bag of chips half full.mp4
•             📄 126. Why is soil pH important to farmers.mp4
•             📄 135. How to cut onions Without crying.mp4
•             📄 109. Why do our teeth turn yellow.mp4
•             📄 140. Why are Giraffes so Tall.mp4
•             📄 149. Why is Pluto not a Planet anymore.mp4
•             📄 142. Why do we have two eyes instead of one.mp4
•             📄 132. Why do we blush.mp4
•             📄 145. Why are Pizza Boxes Square.mp4
•             📄 150. Is Eiffel Tower Taller in Summer.mp4
•             📄 148. Osmosis - How do fish drink water.mp4
•             📄 147. What is Depression.mp4
•             📄 119. Where is the Biggest Garbage Dump on Earth.mp4
•             📄 105. What is a Black Hole.mp4
•             📄 130. Which is the best Sleeping Position.mp4
•             📄 106. Why are Fish eating Plastic.mp4
•             📄 128. Why is whale vomit so valuable.mp4
•             📄 141. How are pearls formed.mp4
•             📄 127. Why is nuclear fusion not used to generate electricity.mp4
•             📄 136. Refraction of Light - Why does a pencil look bent in water.mp4
•             📄 143. Is Sugar bad for you.mp4
•             📄 139. How does the Moon cause Tides.mp4
•             📄 101. Why do mosquitoes bite only some people.mp4
•             📄 121. Single Displacement Reactions.mp4
•             📄 124. Which Came First - Chicken or Egg.mp4
•             📄 104. Buoyancy - Can you drown in the dead sea.mp4
•             📄 144. What if we stopped drinking water.mp4
•             📄 129. Why do we get hiccups.mp4
•             📄 123. Why can't you use phones on planes.mp4
•             📄 103. Turgor Pressure - Why does a Touch Me Not plant close.mp4
•             📄 108. Why do we sweat.mp4
•             📄 138. Can we Taste Food without Saliva.mp4
•             📄 133. What causes heart attacks.mp4
•             📄 125. Why do Bees Die when they Sting us.mp4
•             📄 146. Why do babies get jaundice.mp4
•             📄 122. Are Dolphins Smart.mp4
•             📄 111. Are Wisdom Teeth still Useful.mp4
•             📄 117. Burning of Magnesium Ribbon Experiment.mp4
•             📄 114. Why does salt make food taste better.mp4
•             📄 112. Why is dry ice so dangerous.mp4
•             📄 115. Is spicy food bad for you.mp4
•             📄 116. Is sleeping in Contact Lenses bad.mp4
•             📄 120. Is Sitting Bad for you.mp4
•             📄 118. Why is blood red in color.mp4
•             📄 113. Why do Elephants Never Forget.mp4
•         📁 151-200
•             📄 199. Osmosis - Why is grass killed if salt is sprinkled on it.mp4
•             📄 194. Is Mars really Red.mp4
•             📄 156. Why is there a Hole in the Ozone Layer.mp4
•             📄 168. Why can't dogs eat chocolates.mp4
•             📄 191. Surface Tension - Why are drops spherical.mp4
•             📄 152. Why are honey bees dying.mp4
•             📄 181. How does a bone heal.mp4
•             📄 162. How do ears help with balancing.mp4
•             📄 189. Why do Birds fly in V Shape.mp4
•             📄 166. What causes dark circles.mp4
•             📄 200. Density - Why does an iron nail float on mercury and sink in water.mp4
•             📄 155. Why does February have 28 days.mp4
•             📄 197. Why do we see only one side of the moon.mp4
•             📄 190. What is Déjà Vu.mp4
•             📄 151. What is the Big Bang Theory.mp4
•             📄 154. Can jellyfish live forever.mp4
•             📄 193. Why do we hear echoes.mp4
•             📄 171. What is a Hangover.mp4
•             📄 196. How do some Insects Walk on Water.mp4
•             📄 198. Volume of a Cylinder.mp4
•             📄 195. Why is glass transparent.mp4
•             📄 175. Why does spicy food make your nose run.mp4
•             📄 192. Where does the fat go when you lose weight.mp4
•             📄 153. Why do Snakes have Forked (Split) Tongue.mp4
•             📄 178. Do you hear 'Yanny' or 'Laurel'.mp4
•             📄 176. Does it Rain Diamonds on Jupiter and Saturn.mp4
•             📄 164. Why is Space Black.mp4
•             📄 188. What is a mirage.mp4
•             📄 170. Thermal Expansion - Why are gaps left between railway tracks.mp4
•             📄 167. What do Dogs see when they watch TV.mp4
•             📄 180. How do Microwave Ovens work.mp4
•             📄 187. How is the principle of centrifugation helpful in blood banks.mp4
•             📄 165. Why is it hard to Cure HIV _ AIDS.mp4
•             📄 183. Why do leaves turn yellow.mp4
•             📄 157. Why do firemen crawl in smoke filled rooms_ plus 9 more videos.mp4
•             📄 169. Why does a Flame always Point Upward.mp4
•             📄 173. Can you 'Hear Colors' or 'See Sounds'.mp4
•             📄 182. Why are Eggs Egg-shaped.mp4
•             📄 184. Why do we have different skin colors.mp4
•             📄 186. How do Animals Hibernate.mp4
•             📄 163. Multiplication by 10, 100 and 1000.mp4
•             📄 174. Why do we get Goosebumps.mp4
•             📄 160. What causes chapped lips.mp4
•             📄 159. Why is a convex mirror used as a rear view mirror.mp4
•             📄 179. What causes kidney stones.mp4
•             📄 185. Concave Mirror - Why is your reflection upside down on a spoon.mp4
•             📄 158. Is Radiation Harmful.mp4
•             📄 172. Neutralization Reaction - How to treat a bee sting.mp4
•             📄 161. Why do your eyes turn red in the pool.mp4
•             📄 177. Why did pirates wear eye patches.mp4
•         📁 251-300
•             📄 287. Why do we yawn.mp4
•             📄 296. Why does my Dog Stink when it is Wet.mp4
•             📄 291. Why don't we drink seawater.mp4
•             📄 273. Taste Buds - Why mint tastes cold.mp4
•             📄 276. How do pain relievers work.mp4
•             📄 259. What are those 'DO NOT EAT' packets.mp4
•             📄 272. Why does soda fizz when you shake it.mp4
•             📄 280. Caffeine - How does coffee keep you awake.mp4
•             📄 277. What is Constipation.mp4
•             📄 293. Why are Tears Salty.mp4
•             📄 289. Science of Snowflakes .mp4
•             📄 294. Why do mosquito bites itch.mp4
•             📄 256. Why does Water Dance on a Hot Pan.mp4
•             📄 278. Do Animals Dream.mp4
•             📄 284. Nervous System - Why don't we feel pain when we cut our hair.mp4
•             📄 271. How much Water should you Drink per day.mp4
•             📄 297. Why do we get Nosebleeds.mp4
•             📄 254. What is color blindness.mp4
•             📄 282. Why do we bite our nails.mp4
•             📄 264. Why are airplane windows round.mp4
•             📄 290. Why honey doesn't spoil.mp4
•             📄 298. How do igloos keep you warm.mp4
•             📄 275. How were the Pyramids built.mp4
•             📄 300. Why is curd not stored in copper containers.mp4
•             📄 279. Is Gluten bad for you.mp4
•             📄 281. Why do strawberries have seeds on the outside.mp4
•             📄 295. Why do we get bad breath.mp4
•             📄 274. Lunar Eclipse - Why does the moon turn red.mp4
•             📄 299. Why does popcorn pop.mp4
•             📄 292. What is Earwax.mp4
•             📄 288. Why are Rainclouds Dark.mp4
•             📄 286. Why is oxalic acid used to remove rust stains.mp4
•             📄 283. Why do heavier objects fall faster.mp4
•             📄 285. Why do we Dream.mp4
•             📄 258. How can Parrots Talk like Humans.mp4
•             📄 257. Gravitational Force - Why do you weigh less on the moon.mp4
•             📄 251. Why do we Scratch our Itch.mp4
•             📄 268. Why does ice float.mp4
•             📄 263. Why vultures don't get food poisoning.mp4
•             📄 253. How does blood clot.mp4
•             📄 255. Why are Flies so Hard to Swat.mp4
•             📄 265. Why are we Afraid of the Dark.mp4
•             📄 267. Why do Knuckles pop.mp4
•             📄 261. Why does rain smell.mp4
•             📄 270. Why is yawning contagious.mp4
•             📄 260. Why shouldn't we look at the sun.mp4
•             📄 266. Why is it easier to burn dry leaves but not green leaves.mp4
•             📄 252. Why are sunsets red.mp4
•             📄 262. How much Percent of our Brain do we use.mp4
•             📄 269. Why don't Sharks have Bones.mp4
•         📁 501-508
•             📄 504. Why does hot air balloon float.mp4
•             📄 506. What causes body odor.mp4
•             📄 502. Why is a diver able to cut through water in a swimming pool.mp4
•             📄 505. Why are flamingos pink.mp4
•             📄 508. Forced Vibrations - Why does a guitar have a hollow box.mp4
•             📄 507. How can we smell things.mp4
•             📄 503. How do straws work.mp4
•             📄 501. Why do koalas hug trees.mp4
•         📁 201-250
•             📄 240. How do dolphins sleep.mp4
•             📄 241. Why is the ocean blue.mp4
•             📄 215. How do vaccines work.mp4
•             📄 208. How do chameleons change color.mp4
•             📄 209. What is Special about a Giraffes Heart.mp4
•             📄 205. Why do we get angry when we are hungry.mp4
•             📄 207. Why do my Granny's Legs Pain_ _ What is Arthritis.mp4
•             📄 250. What are tonsil stones.mp4
•             📄 213. How does a Spider make its web.mp4
•             📄 248. What causes earthquakes.mp4
•             📄 203. Are Einstein's Gravitational Waves real.mp4
•             📄 218. Mitosis - Why does a lizard's tail grow back.mp4
•             📄 212. Can Trees Talk.mp4
•             📄 225. Why do we sleep.mp4
•             📄 214. What is asthma.mp4
•             📄 223. Can Cockroaches live without their Heads.mp4
•             📄 234. How Tattoo Removal works.mp4
•             📄 219. How to Stop a Sneeze.mp4
•             📄 245. Snake vs Mongoose, who wins.mp4
•             📄 249. Why do we Cry.mp4
•             📄 233. Why do old books smell so good.mp4
•             📄 217. Why don't we fall into the center of the earth.mp4
•             📄 224. Why do we snore.mp4
•             📄 201. Why is salt added to icy roads.mp4
•             📄 226. Shadow, Rust, Pollination, Magnetic Compass, Neutralization and much more!!.mp4
•             📄 211. How do Stars form.mp4
•             📄 231. How does a plastic comb attract paper.mp4
•             📄 243. What makes tattoos permanent.mp4
•             📄 242. Are Preservatives Bad for you.mp4
•             📄 232. Why does our recorded voice sound different.mp4
•             📄 235. Why do we feel Butterflies in our Stomach.mp4
•             📄 222. Why does Swiss cheese have holes.mp4
•             📄 230. Why do pop rocks pop.mp4
•             📄 216. Why are Manhole Covers Round.mp4
•             📄 210. Why don't cockroaches die easily.mp4
•             📄 229. Why can't we tickle ourselves.mp4
•             📄 206. Why do humans Love Music.mp4
•             📄 238. Why do we use a black umbrella in summer.mp4
•             📄 204. Introduction to Exponents.mp4
•             📄 237. Does Octopus have Nine Brains.mp4
•             📄 247. Frequency - Why do women have shriller voices than men.mp4
•             📄 239. How does Anesthesia work.mp4
•             📄 236. What is Diabetes.mp4
•             📄 221. Why is it hard to cure Alzheimer's disease.mp4
•             📄 228. Pathogens - Why do we get fever.mp4
•             📄 244. What causes cavities.mp4
•             📄 202. Why do we Love Chocolates.mp4
•             📄 246. Is Running Bad for Knees.mp4
•             📄 227. Why do people Smoke.mp4
•             📄 220. What is a Tsunami.mp4
•         📁 351-400
•             📄 361. Why can't babies walk at birth.mp4
•             📄 356. Why does Saturn have rings.mp4
•             📄 364. Why do we Love Junk Food.mp4
•             📄 399. Why are two thin blankets warmer than one thick blanket.mp4
•             📄 359. How do fireflies glow.mp4
•             📄 360. What is the cause of muscle cramps.mp4
•             📄 398. Why are Gold and Platinum used to make Jewellery.mp4
•             📄 355. Why does helium make you sound funny.mp4
•             📄 362. How does placebo effect work.mp4
•             📄 391. Why is bird poop white.mp4
•             📄 378. Why do bubbles pop.mp4
•             📄 392. Resonance - How does sound break glass.mp4
•             📄 381. Can animals get a sunburn.mp4
•             📄 366. Why should we not overwater potted plants.mp4
•             📄 371. Can Dogs detect Cancer.mp4
•             📄 370. What causes wrinkles.mp4
•             📄 394. Why do woolen clothes keep us warm.mp4
•             📄 374. Why do we faint.mp4
•             📄 380. What are eye floaters.mp4
•             📄 367. Gravity - Why are planets spherical.mp4
•             📄 386. Convex Lens - Can a magnifying glass burn paper.mp4
•             📄 382. Why does water go stale overnight.mp4
•             📄 393. How do glasses work.mp4
•             📄 365. Why do stars seem higher than they actually are.mp4
•             📄 353. Archimedes Principle - Why do we weigh less in water.mp4
•             📄 375. Why do we see lightning before thunder.mp4
•             📄 351. Why is Hot water Harmful for Fish.mp4
•             📄 354. Do Grasshoppers Hear through their Belly.mp4
•             📄 357. What happens if a plane is struck by lightning.mp4
•             📄 397. Lateral Inversion - Why is ambulance written in reverse.mp4
•             📄 363. What is an allergy.mp4
•             📄 373. Myopia - What causes nearsightedness.mp4
•             📄 383. Why does your tongue stick to a frozen pole.mp4
•             📄 379. Why do we Blink.mp4
•             📄 358. Why do Cats have Vertical Pupils.mp4
•             📄 372. Friction - Why is it difficult to pull a boat on the beach than on the sea.mp4
•             📄 376. Why do dogs lick their wounds.mp4
•             📄 352. What makes ice clear or cloudy.mp4
•             📄 400. Why do our muscles get sore.mp4
•             📄 395. Why do we get freckles.mp4
•             📄 389. Why do bees build hexagonal honeycombs.mp4
•             📄 368. The Human Heart .mp4
•             📄 388. What is sleep paralysis.mp4
•             📄 390. Why do water lilies have stomata on the upper side of their leaves.mp4
•             📄 385. What causes Pneumonia.mp4
•             📄 387. Sublimation - Why do mothballs disappear over time.mp4
•             📄 384. How do scars form.mp4
•             📄 396. Can you solve this Riddle.mp4
•             📄 369. Why Smoking makes People look Old.mp4
•             📄 377. Why are some people Lazy.mp4
•         📁 451-500
•             📄 481. Oxidation - Why do papers turn yellow.mp4
•             📄 454. What is a Cataract.mp4
•             📄 489. How are Rainbows formed.mp4
•             📄 496. Why don't spiders stick to their webs.mp4
•             📄 477. Why do wet clothes feel cold.mp4
•             📄 484. Why do dogs pant.mp4
•             📄 455. Why do Flamingos stand on one leg.mp4
•             📄 488. Why do we get sunburn.mp4
•             📄 460. Whose Poop is Cube shaped.mp4
•             📄 493. Density - Why do firemen crawl in smoke filled rooms.mp4
•             📄 498. Why is the upper surface of a leaf more green and shiny.mp4
•             📄 486. Why do our fingers get wrinkly.mp4
•             📄 478. Why are Tennis balls Yellow and Fuzzy.mp4
•             📄 459. Why do koalas hug trees.mp4
•             📄 451. Why don't spiders stick to their webs.mp4
•             📄 456. Why do elephants have big ears.mp4
•             📄 452. Why is a laboratory thermometer not used to check body temperature.mp4
•             📄 464. Why does hot air balloon float.mp4
•             📄 475. Why does a match light when you strike it.mp4
•             📄 453. Why are Tennis balls Yellow and Fuzzy.mp4
•             📄 469. Why do we have 5 fingers.mp4
•             📄 473. How do migratory birds find their way.mp4
•             📄 470. Why do some people have Dimples.mp4
•             📄 461. Why do comets have tails.mp4
•             📄 474. Oxidation - Why do copper vessels turn green.mp4
•             📄 463. How do straws work.mp4
•             📄 467. How can we smell things.mp4
•             📄 471. Is Fasting Good or Bad for you.mp4
•             📄 491. Earthing - Why do buildings have lightning rods.mp4
•             📄 482. Why do Flamingos stand on one leg.mp4
•             📄 499. Why do elephants have big ears.mp4
•             📄 465. Why are flamingos pink.mp4
•             📄 497. What is a Cataract.mp4
•             📄 457. Why is the upper surface of a leaf more green and shiny.mp4
•             📄 483. Why are cloudy nights warmer than clear nights.mp4
•             📄 500. Why do comets have tails.mp4
•             📄 466. What causes body odor.mp4
•             📄 487. How is coffee decaffeinated.mp4
•             📄 495. Why is a laboratory thermometer not used to check body temperature.mp4
•             📄 490. What is fracking.mp4
•             📄 485. Why can we see our breath in the cold.mp4
•             📄 468. Forced Vibrations - Why does a guitar have a hollow box.mp4
•             📄 494. Quadratic Equations .mp4
•             📄 458. Why does sunlight make you sneeze.mp4
•             📄 462. Why is a diver able to cut through water in a swimming pool.mp4
•         📁 051-100
•             📄 080. Hydrocarbons.mp4
•             📄 094. Tooth Structure for Kids.mp4
•             📄 084. Learning about Area.mp4
•             📄 096. Decomposition Reaction.mp4
•             📄 089. Square Root Tricks.mp4
•             📄 093. Why do Snakes shed their Skin.mp4
•             📄 095. What exactly killed the Dinosaurs.mp4
•             📄 057. Dalton's Atomic Theory.mp4
•             📄 082. Can we Travel Faster than Light.mp4
•             📄 078. Electrolytic Refining of Metals.mp4
•             📄 081. Volume of a Sphere.mp4
•             📄 085. Subtraction of Fractions for Kids.mp4
•             📄 070. Why don't Birds get Electrocuted on Power Cables.mp4
•             📄 079. Why do Ants walk in a Straight Line.mp4
•             📄 072. Pythagorean Theorem.mp4
•             📄 088. Why is it hard to Cure Cancer.mp4
•             📄 076. Has the Bermuda Triangle mystery been Solved.mp4
•             📄 087. Why are some people Left Handed.mp4
•             📄 100. Can pure oxygen kill you.mp4
•             📄 090. Modes of Transportation _ Videos for Kids.mp4
•             📄 062. Why do some people Sweat more than others.mp4
•             📄 058. Chromatography.mp4
•             📄 069. Diffusion.mp4
•             📄 097. Electrical Conductivity.mp4
•             📄 055. Solution, Suspension and Colloid.mp4
•             📄 071. Rational Numbers.mp4
•             📄 092. Density - Why does oil float on water.mp4
•             📄 083. What is Blood Rain.mp4
•             📄 077. Human Sense Organs _ Videos for Kids.mp4
•             📄 091. Rusting of Iron.mp4
•             📄 065. Why do we get white hair.mp4
•             📄 073. Is it Bad to Hold our Urine.mp4
•             📄 086. How Tall can we Grow.mp4
•             📄 098. Respiration - Why is it not good to sleep under a tree at night.mp4
•             📄 053. Crystallization.mp4
•             📄 068. Why do Dead Whales Explode.mp4
•             📄 051. Structure of a Neuron.mp4
•             📄 099. Do Animals live Longer than Humans.mp4
•             📄 060. How do bees make honey.mp4
•             📄 066. Why do we get dandruff.mp4
•             📄 056. Basic Multiplication for kids.mp4
•             📄 075. Tyndall Effect - Why does the sky appear blue.mp4
•             📄 063. Magnetic Field.mp4
•             📄 059. Addition of Fractions for Kids.mp4
•             📄 064. Introduction to Perimeter.mp4
•             📄 061. Electromagnetic Induction.mp4
•             📄 074. Human Tears - Why do onions make you cry.mp4
•             📄 054. Soil Formation for Kids.mp4
•             📄 067. Vermicomposting.mp4
•             📄 052. Phases of Moon.mp4
•         📁 401-450
•             📄 449. Quadratic Equations .mp4
•             📄 422. How do fish breathe underwater.mp4
•             📄 424. Newton's 3rd Law - Why does a swimmer push the water backward.mp4
•             📄 429. Why do we shiver.mp4
•             📄 421. Is Dairy Good or Bad.mp4
•             📄 430. Why are there 7 Days in a Week.mp4
•             📄 403. Why do dogs wag their tails.mp4
•             📄 407. Why do animals eyes glow in the dark.mp4
•             📄 418. Transpiration - Why do cacti have spines.mp4
•             📄 427. The Carbon Cycle .mp4
•             📄 414. What is Vocal Fry.mp4
•             📄 425. Why does steam cause more severe burns than boiling water.mp4
•             📄 435. Why do wet clothes feel cold.mp4
•             📄 419. Why do we have seasons.mp4
•             📄 408. What is a Jet Lag.mp4
•             📄 431. Why is Grass Green.mp4
•             📄 412. How do antiperspirants work.mp4
•             📄 415. How do geckos (lizards) stick to walls.mp4
•             📄 409. Why does our stomach growl.mp4
•             📄 405. Why are auroras formed.mp4
•             📄 406. What is a tardigrade.mp4
•             📄 417. Is Coffee good for Health.mp4
•             📄 401. Why doesn't it go Dark when we Blink.mp4
•             📄 448. Density - Why do firemen crawl in smoke filled rooms.mp4
•             📄 413. What is the Color of a Mirror.mp4
•             📄 444. Why do we get sunburn.mp4
•             📄 433. Why does a match light when you strike it.mp4
•             📄 438. What is frostbite.mp4
•             📄 402. What if you fell into a Black Hole.mp4
•             📄 436. Oxidation - Why do papers turn yellow.mp4
•             📄 439. Why are cloudy nights warmer than clear nights.mp4
•             📄 411. How do antacids work.mp4
•             📄 450. Is Diabetes Hereditary.mp4
•             📄 428. How do migratory birds find their way.mp4
•             📄 432. Why does Sugar Hurt our Teeth.mp4
•             📄 441. Why can we see our breath in the cold.mp4
•             📄 410. Why do limbs fall asleep.mp4
•             📄 440. Why do dogs pant.mp4
•             📄 442. Why do our fingers get wrinkly.mp4
•             📄 446. Earthing - Why do buildings have lightning rods.mp4
•             📄 420. How does an owl fly so silently.mp4
•             📄 423. Why is fluoride added to water.mp4
•             📄 404. What causes brain freeze.mp4
•             📄 426. Why does a turmeric stain turn red.mp4
•             📄 445. What is fracking.mp4
•             📄 416. How was Silk invented.mp4
•             📄 437. Oxidation - Why do copper vessels turn green.mp4
•             📄 434. Why are Prime Numbers so Weird.mp4
•             📄 447. Why is soap ineffective in hard water.mp4
•             📄 443. How is coffee decaffeinated.mp4
•         📁 301-350
•             📄 316. Is Antibacterial soap bad for you.mp4
•             📄 346. Why do people go bald.mp4
•             📄 327. What if everyone went Vegetarian.mp4
•             📄 308. Why don't penguins' feet freeze.mp4
•             📄 343. What if the Sun Disappeared.mp4
•             📄 303. Atmospheric Refraction - Why do stars twinkle.mp4
•             📄 317. Why do we breathe through one nostril.mp4
•             📄 314. Do Plants get Cancer.mp4
•             📄 347. Why are we addicted to Sugar.mp4
•             📄 331. How were French Fries Invented.mp4
•             📄 340. Why do birds need gravity to swallow food.mp4
•             📄 337. Why are some people double jointed.mp4
•             📄 330. What are eye boogers.mp4
•             📄 350. Wavelength - Why red is used as a danger signal.mp4
•             📄 344. How do Airbags work.mp4
•             📄 305. Why is ultrasound used in sonar.mp4
•             📄 304. Why can't we hear sound in space.mp4
•             📄 332. What is a stroke.mp4
•             📄 342. Why do we stretch in the morning.mp4
•             📄 335. Exponents in Math - Negative Exponents .mp4
•             📄 348. Can animals predict natural disasters.mp4
•             📄 341. Why do we have different time zones.mp4
•             📄 334. Why does sound travel faster in summer than in winter.mp4
•             📄 345. Diffusion - Why can we smell hot food from a distance.mp4
•             📄 320. Is distilled water safe to drink.mp4
•             📄 339. Specific Heat of Water - Why is water used in hot water bags.mp4
•             📄 333. Why do you fall backwards when a bus starts suddenly.mp4
•             📄 349. Why do cats purr.mp4
•             📄 319. What causes Heartburn.mp4
•             📄 311. What is Migraine.mp4
•             📄 338. Why is snow white.mp4
•             📄 328. Water Purification - Why is alum added to water.mp4
•             📄 326. Can Dogs recognize their Moms.mp4
•             📄 329. Do Bees Dance.mp4
•             📄 318. What causes Sinkholes.mp4
•             📄 315. Why do people grind their teeth.mp4
•             📄 301. Why do we get eye bags.mp4
•             📄 313. Pythagoras Theorem, Fractions, Ratio, Proportion and much more!! .mp4
•             📄 321. How do Horses Sleep.mp4
•             📄 309. Why do we get car sickness.mp4
•             📄 310. Why do we burp.mp4
•             📄 306. Why are some people always cold.mp4
•             📄 323. How do X-rays work_ _Why is Space Black.mp4
•             📄 307. Why is it difficult to cut with a blunt knife.mp4
•             📄 336. Red Eye Effect - Why do my eyes glow red in photos.mp4
•             📄 312. Why does airplane food taste bad.mp4
•             📄 324. Why do we Fart.mp4
•             📄 322. How do Miracle Fruits work.mp4
•             📄 302. Can we Burp in Space.mp4
•             📄 325. Can Bananas cause Radiation Poisoning.mp4
•         📁 001-050
•             📄 024. 3 Types of Rocks.mp4
•             📄 037. Simple Distillation.mp4
•             📄 042. Basic Division for Kids.mp4
•             📄 023. Nitrogen Cycle.mp4
•             📄 045. Ohm's Law.mp4
•             📄 029. Covalent Bonding.mp4
•             📄 001. Layers of the Earth for Kids.mp4
•             📄 006. Balanced Diet.mp4
•             📄 004. Solid Shapes for Kids.mp4
•             📄 050. What happens to Our Body after we Die.mp4
•             📄 019. Potential and Kinetic Energy for Kids.mp4
•             📄 039. Sexual Reproduction in Flowering Plants.mp4
•             📄 049. Why do we get pimples.mp4
•             📄 008. Planets of the Solar System _ Videos for Kids.mp4
•             📄 048. Force, Work and Energy for Kids.mp4
•             📄 018. Life Cycle of a Frog.mp4
•             📄 016. Animal Cell.mp4
•             📄 014. Living and Nonliving Things for Kids.mp4
•             📄 013. Layers of Soil for Kids.mp4
•             📄 017. Seasons on Earth _ Videos for Kids.mp4
•             📄 010. Seed Germination.mp4
•             📄 012. Parts of a Plant.mp4
•             📄 009. Digestive System of Human Body.mp4
•             📄 003. Life Cycle of a Butterfly.mp4
•             📄 005. Global Warming for Kids.mp4
•             📄 032. Laws of Reflection.mp4
•             📄 011. Photosynthesis.mp4
•             📄 015. Air Pollution for Kids.mp4
•             📄 047. Light _ Videos for Kids.mp4
•             📄 021.The 3 R's for Kids.mp4
•             📄 007. Greenhouse Effect for Kids.mp4
•             📄 002. Newton's First Law of Motion.mp4
•             📄 038. Fleming's Left Hand Rule.mp4
•             📄 035. Why is Ocean water Salty.mp4
•             📄 034. Equivalent Fractions for Kids.mp4
•             📄 027. Introduction to Fractions for Kids.mp4
•             📄 041. Basic Addition for Kids.mp4
•             📄 040. Basic Subtraction for Kids.mp4
•             📄 033. Osmosis.mp4
•             📄 025. Magnetism for Kids.mp4
•             📄 022. Human Eye.mp4
•             📄 043. Balancing Chemical Equations for beginners.mp4
•             📄 044. How do Birds Fly for Children.mp4
•             📄 020. Newton's Second Law of Motion.mp4
•             📄 031. Parts of the Body for Kids.mp4
•             📄 026. Water Pollution for Kids.mp4
•             📄 028. States of Matter for Kids.mp4
•             📄 030. Water Cycle for Kids.mp4
•             📄 036. How do nails grow.mp4
•             📄 046. Physical and Chemical Changes for Kids.mp4
•     📁 04 - Physics Videos 物理视频【127集 英文字幕】
•         📁 001-050
•             📄 032. Why does February have 28 days.mp4
•             📄 030. How do X-rays work_ _Why is Space Black.mp4
•             📄 048. What happens if a plane is struck by lightning.mp4
•             📄 004. Why is Pluto not a Planet anymore.mp4
•             📄 027. Why is Space Black.mp4
•             📄 036. Why are airplane windows round.mp4
•             📄 001. Why are there 7 Days in a Week.mp4
•             📄 047. Why does helium make you sound funny.mp4
•             📄 040. Why is glass transparent.mp4
•             📄 005. Why do bubbles pop.mp4
•             📄 046. Why does our recorded voice sound different.mp4
•             📄 026. Are Einstein's Gravitational Waves real.mp4
•             📄 003. How were the Pyramids built.mp4
•             📄 050. What is a Tsunami.mp4
•             📄 037. How do chameleons change color.mp4
•             📄 041. How do igloos keep you warm.mp4
•             📄 029. Why do we have different time zones.mp4
•             📄 043. Why does Saturn have rings.mp4
•             📄 033. Why do we see only one side of the moon.mp4
•             📄 022. How do Stars form.mp4
•             📄 006. Why don't Birds get Electrocuted on Power Cables.mp4
•             📄 025. Has the Bermuda Triangle mystery been Solved.mp4
•             📄 002. What if you fell into a Black Hole.mp4
•             📄 031. Why do heavier objects fall faster.mp4
•             📄 017. Why does a Flame always Point Upward.mp4
•             📄 021. Can we Travel Faster than Light.mp4
•             📄 024. What is a Black Hole.mp4
•             📄 012. Why are Manhole Covers Round.mp4
•             📄 038. Why did pirates wear eye patches.mp4
•             📄 008. What is the Color of a Mirror.mp4
•             📄 019. Is Eiffel Tower Taller in Summer.mp4
•             📄 009. Why are Tennis balls Yellow and Fuzzy.mp4
•             📄 035. What is a mirage.mp4
•             📄 044. Why is snow white.mp4
•             📄 028. Why are sunsets red.mp4
•             📄 018. Can we Burp in Space.mp4
•             📄 042. Why do pop rocks pop.mp4
•             📄 020. How do Microwave Ovens work.mp4
•             📄 045. Why can't you use phones on planes.mp4
•             📄 010. How do some Insects Walk on Water.mp4
•             📄 039. How do glasses work.mp4
•             📄 034. Why does ice float.mp4
•             📄 011. Why are Pizza Boxes Square.mp4
•             📄 013. Pythagoras Theorem, Fractions, Ratio, Proportion and much more!! .mp4
•             📄 014. Shadow, Rust, Pollination, Magnetic Compass, Neutralization and much more!! .mp4
•             📄 015. Why are Rainclouds Dark.mp4
•             📄 049. Why does hot air balloon float.mp4
•             📄 016. Why does Water Dance on a Hot Pan.mp4
•             📄 007. Why do Birds fly in V Shape.mp4
•             📄 023. What is the Big Bang Theory.mp4
•         📁 101-127
•             📄 124. Why doesn't Earth have Rings like Saturn.mp4
•             📄 119. How are Rainbows formed.mp4
•             📄 101. Thermal Expansion - Why are gaps left between railway tracks.mp4
•             📄 107. Laws of Reflection .mp4
•             📄 116. Potential and Kinetic Energy for Kids .mp4
•             📄 118. What if earth lost Oxygen for 5 seconds.mp4
•             📄 120. What if Wheels were Never Invented.mp4
•             📄 105. Tyndall Effect - Why does the sky appear blue.mp4
•             📄 126. Why is Equator Hot but Poles are Cold.mp4
•             📄 110. Electrical Conductivity .mp4
•             📄 117. Force, Work and Energy for Kids .mp4
•             📄 122. What if the Earth had 2 Moons.mp4
•             📄 121. What if Earth Stopped Spinning.mp4
•             📄 111. Fleming's Left Hand Rule .mp4
•             📄 123. Why is landing on Mars so difficult.mp4
•             📄 102. Why don't we fall into the center of the earth.mp4
•             📄 115. Newton's Second Law of Motion .mp4
•             📄 104. Density - Why does oil float on water.mp4
•             📄 106. Magnetic Field .mp4
•             📄 113. Newton's First Law of Motion .mp4
•             📄 127. Why do we Swing our Arms while Walking.mp4
•             📄 112. Electromagnetic Induction .mp4
•             📄 109. Ohm's Law .mp4
•             📄 114. Magnetism for Kids .mp4
•             📄 108. Dalton's Atomic Theory .mp4
•             📄 103. How is the principle of centrifugation helpful in blood banks.mp4
•             📄 125. How does a Fan give us Cool Air.mp4
•         📁 051-100
•             📄 094. Concave Mirror - Why is your reflection upside down on a spoon.mp4
•             📄 055. Archimedes Principle - Why do ships float.mp4
•             📄 056. How do straws work.mp4
•             📄 099. Why do you fall backwards when a bus starts suddenly.mp4
•             📄 097. How does a plastic comb attract paper.mp4
•             📄 095. Why do we hear echoes.mp4
•             📄 089. Why is a laboratory thermometer not used to check body temperature.mp4
•             📄 085. Why is a convex mirror used as a rear view mirror.mp4
•             📄 082. Gravitational Force - Why do you weigh less on the moon.mp4
•             📄 083. Why do stars seem higher than they actually are.mp4
•             📄 081. Why is it difficult to cut with a blunt knife.mp4
•             📄 088. Specific Heat of Water - Why is water used in hot water bags.mp4
•             📄 100. Why don't we get crushed by atmospheric pressure.mp4
•             📄 073. Why does sound travel faster in summer than in winter.mp4
•             📄 098. Why can't we hear sound in space.mp4
•             📄 077. Frequency - Why do women have shriller voices than men.mp4
•             📄 070. Why are two thin blankets warmer than one thick blanket.mp4
•             📄 060. Lunar Eclipse - Why does the moon turn red.mp4
•             📄 086. Newton's 3rd Law - Why does a swimmer push the water backward.mp4
•             📄 075. Density - Why does an iron nail float on mercury and sink in water.mp4
•             📄 090. Why are cloudy nights warmer than clear nights.mp4
•             📄 058. Why is it easier to burn dry leaves but not green leaves.mp4
•             📄 061. Why are auroras formed.mp4
•             📄 092. Why do we see lightning before thunder.mp4
•             📄 065. Atmospheric Refraction - Why do stars twinkle.mp4
•             📄 066. Convex Lens - Can a magnifying glass burn paper.mp4
•             📄 096. Why is nuclear fusion not used to generate electricity.mp4
•             📄 093. Buoyancy - Can you drown in the dead sea.mp4
•             📄 091. Why do we use a black umbrella in summer.mp4
•             📄 076. Diffusion - Why can we smell hot food from a distance.mp4
•             📄 074. Earthing - Why do buildings have lightning rods.mp4
•             📄 080. Density - Why do firemen crawl in smoke filled rooms.mp4
•             📄 078. Refraction of Light - Why does a pencil look bent in water.mp4
•             📄 068. Lateral Inversion - Why is ambulance written in reverse.mp4
•             📄 072. Why does a match light when you strike it.mp4
•             📄 059. Why does popcorn pop.mp4
•             📄 051. Why is the ocean blue.mp4
•             📄 054. What causes earthquakes.mp4
•             📄 053. Why do we have seasons.mp4
•             📄 067. Gravity - Why are planets spherical.mp4
•             📄 084. Why do woolen clothes keep us warm.mp4
•             📄 063. Resonance - How does sound break glass.mp4
•             📄 052. What is fracking.mp4
•             📄 062. Friction - Why is it difficult to pull a boat on the beach than on the sea.mp4
•             📄 057. Forced Vibrations - Why does a guitar have a hollow box.mp4
•             📄 079. Why is ultrasound used in sonar.mp4
•             📄 071. Wavelength - Why red is used as a danger signal.mp4
•             📄 069. Why do comets have tails.mp4
•             📄 087. Archimedes Principle - Why do we weigh less in water.mp4
•             📄 064. Surface Tension - Why are drops spherical.mp4
•     📁 09 - Learning PhysicsChemistry & Biology 学习物理化学和生物学
•         📁 301-350
•             📄 331. Why do we get dandruff.mp4
•             📄 303. How does a Spider make its web.mp4
•             📄 326. Can we Taste Food without Saliva.mp4
•             📄 329. Why don't spiders stick to their webs.mp4
•             📄 347. Whose Poop is Cube shaped.mp4
•             📄 314. Why are Eggs Egg-shaped.mp4
•             📄 312. Do Bees Dance.mp4
•             📄 324. Can Cockroaches live without their Heads.mp4
•             📄 306. Can Trees Talk.mp4
•             📄 340. Why do we Love Junk Food.mp4
•             📄 327. How do antiperspirants work.mp4
•             📄 337. The Carbon Cycle _ #aumsum.mp4
•             📄 320. What exactly killed the Dinosaurs.mp4
•             📄 310. Does Octopus have Nine Brains.mp4
•             📄 319. Pythagoras Theorem, Fractions, Ratio, Proportion and much more!! _ #aumsum.mp4
•             📄 322. How much Percent of our Brain do we use.mp4
•             📄 316. Can Dogs detect Cancer.mp4
•             📄 313. Is Mars really Red.mp4
•             📄 304. How do Horses Sleep.mp4
•             📄 318. Shadow, Rust, Pollination, Magnetic Compass, Neutralization and much more!! _ #aumsum.mp4
•             📄 302. Do Animals Dream.mp4
•             📄 305. Can Bananas cause Radiation Poisoning.mp4
•             📄 311. Can we Burp in Space.mp4
•             📄 307. Is Eiffel Tower Taller in Summer.mp4
•             📄 315. Why does Water Dance on a Hot Pan.mp4
•             📄 321. Why are Manhole Covers Round.mp4
•             📄 301. How do Microwave Ovens work.mp4
•             📄 323. What is Special about a Giraffes Heart.mp4
•             📄 309. Does it Rain Diamonds on Jupiter and Saturn.mp4
•             📄 338. How were French Fries Invented.mp4
•             📄 334. How do Miracle Fruits work.mp4
•             📄 346. Why is Hot water Harmful for Fish.mp4
•             📄 333. Which Came First - Chicken or Egg.mp4
•             📄 335. How do some Insects Walk on Water.mp4
•             📄 344. Why do Birds fly in V Shape.mp4
•             📄 325. Why does a Flame always Point Upward.mp4
•             📄 332. Why are Pizza Boxes Square.mp4
•             📄 341. What is the Color of a Mirror.mp4
•             📄 342. The Human Heart _ #aumsum.mp4
•             📄 343. Why do Flamingos stand on one leg.mp4
•             📄 348. Why are Flies so Hard to Swat.mp4
•             📄 308. Do Grasshoppers Hear through their Belly.mp4
•             📄 336. Where is the Biggest Garbage Dump on Earth.mp4
•             📄 330. Why does helium make you sound funny.mp4
•             📄 349. Why does Sugar Hurt our Teeth.mp4
•             📄 345. How do Airbags work.mp4
•             📄 328. What is a stroke.mp4
•             📄 317. Why are Rainclouds Dark.mp4
•             📄 350. Do Plants get Cancer.mp4
•             📄 339. Why are Tennis balls Yellow and Fuzzy.mp4
•         📁 001-050
•             📄 016. Why is a diver able to cut through water in a swimming pool.mp4
•             📄 014. Why are auroras formed.mp4
•             📄 006. Myopia - What causes nearsightedness.mp4
•             📄 002. Why is it easier to burn dry leaves but not green leaves.mp4
•             📄 012. Why do we get pimples.mp4
•             📄 037. Earthing - Why do buildings have lightning rods.mp4
•             📄 030. Nervous System - Why don't we feel pain when we cut our hair.mp4
•             📄 046. Why is it difficult to cut with a blunt knife.mp4
•             📄 029. Wavelength - Why red is used as a danger signal.mp4
•             📄 036. Why is oxalic acid used to remove rust stains.mp4
•             📄 001. Why do we sweat.mp4
•             📄 041. Why do water lilies have stomata on the upper side of their leaves.mp4
•             📄 008. Why do we snore.mp4
•             📄 047. Gravitational Force - Why do you weigh less on the moon.mp4
•             📄 009. Lunar Eclipse - Why does the moon turn red.mp4
•             📄 023. Osmosis - How do fish drink water.mp4
•             📄 021. Convex Lens - Can a magnifying glass burn paper.mp4
•             📄 028. Why are two thin blankets warmer than one thick blanket.mp4
•             📄 035. Why does sound travel faster in summer than in winter.mp4
•             📄 010. Taste Buds - Why mint tastes cold.mp4
•             📄 024. Lateral Inversion - Why is ambulance written in reverse.mp4
•             📄 013. Pathogens - Why do we get fever.mp4
•             📄 007. Why do we get freckles.mp4
•             📄 049. Why do woolen clothes keep us warm.mp4
•             📄 018. Water Purification - Why is alum added to water.mp4
•             📄 019. Surface Tension - Why are drops spherical.mp4
•             📄 020. Atmospheric Refraction - Why do stars twinkle.mp4
•             📄 022. Gravity - Why are planets spherical.mp4
•             📄 027. Why do we get hiccups.mp4
•             📄 032. Why should we not overwater potted plants.mp4
•             📄 015. Friction - Why is it difficult to pull a boat on the beach than on the sea.mp4
•             📄 011. Why do dogs pant.mp4
•             📄 045. Density - Why do firemen crawl in smoke filled rooms.mp4
•             📄 048. Why do stars seem higher than they actually are.mp4
•             📄 005. Red Eye Effect - Why do my eyes glow red in photos.mp4
•             📄 038. Density - Why does an iron nail float on mercury and sink in water.mp4
•             📄 017. Resonance - How does sound break glass.mp4
•             📄 033. Why do wet clothes feel cold.mp4
•             📄 026. Why does steam cause more severe burns than boiling water.mp4
•             📄 004. Why does popcorn pop.mp4
•             📄 003. Why does spicy food make your nose run.mp4
•             📄 031. Transpiration - Why do cacti have spines.mp4
•             📄 043. Why is ultrasound used in sonar.mp4
•             📄 040. Frequency - Why do women have shriller voices than men.mp4
•             📄 050. Why is a convex mirror used as a rear view mirror.mp4
•             📄 044. Sublimation - Why do mothballs disappear over time.mp4
•             📄 042. Refraction of Light - Why does a pencil look bent in water.mp4
•             📄 039. Diffusion - Why can we smell hot food from a distance.mp4
•             📄 025. Why do comets have tails.mp4
•             📄 034. Why does a match light when you strike it.mp4
•         📁 151-200
•             📄 181. What causes dark circles.mp4
•             📄 162. What is sleep paralysis.mp4
•             📄 155. Why do we faint.mp4
•             📄 179. Why did pirates wear eye patches.mp4
•             📄 177. How do nails grow.mp4
•             📄 175. Why do babies get jaundice.mp4
•             📄 199. Why is whale vomit so valuable.mp4
•             📄 166. What is Déjà Vu.mp4
•             📄 173. How do igloos keep you warm.mp4
•             📄 157. Why can't you use phones on planes.mp4
•             📄 164. Why does Saturn have rings.mp4
•             📄 192. What if we stopped drinking water.mp4
•             📄 161. Why do dogs lick their wounds.mp4
•             📄 165. Why do bees build hexagonal honeycombs.mp4
•             📄 174. What causes wrinkles.mp4
•             📄 196. How do fish breathe underwater.mp4
•             📄 171. What is a tardigrade.mp4
•             📄 194. How is coffee decaffeinated.mp4
•             📄 170. Why do elephants have big ears.mp4
•             📄 180. How do chameleons change color.mp4
•             📄 154. Why do koalas hug trees.mp4
•             📄 156. What causes heart attacks.mp4
•             📄 176. Why is glass transparent.mp4
•             📄 197. Why does ice float.mp4
•             📄 191. What makes ice clear or cloudy.mp4
•             📄 160. Why is yawning contagious.mp4
•             📄 185. Why are airplane windows round.mp4
•             📄 195. Why don't penguins' feet freeze.mp4
•             📄 151. How do dolphins sleep.mp4
•             📄 183. Can jellyfish live forever.mp4
•             📄 188. Can you solve this Riddle.mp4
•             📄 184. Why are some people double jointed.mp4
•             📄 167. Why do people go bald.mp4
•             📄 182. Why do we sleep.mp4
•             📄 158. Why is snow white.mp4
•             📄 186. Why do our fingers get wrinkly.mp4
•             📄 169. Why do pop rocks pop.mp4
•             📄 163. What is asthma.mp4
•             📄 172. What is an allergy.mp4
•             📄 189. What is a mirage.mp4
•             📄 152. Why are honey bees dying.mp4
•             📄 153. Why do we yawn.mp4
•             📄 168. Why do old books smell so good.mp4
•             📄 159. Why does our stomach growl.mp4
•             📄 178. How do glasses work.mp4
•             📄 187. Can pure oxygen kill you.mp4
•             📄 198. Why do we burp.mp4
•             📄 200. How do geckos (lizards) stick to walls.mp4
•             📄 190. Why do people grind their teeth.mp4
•             📄 193. How do migratory birds find their way.mp4
•         📁 201-250
•             📄 202. Is Antibacterial soap bad for you.mp4
•             📄 217. Why does February have 28 days.mp4
•             📄 242. Why does salt make food taste better.mp4
•             📄 211. Why do birds need gravity to swallow food.mp4
•             📄 213. Why is salt added to icy roads.mp4
•             📄 203. How do antacids work.mp4
•             📄 204. Why do we get eye bags.mp4
•             📄 201. How does an owl fly so silently.mp4
•             📄 205. How do pain relievers work.mp4
•             📄 248. Why do Cats have Vertical Pupils.mp4
•             📄 240. Why are some people always cold.mp4
•             📄 243. Are Preservatives Bad for you.mp4
•             📄 244. Why do cats purr.mp4
•             📄 235. What are those 'DO NOT EAT' packets.mp4
•             📄 245. What is Diabetes.mp4
•             📄 241. Is spicy food bad for you.mp4
•             📄 247. What is Migraine.mp4
•             📄 249. Why do my Granny's Legs Pain_ _ What is Arthritis.mp4
•             📄 239. Why do leaves turn yellow.mp4
•             📄 246. Why Smoking makes People look Old.mp4
•             📄 250. Why is Space Black.mp4
•             📄 228. How do X-rays work_ _Why is Space Black.mp4
•             📄 236. How do scars form.mp4
•             📄 208. How does blood clot.mp4
•             📄 220. Do you hear 'Yanny' or 'Laurel'.mp4
•             📄 214. What are tonsil stones.mp4
•             📄 207. Why do we get angry when we are hungry.mp4
•             📄 225. Why do strawberries have seeds on the outside.mp4
•             📄 234. Why are sunsets red.mp4
•             📄 224. Why do heavier objects fall faster.mp4
•             📄 232. Why do we bite our nails.mp4
•             📄 233. Why do we have different time zones.mp4
•             📄 210. Why is dry ice so dangerous.mp4
•             📄 209. Why vultures don't get food poisoning.mp4
•             📄 229. Can animals predict natural disasters.mp4
•             📄 212. How does placebo effect work.mp4
•             📄 237. Why do our muscles get sore.mp4
•             📄 226. How to cut onions Without crying.mp4
•             📄 216. Why do we see only one side of the moon.mp4
•             📄 219. Is Gluten bad for you.mp4
•             📄 227. Why are we addicted to Sugar.mp4
•             📄 215. Why do we breathe through one nostril.mp4
•             📄 231. Why is blood red in color.mp4
•             📄 222. Why do we have different skin colors.mp4
•             📄 223. Why shouldn't we look at the sun.mp4
•             📄 230. Why don't we drink seawater.mp4
•             📄 218. Why do our teeth turn yellow.mp4
•             📄 238. Can animals get a sunburn.mp4
•             📄 221. Why honey doesn't spoil.mp4
•             📄 206. Why do your eyes turn red in the pool_ _ #aumsum.mp4
•         📁 351-389
•             📄 356. Snake vs Mongoose, who wins.mp4
•             📄 369. How was Silk invented.mp4
•             📄 373. How much Water should you Drink per day.mp4
•             📄 362. Why is bird poop white.mp4
•             📄 384. Why are we Afraid of the Dark.mp4
•             📄 351. What do Dogs see when they watch TV.mp4
•             📄 365. What is a Jet Lag.mp4
•             📄 352. Why doesn't it go Dark when we Blink.mp4
•             📄 355. Why can't babies walk at birth.mp4
•             📄 361. Why don't Sharks have Bones.mp4
•             📄 360. Can Dogs recognize their Moms.mp4
•             📄 378. Why are Tears Salty.mp4
•             📄 354. Why don't Birds get Electrocuted on Power Cables.mp4
•             📄 357. Why do we Cry.mp4
•             📄 353. What causes Heartburn.mp4
•             📄 364. Why do we Fart.mp4
•             📄 371. Why do we Dream.mp4
•             📄 380. What if you fell into a Black Hole.mp4
•             📄 387. Why do some people have Dimples.mp4
•             📄 366. Why don't cockroaches die easily.mp4
•             📄 367. Why are Gold and Platinum used to make Jewellery.mp4
•             📄 359. How can Parrots Talk like Humans.mp4
•             📄 358. Why do bubbles pop.mp4
•             📄 363. Why do Bees Die when they Sting us.mp4
•             📄 383. Is Dairy Good or Bad.mp4
•             📄 389. Why do we have 5 fingers.mp4
•             📄 386. Why are some people Lazy.mp4
•             📄 379. Is Coffee good for Health.mp4
•             📄 374. Why do we Blink.mp4
•             📄 376. Why do people Smoke.mp4
•             📄 377. Is Diabetes Hereditary.mp4
•             📄 382. What if everyone went Vegetarian.mp4
•             📄 372. Why is Grass Green.mp4
•             📄 368. Why is Pluto not a Planet anymore.mp4
•             📄 370. How were the Pyramids built.mp4
•             📄 375. Is Running Bad for Knees.mp4
•             📄 388. Is Fasting Good or Bad for you.mp4
•             📄 385. What if the Sun Disappeared.mp4
•             📄 381. Why are there 7 Days in a Week.mp4
•         📁 101-150
•             📄 132. Why does hot air balloon float.mp4
•             📄 125. What causes brain freeze.mp4
•             📄 122. What is frostbite.mp4
•             📄 121. Why does sunlight make you sneeze.mp4
•             📄 128. What is Vocal Fry.mp4
•             📄 126. Why do we get Goosebumps.mp4
•             📄 120. What is color blindness.mp4
•             📄 134. Why can't we tickle ourselves.mp4
•             📄 117. Why do we stretch in the morning.mp4
•             📄 107. How do vaccines work.mp4
•             📄 136. What causes body odor.mp4
•             📄 108. Why does Swiss cheese have holes.mp4
•             📄 119. Why do we have seasons.mp4
•             📄 102. What causes Pneumonia.mp4
•             📄 114. Why do we get car sickness.mp4
•             📄 104. What is the cause of muscle cramps.mp4
•             📄 116. What is Earwax.mp4
•             📄 118. Why do animals eyes glow in the dark.mp4
•             📄 146. Why does airplane food taste bad.mp4
•             📄 124. Why do we shiver.mp4
•             📄 149. How do bees make honey.mp4
•             📄 105. What causes Sinkholes.mp4
•             📄 147. Why can't dogs eat chocolates.mp4
•             📄 133. What happens if a plane is struck by lightning.mp4
•             📄 113. What are eye floaters.mp4
•             📄 129. What is a Tsunami.mp4
•             📄 127. Why is the ocean blue.mp4
•             📄 137. Why does water go stale overnight.mp4
•             📄 150. Why do dogs wag their tails.mp4
•             📄 143. How are pearls formed.mp4
•             📄 141. Why are flamingos pink.mp4
•             📄 131. Why do mosquitoes bite only some people.mp4
•             📄 103. Why do Knuckles pop.mp4
•             📄 148. Why do mosquito bites itch.mp4
•             📄 138. What makes tattoos permanent.mp4
•             📄 115. What is a Cataract.mp4
•             📄 140. Why do we get sunburn.mp4
•             📄 101. Why do paper cuts hurt so much.mp4
•             📄 135. Why is fluoride added to water.mp4
•             📄 130. How can we smell things.mp4
•             📄 145. Why does our recorded voice sound different.mp4
•             📄 139. Where does the fat go when you lose weight.mp4
•             📄 112. What are eye boogers.mp4
•             📄 142. How do fireflies glow.mp4
•             📄 110. Why do limbs fall asleep.mp4
•             📄 106. Why do we get Nosebleeds.mp4
•             📄 109. What causes chapped lips.mp4
•             📄 144. Why can we see our breath in the cold.mp4
•             📄 123. What is fracking.mp4
•             📄 111. Why do we get bad breath.mp4
•         📁 251-300
•             📄 292. Why do some people Sweat more than others.mp4
•             📄 269. Are Dolphins Smart.mp4
•             📄 261. What is Constipation.mp4
•             📄 271. Is it Bad to Hold our Urine.mp4
•             📄 275. How do Animals Hibernate.mp4
•             📄 265. Why is it hard to Cure HIV _ AIDS.mp4
•             📄 260. Why is it hard to Cure Cancer.mp4
•             📄 273. How do we know that our Stomach is Full.mp4
•             📄 270. Why do Elephants Never Forget.mp4
•             📄 254. Why do Snakes shed their Skin.mp4
•             📄 268. How does Anesthesia work.mp4
•             📄 288. How Tattoo Removal works.mp4
•             📄 272. Do Animals live Longer than Humans.mp4
•             📄 282. What happens to Our Body after we Die.mp4
•             📄 280. How are Smartphones Changing us.mp4
•             📄 256. Are Einstein's Gravitational Waves real.mp4
•             📄 262. Why is it hard to cure Alzheimer's disease.mp4
•             📄 279. Has the Bermuda Triangle mystery been Solved.mp4
•             📄 289. Is sleeping in Contact Lenses bad.mp4
•             📄 251. Science of Snowflakes.mp4
•             📄 259. Why are Fish eating Plastic.mp4
•             📄 267. Can we Travel Faster than Light.mp4
•             📄 252. Why do Dead Whales Explode.mp4
•             📄 263. Is Sitting Bad for you.mp4
•             📄 285. What is Blood Rain.mp4
•             📄 253. How does the Moon cause Tides.mp4
•             📄 255. Why do Snakes have Forked (Split) Tongue.mp4
•             📄 291. Which is the best Sleeping Position.mp4
•             📄 295. Why do Ants walk in a Straight Line.mp4
•             📄 294. Can you 'Hear Colors' or 'See Sounds'.mp4
•             📄 257. Why is Ocean water Salty.mp4
•             📄 293. Is Radiation Harmful.mp4
•             📄 297. Why are some people Left Handed.mp4
•             📄 284. Why are Giraffes so Tall.mp4
•             📄 281. What is Depression.mp4
•             📄 258. Are you Afraid of Heights.mp4
•             📄 300. Why do we Scratch our Itch.mp4
•             📄 276. What is a Hangover.mp4
•             📄 299. How Tall can we Grow.mp4
•             📄 298. Why does my Dog Stink when it is Wet.mp4
•             📄 278. Why do humans Love Music.mp4
•             📄 286. Why do we feel Butterflies in our Stomach.mp4
•             📄 264. What is the Big Bang Theory.mp4
•             📄 274. Why do we Love Chocolates.mp4
•             📄 277. What is a Black Hole.mp4
•             📄 283. Is Sugar bad for you.mp4
•             📄 287. Why is there a Hole in the Ozone Layer.mp4
•             📄 266. How do Stars form.mp4
•             📄 296. How to Stop a Sneeze.mp4
•             📄 290. Are Wisdom Teeth still Useful.mp4
•         📁 051-100
•             📄 093. Archimedes Principle - Why do ships float.mp4
•             📄 095. Why do we get white hair.mp4
•             📄 082. Mitosis - Why does a lizard's tail grow back.mp4
•             📄 056. Specific Heat of Water - Why is water used in hot water bags.mp4
•             📄 097. Why does your tongue stick to a frozen pole.mp4
•             📄 084. Why does soda fizz when you shake it.mp4
•             📄 070. Rancidity - Why is a bag of chips half full.mp4
•             📄 089. Human Tears - Why do onions make you cry.mp4
•             📄 094. Why do we blush.mp4
•             📄 099. Why does rain smell.mp4
•             📄 065. Why does a turmeric stain turn red.mp4
•             📄 081. Why don't we get crushed by atmospheric pressure.mp4
•             📄 083. Thermal Expansion - Why are gaps left between railway tracks.mp4
•             📄 088. How does a bone heal.mp4
•             📄 075. How does a plastic comb attract paper.mp4
•             📄 091. Caffeine - How does coffee keep you awake.mp4
•             📄 055. Oxidation - Why do papers turn yellow.mp4
•             📄 090. Is distilled water safe to drink.mp4
•             📄 100. What causes cavities.mp4
•             📄 092. How do straws work.mp4
•             📄 085. Why don't we fall into the center of the earth.mp4
•             📄 098. What causes earthquakes.mp4
•             📄 080. Why do you fall backwards when a bus starts suddenly.mp4
•             📄 096. What causes kidney stones.mp4
•             📄 061. Respiration - Why is it not good to sleep under a tree at night.mp4
•             📄 086. How is the principle of centrifugation helpful in blood banks.mp4
•             📄 087. Forced Vibrations - Why does a guitar have a hollow box.mp4
•             📄 062. Why do we use a black umbrella in summer.mp4
•             📄 063. Why do we see lightning before thunder.mp4
•             📄 054. Why is soap ineffective in hard water.mp4
•             📄 074. Neutralization Reaction - How to treat a bee sting.mp4
•             📄 052. Archimedes Principle - Why do we weigh less in water.mp4
•             📄 051. Newton's 3rd Law - Why does a swimmer push the water backward.mp4
•             📄 079. Why is soil pH important to farmers.mp4
•             📄 078. Why can't we hear sound in space.mp4
•             📄 057. Turgor Pressure - Why does a Touch Me Not plant close.mp4
•             📄 067. Osmosis - Why is grass killed if salt is sprinkled on it.mp4
•             📄 069. Concave Mirror - Why is your reflection upside down on a spoon.mp4
•             📄 072. Why do we hear echoes.mp4
•             📄 068. Why do we have two eyes instead of one.mp4
•             📄 077. Density - Why does oil float on water.mp4
•             📄 064. Why is the upper surface of a leaf more green and shiny.mp4
•             📄 066. Buoyancy - Can you drown in the dead sea.mp4
•             📄 071. How do ears help with balancing.mp4
•             📄 073. Why is nuclear fusion not used to generate electricity.mp4
•             📄 059. Why is curd not stored in copper containers.mp4
•             📄 058. Why is a laboratory thermometer not used to check body temperature.mp4
•             📄 053. Oxidation - Why do copper vessels turn green.mp4
•             📄 060. Why are cloudy nights warmer than clear nights.mp4
•             📄 076. Tyndall Effect - Why does the sky appear blue.mp4
•     📁 08 - Learn Science with AumSum 学习科学【486集 英文字幕】
•         📁 051-100
•             📄 066. Can Cockroaches live without their Heads.mp4
•             📄 065. Shadow, Rust, Pollination, Magnetic Compass, Neutralization and much more!! .mp4
•             📄 092. Why do some people Sweat more than others.mp4
•             📄 061. How much Percent of our Brain do we use.mp4
•             📄 085. What is Blood Rain.mp4
•             📄 072. Why does a Flame always Point Upward.mp4
•             📄 053. How were French Fries Invented.mp4
•             📄 071. Is Mars really Red.mp4
•             📄 081. Can Bananas cause Radiation Poisoning.mp4
•             📄 067. Why are Rainclouds Dark.mp4
•             📄 080. Can Trees Talk.mp4
•             📄 069. Why does Water Dance on a Hot Pan.mp4
•             📄 052. Why are Tennis balls Yellow and Fuzzy.mp4
•             📄 090. Are Wisdom Teeth still Useful.mp4
•             📄 060. What is Special about a Giraffes Heart.mp4
•             📄 055. Where is the Biggest Garbage Dump on Earth.mp4
•             📄 086. Why do we feel Butterflies in our Stomach.mp4
•             📄 079. Is Eiffel Tower Taller in Summer.mp4
•             📄 075. Can we Taste Food without Saliva.mp4
•             📄 064. Pythagoras Theorem, Fractions, Ratio, Proportion and much more!! .mp4
•             📄 054. The Carbon Cycle .mp4
•             📄 058. Which Came First - Chicken or Egg.mp4
•             📄 051. Why do we Love Junk Food.mp4
•             📄 062. Why are Manhole Covers Round.mp4
•             📄 059. Why are Pizza Boxes Square.mp4
•             📄 056. How do some Insects Walk on Water.mp4
•             📄 057. How do Miracle Fruits work.mp4
•             📄 087. Why is there a Hole in the Ozone Layer.mp4
•             📄 063. What exactly killed the Dinosaurs.mp4
•             📄 068. Can Dogs detect Cancer.mp4
•             📄 070. Why are Eggs Egg-shaped.mp4
•             📄 097. How to Stop a Sneeze.mp4
•             📄 094. Can you 'Hear Colors' or 'See Sounds'.mp4
•             📄 096. Why are Giraffes so Tall.mp4
•             📄 089. Is sleeping in Contact Lenses bad.mp4
•             📄 084. Do Animals Dream.mp4
•             📄 091. Which is the best Sleeping Position.mp4
•             📄 088. How Tattoo Removal works.mp4
•             📄 076. Does Octopus have Nine Brains.mp4
•             📄 099. Why does my Dog Stink when it is Wet.mp4
•             📄 095. Why do Ants walk in a Straight Line.mp4
•             📄 100. How Tall can we Grow.mp4
•             📄 083. How does a Spider make its web.mp4
•             📄 074. Can we Burp in Space.mp4
•             📄 093. Is Radiation Harmful.mp4
•             📄 078. Do Grasshoppers Hear through their Belly.mp4
•             📄 082. How do Horses Sleep.mp4
•             📄 098. Why are some people Left Handed.mp4
•             📄 073. Do Bees Dance.mp4
•             📄 077. Does it Rain Diamonds on Jupiter and Saturn.mp4
•         📁 301-350
•             📄 301. Is distilled water safe to drink.mp4
•             📄 302. Human Tears - Why do onions make you cry.mp4
•             📄 337. Why do wet clothes feel cold.mp4
•             📄 340. Why is oxalic acid used to remove rust stains.mp4
•             📄 332. Why are two thin blankets warmer than one thick blanket.mp4
•             📄 304. Forced Vibrations - Why does a guitar have a hollow box.mp4
•             📄 347. Why is ultrasound used in sonar.mp4
•             📄 329. Why do comets have tails.mp4
•             📄 345. Why do water lilies have stomata on the upper side of their leaves.mp4
•             📄 346. Refraction of Light - Why does a pencil look bent in water.mp4
•             📄 335. Transpiration - Why do cacti have spines.mp4
•             📄 309. Red Eye Effect - Why do my eyes glow red in photos.mp4
•             📄 325. Convex Lens - Can a magnifying glass burn paper.mp4
•             📄 343. Diffusion - Why can we smell hot food from a distance.mp4
•             📄 331. Why do we get hiccups.mp4
•             📄 326. Gravity - Why are planets spherical.mp4
•             📄 334. Nervous System - Why don't we feel pain when we cut our hair.mp4
•             📄 336. Why should we not overwater potted plants.mp4
•             📄 350. Why is it difficult to cut with a blunt knife.mp4
•             📄 318. Why are auroras formed.mp4
•             📄 333. Wavelength - Why red is used as a danger signal.mp4
•             📄 303. How does a bone heal.mp4
•             📄 338. Why does a match light when you strike it.mp4
•             📄 349. Density - Why do firemen crawl in smoke filled rooms.mp4
•             📄 339. Why does sound travel faster in summer than in winter.mp4
•             📄 341. Earthing - Why do buildings have lightning rods.mp4
•             📄 322. Water Purification - Why is alum added to water.mp4
•             📄 315. Why do dogs pant.mp4
•             📄 313. Lunar Eclipse - Why does the moon turn red.mp4
•             📄 307. Why does spicy food make your nose run.mp4
•             📄 316. Why do we get pimples.mp4
•             📄 328. Lateral Inversion - Why is ambulance written in reverse.mp4
•             📄 306. Why is it easier to burn dry leaves but not green leaves.mp4
•             📄 327. Osmosis - How do fish drink water.mp4
•             📄 320. Why is a diver able to cut through water in a swimming pool.mp4
•             📄 312. Why do we snore.mp4
•             📄 305. Why do we sweat.mp4
•             📄 342. Density - Why does an iron nail float on mercury and sink in water.mp4
•             📄 348. Sublimation - Why do mothballs disappear over time.mp4
•             📄 330. Why does steam cause more severe burns than boiling water.mp4
•             📄 321. Resonance - How does sound break glass.mp4
•             📄 317. Pathogens - Why do we get fever.mp4
•             📄 314. Taste Buds - Why mint tastes cold.mp4
•             📄 323. Surface Tension - Why are drops spherical.mp4
•             📄 324. Atmospheric Refraction - Why do stars twinkle.mp4
•             📄 310. Myopia - What causes nearsightedness.mp4
•             📄 344. Frequency - Why do women have shriller voices than men.mp4
•             📄 319. Friction - Why is it difficult to pull a boat on the beach than on the sea.mp4
•             📄 308. Why does popcorn pop.mp4
•             📄 311. Why do we get freckles.mp4
•         📁 401-450
•             📄 427. What if we Swallow Chewing Gum.mp4
•             📄 406. Why are some people Allergic.mp4
•             📄 413. Why do we have Moles.mp4
•             📄 412. What if the Earth was Cube Shaped.mp4
•             📄 411. What if the Earth had 2 Moons.mp4
•             📄 430. What is Insomnia.mp4
•             📄 428. Why is it hard to cure Common Cold.mp4
•             📄 424. Why do we have Split Ends.mp4
•             📄 434. Why doesn't Earth have Rings like Saturn.mp4
•             📄 426. Can Sneezing Pop your Eyes Out.mp4
•             📄 403. Why do some people Stutter.mp4
•             📄 432. What if we Only eat Fruits.mp4
•             📄 405. What does Soda do to your body.mp4
•             📄 421. What is a Hailstorm.mp4
•             📄 419. Is Running on Treadmills Bad.mp4
•             📄 416. Why do Men have Adam's Apple.mp4
•             📄 425. What if Dinosaurs Never went Extinct.mp4
•             📄 401. Why do we get Nightmares.mp4
•             📄 422. What if a Massive Solar Flare hits Earth.mp4
•             📄 414. What if all the Bees Die.mp4
•             📄 439. What is Blood Pressure.mp4
•             📄 402. Why do we Sleepwalk.mp4
•             📄 433. Why is landing on Mars so difficult.mp4
•             📄 407. What if there was No Gravity on Earth.mp4
•             📄 431. Why is it difficult to lose Belly Fat.mp4
•             📄 417. Why do we have Eyebrows.mp4
•             📄 404. What if we Stopped Sleeping.mp4
•             📄 446. Is Fermented Food good for us.mp4
•             📄 418. How and why do we Cough.mp4
•             📄 447. What are Stomach Ulcers.mp4
•             📄 435. What if we planted a Trillion Trees.mp4
•             📄 410. Can Blind people Dream.mp4
•             📄 438. What if we Stopped eating Sugar.mp4
•             📄 415. Why do we have Birthmarks.mp4
•             📄 437. Why do we get an Eye Stye.mp4
•             📄 409. Why does our Heart beat Faster when in Danger.mp4
•             📄 408. What if Earth Stopped Spinning.mp4
•             📄 420. Why does our Nose Run.mp4
•             📄 436. What is the Science behind Acupressure.mp4
•             📄 443. Is it Safe to eat Moldy Bread.mp4
•             📄 440. Why can't we Smell or Taste with a Cold.mp4
•             📄 450. Is eating too much Protein Bad.mp4
•             📄 449. Why do Blood Types matter.mp4
•             📄 448. How does a Fan give us Cool Air.mp4
•             📄 441. Can gargling Saltwater cure Sore Throat.mp4
•             📄 442. What if we Stopped Showering for a Year.mp4
•             📄 444. What causes Diarrhea.mp4
•             📄 423. Why do we get Canker Sores (ulcers).mp4
•             📄 445. What if we accidentally Eat Plastic.mp4
•             📄 429. What if we Burn all the Fossil Fuels.mp4
•         📁 101-150
•             📄 146. Why are some people always cold.mp4
•             📄 104. Is Sugar bad for you.mp4
•             📄 132. Why do Snakes shed their Skin.mp4
•             📄 103. What is Depression.mp4
•             📄 144. Why does salt make food taste better.mp4
•             📄 128. Are you Afraid of Heights_ _ Vertigo .mp4
•             📄 122. Why do humans Love Music.mp4
•             📄 143. Are Preservatives Bad for you.mp4
•             📄 135. Science of Snowflakes .mp4
•             📄 127. Why are Fish eating Plastic.mp4
•             📄 113. How do we know that our Stomach is Full.mp4
•             📄 102. How do Microwave Ovens work.mp4
•             📄 110. Is it Bad to Hold our Urine.mp4
•             📄 131. Why do Snakes have Forked (Split) Tongue.mp4
•             📄 124. What is Constipation.mp4
•             📄 136. Why is Space Black.mp4
•             📄 116. Why is it hard to Cure HIV _ AIDS.mp4
•             📄 105. What happens to Our Body after we Die.mp4
•             📄 141. What is Diabetes.mp4
•             📄 148. Can animals get a sunburn.mp4
•             📄 118. What is a Hangover.mp4
•             📄 101. Why do we Scratch our Itch.mp4
•             📄 130. Are Einstein's Gravitational Waves real.mp4
•             📄 123. Why is it hard to cure Alzheimer's disease.mp4
•             📄 149. Why do our muscles get sore.mp4
•             📄 140. Why Smoking makes People look Old.mp4
•             📄 109. How does Anesthesia work.mp4
•             📄 106. How are Smartphones Changing us.mp4
•             📄 119. What is the Big Bang Theory.mp4
•             📄 134. Why do Dead Whales Explode.mp4
•             📄 125. Has the Bermuda Triangle mystery been Solved.mp4
•             📄 107. Are Dolphins Smart.mp4
•             📄 137. Why do my Granny's Legs Pain_ _ What is Arthritis.mp4
•             📄 111. Do Animals live Longer than Humans.mp4
•             📄 139. What is Migraine.mp4
•             📄 112. Can we Travel Faster than Light.mp4
•             📄 114. How do Stars form.mp4
•             📄 121. What is a Black Hole.mp4
•             📄 108. Why do Elephants Never Forget.mp4
•             📄 120. Is Sitting Bad for you.mp4
•             📄 147. Why do leaves turn yellow.mp4
•             📄 142. Why do cats purr.mp4
•             📄 150. How do scars form.mp4
•             📄 138. Why do Cats have Vertical Pupils.mp4
•             📄 145. Is spicy food bad for you.mp4
•             📄 117. How do Animals Hibernate.mp4
•             📄 115. Why do we Love Chocolates.mp4
•             📄 126. Why is it hard to Cure Cancer.mp4
•             📄 133. How does the Moon cause Tides.mp4
•             📄 129. Why is Ocean water Salty.mp4
•         📁 201-250
•             📄 245. Why does helium make you sound funny.mp4
•             📄 202. Why are some people double jointed.mp4
•             📄 242. Why can't dogs eat chocolates.mp4
•             📄 206. What causes dark circles.mp4
•             📄 207. How do chameleons change color.mp4
•             📄 240. How do bees make honey.mp4
•             📄 236. Why do we yawn.mp4
•             📄 235. Why do koalas hug trees.mp4
•             📄 201. Why are airplane windows round.mp4
•             📄 247. How are pearls formed.mp4
•             📄 233. What causes heart attacks.mp4
•             📄 205. Why do we sleep.mp4
•             📄 243. Why does airplane food taste bad.mp4
•             📄 237. Why are honey bees dying.mp4
•             📄 248. How do fireflies glow.mp4
•             📄 246. Why can we see our breath in the cold.mp4
•             📄 239. Why do dogs wag their tails.mp4
•             📄 241. Why do mosquito bites itch.mp4
•             📄 231. Why is snow white.mp4
•             📄 216. What is a stroke.mp4
•             📄 230. Why does our stomach growl.mp4
•             📄 220. Why do pop rocks pop.mp4
•             📄 226. What is asthma.mp4
•             📄 218. Why don't spiders stick to their webs.mp4
•             📄 211. Why is glass transparent.mp4
•             📄 232. Why can't you use phones on planes.mp4
•             📄 215. What is an allergy.mp4
•             📄 250. Why do we get sunburn.mp4
•             📄 234. Why do we faint.mp4
•             📄 222. Why do people go bald.mp4
•             📄 225. Why does Saturn have rings.mp4
•             📄 209. How do glasses work.mp4
•             📄 224. Why do bees build hexagonal honeycombs.mp4
•             📄 219. Why do elephants have big ears.mp4
•             📄 228. Why do dogs lick their wounds.mp4
•             📄 223. What is Déjà Vu.mp4
•             📄 204. Can jellyfish live forever.mp4
•             📄 227. What is sleep paralysis.mp4
•             📄 212. Why do babies get jaundice.mp4
•             📄 217. What is a tardigrade.mp4
•             📄 244. Why does our recorded voice sound different.mp4
•             📄 208. Why did pirates wear eye patches.mp4
•             📄 238. How do dolphins sleep.mp4
•             📄 229. Why is yawning contagious.mp4
•             📄 249. Why are flamingos pink.mp4
•             📄 210. How do nails grow.mp4
•             📄 221. Why do old books smell so good.mp4
•             📄 214. How do igloos keep you warm.mp4
•             📄 213. What causes wrinkles.mp4
•             📄 203. How do antiperspirants work.mp4
•         📁 451-486
•             📄 465. Why do we get Dehydrated.mp4
•             📄 459. How does Stress affect our Brain.mp4
•             📄 464. Hot Shower vs Cold Shower, which is better.mp4
•             📄 451. What is BMI_ (Body Mass Index) .mp4
•             📄 475. What is Irritable Bowel Syndrome.mp4
•             📄 455. Are Earphones harmful.mp4
•             📄 460. Are Frozen foods Safe to eat.mp4
•             📄 458. What if Glasses were Never Invented.mp4
•             📄 467. What is Dwarfism.mp4
•             📄 457. Is Overcooked food Good for us.mp4
•             📄 454. Are Canned foods Safe.mp4
•             📄 461. What is Sinusitis.mp4
•             📄 483. Why do we Shrink With Age.mp4
•             📄 453. Is Expired Food Safe to eat.mp4
•             📄 456. What is Sleep Apnea.mp4
•             📄 452. Is too much Salt Bad for us.mp4
•             📄 470. Why do some People get Varicose Veins.mp4
•             📄 472. Why are Vitamins Important.mp4
•             📄 478. Why do we Blink when we hear Loud Sounds.mp4
•             📄 480. Why do we Forget things as we get Old.mp4
•             📄 473. Why is Equator Hot but Poles are Cold.mp4
•             📄 477. Why do we Swing our Arms while Walking.mp4
•             📄 482. Why do we sometimes Talk in our Sleep_ _ Sleep Talking .mp4
•             📄 484. How do we get Lyme Disease.mp4
•             📄 485. Why do we Drool in our Sleep.mp4
•             📄 462. How do Hormones work.mp4
•             📄 476. Why are some People Lactose Intolerant.mp4
•             📄 486. How does Thyroid affect our Weight.mp4
•             📄 469. How do Carbohydrates impact our Health.mp4
•             📄 466. Why do People get Ringworm.mp4
•             📄 479. Why is Fiber Important for us.mp4
•             📄 481. Where does all my Snot come from.mp4
•             📄 463. What is Gigantism.mp4
•             📄 474. Why are White Blood Cells Important for us.mp4
•             📄 468. What causes Swelling.mp4
•             📄 471. Is too much Fiber Bad for us.mp4
•         📁 151-200
•             📄 199. Can pure oxygen kill you.mp4
•             📄 153. Why do we have different time zones.mp4
•             📄 195. What makes ice clear or cloudy.mp4
•             📄 156. Why don't we drink seawater.mp4
•             📄 196. Why do people grind their teeth.mp4
•             📄 154. Why do we bite our nails.mp4
•             📄 178. How does blood clot.mp4
•             📄 158. How do X-rays work_ _Why is Space Black.mp4
•             📄 157. Can animals predict natural disasters.mp4
•             📄 164. Why do we have different skin colors.mp4
•             📄 155. Why is blood red in color.mp4
•             📄 163. Why shouldn't we look at the sun.mp4
•             📄 161. Why do strawberries have seeds on the outside.mp4
•             📄 160. How to cut onions Without crying.mp4
•             📄 162. Why do heavier objects fall faster.mp4
•             📄 151. What are those 'DO NOT EAT' packets.mp4
•             📄 159. Why are we addicted to Sugar.mp4
•             📄 165. Why honey doesn't spoil.mp4
•             📄 152. Why are sunsets red.mp4
•             📄 188. Why do we burp.mp4
•             📄 182. Why do we get eye bags.mp4
•             📄 168. Why do our teeth turn yellow.mp4
•             📄 193. How do migratory birds find their way.mp4
•             📄 191. Why don't penguins' feet freeze.mp4
•             📄 167. Is Gluten bad for you.mp4
•             📄 174. How does placebo effect work.mp4
•             📄 169. Why does February have 28 days.mp4
•             📄 172. What are tonsil stones.mp4
•             📄 184. Is Antibacterial soap bad for you.mp4
•             📄 185. How does an owl fly so silently.mp4
•             📄 175. Why do birds need gravity to swallow food.mp4
•             📄 197. What is a mirage.mp4
•             📄 194. What if we stopped drinking water.mp4
•             📄 183. How do antacids work.mp4
•             📄 200. Why do our fingers get wrinkly.mp4
•             📄 173. Why is salt added to icy roads.mp4
•             📄 198. Can you solve this Riddle.mp4
•             📄 192. How is coffee decaffeinated.mp4
•             📄 180. Why do your eyes turn red in the pool_ _ #aumsum.mp4
•             📄 171. Why do we breathe through one nostril.mp4
•             📄 176. Why is dry ice so dangerous.mp4
•             📄 179. Why do we get angry when we are hungry.mp4
•             📄 190. How do fish breathe underwater.mp4
•             📄 186. How do geckos (lizards) stick to walls.mp4
•             📄 181. How do pain relievers work.mp4
•             📄 177. Why vultures don't get food poisoning.mp4
•             📄 189. Why does ice float.mp4
•             📄 166. Do you hear 'Yanny' or 'Laurel'.mp4
•             📄 170. Why do we see only one side of the moon.mp4
•             📄 187. Why is whale vomit so valuable.mp4
•         📁 251-300
•             📄 252. What makes tattoos permanent.mp4
•             📄 299. How do straws work.mp4
•             📄 298. Archimedes Principle - Why do ships float.mp4
•             📄 296. Why do we get white hair.mp4
•             📄 297. Why do we blush.mp4
•             📄 295. What causes kidney stones.mp4
•             📄 262. What is Vocal Fry.mp4
•             📄 294. Why does your tongue stick to a frozen pole.mp4
•             📄 300. Caffeine - How does coffee keep you awake.mp4
•             📄 269. Why does sunlight make you sneeze.mp4
•             📄 276. Why do we get car sickness.mp4
•             📄 277. What are eye floaters.mp4
•             📄 265. What causes brain freeze.mp4
•             📄 263. Why is the ocean blue.mp4
•             📄 278. What are eye boogers.mp4
•             📄 273. Why do we stretch in the morning.mp4
•             📄 272. Why do animals eyes glow in the dark.mp4
•             📄 283. How do vaccines work.mp4
•             📄 257. What happens if a plane is struck by lightning.mp4
•             📄 251. Where does the fat go when you lose weight.mp4
•             📄 255. Why is fluoride added to water.mp4
•             📄 274. What is Earwax.mp4
•             📄 261. What is a Tsunami.mp4
•             📄 256. Why can't we tickle ourselves.mp4
•             📄 279. Why do we get bad breath.mp4
•             📄 254. What causes body odor.mp4
•             📄 266. Why do we shiver.mp4
•             📄 260. How can we smell things.mp4
•             📄 288. Why do we get dandruff.mp4
•             📄 284. Why do we get Nosebleeds.mp4
•             📄 291. What causes cavities.mp4
•             📄 285. What causes Sinkholes.mp4
•             📄 290. Why do paper cuts hurt so much.mp4
•             📄 270. What is color blindness.mp4
•             📄 281. What causes chapped lips.mp4
•             📄 267. What is fracking.mp4
•             📄 253. Why does water go stale overnight.mp4
•             📄 268. What is frostbite.mp4
•             📄 289. What causes Pneumonia.mp4
•             📄 293. What causes earthquakes.mp4
•             📄 280. Why do limbs fall asleep.mp4
•             📄 287. Why do Knuckles pop.mp4
•             📄 264. Why do we get Goosebumps.mp4
•             📄 258. Why does hot air balloon float.mp4
•             📄 282. Why does Swiss cheese have holes.mp4
•             📄 292. Why does rain smell.mp4
•             📄 259. Why do mosquitoes bite only some people.mp4
•             📄 271. Why do we have seasons.mp4
•             📄 275. What is a Cataract.mp4
•             📄 286. What is the cause of muscle cramps.mp4
•         📁 001-050
•             📄 045. Whose Poop is Cube shaped.mp4
•             📄 017. Why do we Blink.mp4
•             📄 030. Why don't Sharks have Bones.mp4
•             📄 020. How were the Pyramids built.mp4
•             📄 023. Why is Pluto not a Planet anymore.mp4
•             📄 042. Why does Sugar Hurt our Teeth.mp4
•             📄 029. Why is bird poop white.mp4
•             📄 003. Why do some people have Dimples.mp4
•             📄 038. What causes Heartburn.mp4
•             📄 048. Why do Flamingos stand on one leg.mp4
•             📄 019. Why is Grass Green.mp4
•             📄 033. Why do bubbles pop.mp4
•             📄 016. Is Running Bad for Knees.mp4
•             📄 039. Why doesn't it go Dark when we Blink.mp4
•             📄 043. Why are Flies so Hard to Swat.mp4
•             📄 041. What do Dogs see when they watch TV.mp4
•             📄 013. Why are Prime Numbers so Weird.mp4
•             📄 047. Why do Birds fly in V Shape.mp4
•             📄 037. Why don't Birds get Electrocuted on Power Cables.mp4
•             📄 050. What is the Color of a Mirror.mp4
•             📄 049. The Human Heart .mp4
•             📄 031. Can Dogs recognize their Moms.mp4
•             📄 044. Why is Hot water Harmful for Fish.mp4
•             📄 035. Snake vs Mongoose, who wins.mp4
•             📄 032. How can Parrots Talk like Humans.mp4
•             📄 040. Do Plants get Cancer.mp4
•             📄 028. Why do Bees Die when they Sting us.mp4
•             📄 034. Why do we Cry.mp4
•             📄 005. What if the Sun Disappeared.mp4
•             📄 046. How do Airbags work.mp4
•             📄 036. Why can't babies walk at birth.mp4
•             📄 021. Why do we Dream.mp4
•             📄 012. Why are Tears Salty.mp4
•             📄 018. How much Water should you Drink per day.mp4
•             📄 027. Why do we Fart.mp4
•             📄 009. Why are there 7 Days in a Week.mp4
•             📄 001. Why do we have 5 fingers.mp4
•             📄 025. Why don't cockroaches die easily.mp4
•             📄 010. What if you fell into a Black Hole.mp4
•             📄 011. Is Coffee good for Health.mp4
•             📄 002. Is Fasting Good or Bad for you.mp4
•             📄 008. What if everyone went Vegetarian.mp4
•             📄 006. Why are we Afraid of the Dark.mp4
•             📄 007. Is Dairy Good or Bad.mp4
•             📄 024. Why are Gold and Platinum used to make Jewellery.mp4
•             📄 015. Why do people Smoke.mp4
•             📄 004. Why are some people Lazy.mp4
•             📄 026. What is a Jet Lag.mp4
•             📄 014. Is Diabetes Hereditary.mp4
•             📄 022. How was Silk invented.mp4
•         📁 351-400
•             📄 396. Why do we have different Eye colors.mp4
•             📄 360. Specific Heat of Water - Why is water used in hot water bags.mp4
•             📄 383. Why don't we get crushed by atmospheric pressure.mp4
•             📄 400. Why do we get Headaches.mp4
•             📄 390. Tyndall Effect - Why does the sky appear blue.mp4
•             📄 377. Why is nuclear fusion not used to generate electricity.mp4
•             📄 355. Newton's 3rd Law - Why does a swimmer push the water backward.mp4
•             📄 372. Why do we have two eyes instead of one.mp4
•             📄 367. Why do we see lightning before thunder.mp4
•             📄 371. Osmosis - Why is grass killed if salt is sprinkled on it.mp4
•             📄 369. Why does a turmeric stain turn red.mp4
•             📄 366. Why do we use a black umbrella in summer.mp4
•             📄 362. Why is a laboratory thermometer not used to check body temperature.mp4
•             📄 363. Why is curd not stored in copper containers.mp4
•             📄 365. Respiration - Why is it not good to sleep under a tree at night.mp4
•             📄 373. Concave Mirror - Why is your reflection upside down on a spoon.mp4
•             📄 368. Why is the upper surface of a leaf more green and shiny.mp4
•             📄 370. Buoyancy - Can you drown in the dead sea.mp4
•             📄 382. Why do you fall backwards when a bus starts suddenly.mp4
•             📄 384. Mitosis - Why does a lizard's tail grow back.mp4
•             📄 397. What if Wheels were Never Invented.mp4
•             📄 378. Neutralization Reaction - How to treat a bee sting.mp4
•             📄 375. How do ears help with balancing.mp4
•             📄 374. Rancidity - Why is a bag of chips half full.mp4
•             📄 389. Density - Why does oil float on water.mp4
•             📄 352. Why do stars seem higher than they actually are.mp4
•             📄 393. What happens to our Body when we get Angry.mp4
•             📄 388. How is the principle of centrifugation helpful in blood banks.mp4
•             📄 358. Oxidation - Why do copper vessels turn green.mp4
•             📄 392. Why do some people have a Fear of Flying.mp4
•             📄 399. How can some people Predict Rain.mp4
•             📄 359. Oxidation - Why do papers turn yellow.mp4
•             📄 387. Why don't we fall into the center of the earth.mp4
•             📄 394. Should we drink Fruit Juices.mp4
•             📄 351. Gravitational Force - Why do you weigh less on the moon.mp4
•             📄 391. What if earth lost Oxygen for 5 seconds.mp4
•             📄 354. Why is a convex mirror used as a rear view mirror.mp4
•             📄 356. Archimedes Principle - Why do we weigh less in water.mp4
•             📄 364. Why are cloudy nights warmer than clear nights.mp4
•             📄 353. Why do woolen clothes keep us warm.mp4
•             📄 398. Do Smartphones make our Eyes Worse.mp4
•             📄 379. How does a plastic comb attract paper.mp4
•             📄 381. Why is soil pH important to farmers.mp4
•             📄 357. Why is soap ineffective in hard water.mp4
•             📄 385. Thermal Expansion - Why are gaps left between railway tracks.mp4
•             📄 395. How are Rainbows formed.mp4
•             📄 376. Why do we hear echoes.mp4
•             📄 361. Turgor Pressure - Why does a Touch Me Not plant close.mp4
•             📄 386. Why does soda fizz when you shake it.mp4
•             📄 380. Why can't we hear sound in space.mp4
•     📁 07 - Primary Science Videos 初级科学视频【20集 英文字幕】
•         📁 001-020
•             📄 05. Living and Nonliving Things for Kids .mp4
•             📄 03. Balanced Diet .mp4
•             📄 04. Planets of the Solar System _ Videos for Kids .mp4
•             📄 16. How do Birds Fly for Children .mp4
•             📄 15. Parts of the Body for Kids .mp4
•             📄 17. Modes of Transportation _ Videos for Kids .mp4
•             📄 01. Parts of a Plant _ Videos for Kids .mp4
•             📄 18. Phases of Moon .mp4
•             📄 20. Tooth Structure for Kids .mp4
•             📄 13. Physical and Chemical Changes for Kids .mp4
•             📄 02. Layers of the Earth for Kids .mp4
•             📄 14. Light _ Videos for Kids .mp4
•             📄 09. Layers of Soil for Kids .mp4
•             📄 12. States of Matter for Kids .mp4
•             📄 06. Air Pollution for Kids .mp4
•             📄 11. The 3 R's for Kids .mp4
•             📄 07. Water Pollution for Kids .mp4
•             📄 08. Seasons on Earth _ Videos for Kids .mp4
•             📄 19. Human Sense Organs _ Videos for Kids .mp4
•             📄 10. 3 Types of Rocks .mp4
•     📁 06 - Biology Videos 生物学视频【333集 英文字幕】
•         📁 151-200
•             📄 154. Why are some people double jointed.mp4
•             📄 195. Why do we get Goosebumps.mp4
•             📄 200. What is color blindness.mp4
•             📄 199. Why does sunlight make you sneeze.mp4
•             📄 192. Why do mosquitoes bite only some people.mp4
•             📄 191. Why can't we tickle ourselves.mp4
•             📄 196. What causes brain freeze.mp4
•             📄 151. Can you solve this Riddle.mp4
•             📄 193. How can we smell things.mp4
•             📄 197. Why do we shiver.mp4
•             📄 184. Why does airplane food taste bad.mp4
•             📄 198. What is frostbite.mp4
•             📄 155. How do antiperspirants work.mp4
•             📄 156. Can jellyfish live forever.mp4
•             📄 194. What is Vocal Fry.mp4
•             📄 152. Can pure oxygen kill you.mp4
•             📄 164. What is a tardigrade.mp4
•             📄 175. Why do we faint.mp4
•             📄 166. Why do elephants have big ears.mp4
•             📄 159. How do nails grow.mp4
•             📄 158. What causes dark circles.mp4
•             📄 153. Why do our fingers get wrinkly.mp4
•             📄 162. What is an allergy.mp4
•             📄 157. Why do we sleep.mp4
•             📄 163. What is a stroke.mp4
•             📄 165. Why don't spiders stick to their webs.mp4
•             📄 160. Why do babies get jaundice.mp4
•             📄 186. Why are flamingos pink.mp4
•             📄 188. Where does the fat go when you lose weight.mp4
•             📄 183. Why can't dogs eat chocolates.mp4
•             📄 182. Why do mosquito bites itch.mp4
•             📄 181. How do bees make honey.mp4
•             📄 180. Why do dogs wag their tails.mp4
•             📄 168. Why do bees build hexagonal honeycombs.mp4
•             📄 167. What is Déjà Vu.mp4
•             📄 177. Why do we yawn.mp4
•             📄 178. Why are honey bees dying.mp4
•             📄 185. How are pearls formed.mp4
•             📄 174. What causes heart attacks.mp4
•             📄 173. Why does our stomach growl.mp4
•             📄 176. Why do koalas hug trees.mp4
•             📄 161. What causes wrinkles.mp4
•             📄 169. What is asthma.mp4
•             📄 171. Why do dogs lick their wounds.mp4
•             📄 172. Why is yawning contagious.mp4
•             📄 179. How do dolphins sleep.mp4
•             📄 190. What causes body odor.mp4
•             📄 170. What is sleep paralysis.mp4
•             📄 187. Why do we get sunburn.mp4
•             📄 189. What makes tattoos permanent.mp4
•         📁 251-300
•             📄 294. Can gargling Saltwater cure Sore Throat.mp4
•             📄 270. Why do we Sleepwalk.mp4
•             📄 262. Digestive System of Human Body .mp4
•             📄 255. Greenhouse Effect for Kids .mp4
•             📄 256. Vermicomposting .mp4
•             📄 258. Nitrogen Cycle .mp4
•             📄 265. Should we drink Fruit Juices.mp4
•             📄 254. Osmosis .mp4
•             📄 264. What happens to our Body when we get Angry.mp4
•             📄 259. Diffusion .mp4
•             📄 260. Soil Formation for Kids .mp4
•             📄 266. Why do we have different Eye colors.mp4
•             📄 268. Why do we get Headaches.mp4
•             📄 252. Animal Cell .mp4
•             📄 285. Can Sneezing Pop your Eyes Out.mp4
•             📄 271. Why do some people Stutter.mp4
•             📄 296. What causes Diarrhea.mp4
•             📄 287. What is Insomnia.mp4
•             📄 278. Why do Men have Adam's Apple.mp4
•             📄 272. What does Soda do to your body.mp4
•             📄 275. Can Blind people Dream.mp4
•             📄 293. Why can't we Smell or Taste with a Cold.mp4
•             📄 300. Is eating too much Protein Bad.mp4
•             📄 280. How and why do we Cough.mp4
•             📄 281. Is Running on Treadmills Bad.mp4
•             📄 282. Why does our Nose Run.mp4
•             📄 290. Why do we get an Eye Stye.mp4
•             📄 284. Why do we have Split Ends.mp4
•             📄 263. Why do some people have a Fear of Flying.mp4
•             📄 292. What is Blood Pressure.mp4
•             📄 295. Is it Safe to eat Moldy Bread.mp4
•             📄 257. Global Warming for Kids .mp4
•             📄 291. Is Rubbing your Eyes Good or Bad.mp4
•             📄 298. What are Stomach Ulcers.mp4
•             📄 273. Why are some people Allergic.mp4
•             📄 297. Is Fermented Food good for us.mp4
•             📄 299. Why do Blood Types matter.mp4
•             📄 251. Photosynthesis .mp4
•             📄 267. Do Smartphones make our Eyes Worse.mp4
•             📄 286. Why is it hard to cure Common Cold.mp4
•             📄 279. Why do we have Eyebrows.mp4
•             📄 253. Structure of a Neuron .mp4
•             📄 269. Why do we get Nightmares.mp4
•             📄 289. What is the Science behind Acupressure.mp4
•             📄 274. Why does our Heart beat Faster when in Danger.mp4
•             📄 288. Why is it difficult to lose Belly Fat.mp4
•             📄 283. Why do we get Canker Sores (ulcers).mp4
•             📄 277. Why do we have Birthmarks.mp4
•             📄 268. Why do we get Headaches(1).mp4
•             📄 276. Why do we have Moles.mp4
•         📁 301-333
•             📄 319. Why do some People get Varicose Veins.mp4
•             📄 330. Why do we Shrink With Age.mp4
•             📄 320. Is too much Fiber Bad for us.mp4
•             📄 324. Why are some People Lactose Intolerant.mp4
•             📄 333. How does Thyroid affect our Weight.mp4
•             📄 321. Why are Vitamins Important.mp4
•             📄 326. Why is Fiber Important for us.mp4
•             📄 323. What is Irritable Bowel Syndrome.mp4
•             📄 316. What is Dwarfism.mp4
•             📄 332. Why do we Drool in our Sleep.mp4
•             📄 322. Why are White Blood Cells Important for us.mp4
•             📄 310. What is Sinusitis.mp4
•             📄 317. What causes Swelling.mp4
•             📄 312. What is Gigantism.mp4
•             📄 327. Why do we Forget things as we get Old.mp4
•             📄 318. How do Carbohydrates impact our Health.mp4
•             📄 313. Hot Shower vs Cold Shower, which is better.mp4
•             📄 328. Where does all my Snot come from.mp4
•             📄 311. How do Hormones work.mp4
•             📄 325. Why do we Blink when we hear Loud Sounds.mp4
•             📄 306. What is Sleep Apnea.mp4
•             📄 315. Why do People get Ringworm.mp4
•             📄 314. Why do we get Dehydrated.mp4
•             📄 304. Are Canned foods Safe.mp4
•             📄 309. Are Frozen foods Safe to eat.mp4
•             📄 307. What if Glasses were Never Invented.mp4
•             📄 305. Are Earphones harmful.mp4
•             📄 303. Is Expired Food Safe to eat.mp4
•             📄 301. What is BMI_ (Body Mass Index) .mp4
•             📄 302. Is too much Salt Bad for us.mp4
•             📄 331. How do we get Lyme Disease.mp4
•             📄 308. How does Stress affect our Brain.mp4
•             📄 329. Why do we sometimes Talk in our Sleep_ _ Sleep Talking .mp4
•         📁 101-150
•             📄 143. How do geckos (lizards) stick to walls.mp4
•             📄 146. How do fish breathe underwater.mp4
•             📄 140. How do antacids work.mp4
•             📄 150. Why do people grind their teeth.mp4
•             📄 134. Why vultures don't get food poisoning.mp4
•             📄 135. How does blood clot.mp4
•             📄 112. Why are some people always cold.mp4
•             📄 145. Why do we burp.mp4
•             📄 113. Why do leaves turn yellow.mp4
•             📄 105. What is Migraine.mp4
•             📄 102. Why do Dead Whales Explode.mp4
•             📄 147. Why don't penguins' feet freeze.mp4
•             📄 148. How do migratory birds find their way.mp4
•             📄 110. Why does salt make food taste better.mp4
•             📄 104. Why do Cats have Vertical Pupils.mp4
•             📄 119. Why don't we drink seawater.mp4
•             📄 109. Are Preservatives Bad for you.mp4
•             📄 103. Why do my Granny's Legs Pain_ _ What is Arthritis.mp4
•             📄 114. Can animals get a sunburn.mp4
•             📄 136. Why do we get angry when we are hungry.mp4
•             📄 108. Why do cats purr.mp4
•             📄 101. How does the Moon cause Tides.mp4
•             📄 117. Why do we bite our nails.mp4
•             📄 149. What if we stopped drinking water.mp4
•             📄 107. What is Diabetes.mp4
•             📄 106. Why Smoking makes People look Old.mp4
•             📄 115. Why do our muscles get sore.mp4
•             📄 111. Is spicy food bad for you.mp4
•             📄 138. How do pain relievers work.mp4
•             📄 118. Why is blood red in color.mp4
•             📄 116. How do scars form.mp4
•             📄 144. Why is whale vomit so valuable.mp4
•             📄 133. Why do birds need gravity to swallow food.mp4
•             📄 132. How does placebo effect work.mp4
•             📄 126. Why honey doesn't spoil.mp4
•             📄 128. Is Gluten bad for you.mp4
•             📄 141. Is Antibacterial soap bad for you.mp4
•             📄 130. Why do we breathe through one nostril.mp4
•             📄 122. How to cut onions Without crying.mp4
•             📄 124. Why shouldn't we look at the sun.mp4
•             📄 129. Why do our teeth turn yellow.mp4
•             📄 125. Why do we have different skin colors.mp4
•             📄 123. Why do strawberries have seeds on the outside.mp4
•             📄 139. Why do we get eye bags.mp4
•             📄 127. Do you hear 'Yanny' or 'Laurel'.mp4
•             📄 121. Why are we addicted to Sugar.mp4
•             📄 142. How does an owl fly so silently.mp4
•             📄 120. Can animals predict natural disasters.mp4
•             📄 137. Why do your eyes turn red in the pool_ _ #aumsum.mp4
•             📄 131. What are tonsil stones.mp4
•         📁 201-250
•             📄 247. Sexual Reproduction in Flowering Plants .mp4
•             📄 215. What causes Pneumonia.mp4
•             📄 228. Why do we get freckles.mp4
•             📄 235. Nervous System - Why don't we feel pain when we cut our hair.mp4
•             📄 202. Why do we stretch in the morning.mp4
•             📄 217. Why does your tongue stick to a frozen pole.mp4
•             📄 229. Why do we snore.mp4
•             📄 211. How do vaccines work.mp4
•             📄 223. How does a bone heal.mp4
•             📄 222. Caffeine - How does coffee keep you awake.mp4
•             📄 209. Why do limbs fall asleep.mp4
•             📄 237. Why should we not overwater potted plants.mp4
•             📄 224. Why do we sweat.mp4
•             📄 216. Why do paper cuts hurt so much.mp4
•             📄 220. Why do we blush.mp4
•             📄 204. What is a Cataract.mp4
•             📄 205. Why do we get car sickness.mp4
•             📄 226. Red Eye Effect - Why do my eyes glow red in photos.mp4
•             📄 234. Why do we get hiccups.mp4
•             📄 213. What causes Sinkholes.mp4
•             📄 236. Transpiration - Why do cacti have spines.mp4
•             📄 238. Why do water lilies have stomata on the upper side of their leaves.mp4
•             📄 219. Why do we get white hair.mp4
•             📄 243. Why do we have two eyes instead of one.mp4
•             📄 201. Why do animals eyes glow in the dark.mp4
•             📄 231. Why do dogs pant.mp4
•             📄 233. Pathogens - Why do we get fever.mp4
•             📄 208. Why do we get bad breath.mp4
•             📄 227. Myopia - What causes nearsightedness.mp4
•             📄 206. What are eye floaters.mp4
•             📄 244. How do ears help with balancing.mp4
•             📄 207. What are eye boogers.mp4
•             📄 239. Turgor Pressure - Why does a Touch Me Not plant close.mp4
•             📄 221. Archimedes Principle - Why do ships float.mp4
•             📄 232. Why do we get pimples.mp4
•             📄 218. What causes kidney stones.mp4
•             📄 225. Why does spicy food make your nose run.mp4
•             📄 210. What causes chapped lips.mp4
•             📄 214. Why do Knuckles pop.mp4
•             📄 230. Taste Buds - Why mint tastes cold.mp4
•             📄 242. Osmosis - Why is grass killed if salt is sprinkled on it.mp4
•             📄 245. Mitosis - Why does a lizard's tail grow back.mp4
•             📄 203. What is Earwax.mp4
•             📄 212. Why do we get Nosebleeds.mp4
•             📄 240. Respiration - Why is it not good to sleep under a tree at night.mp4
•             📄 241. Why is the upper surface of a leaf more green and shiny.mp4
•             📄 250. Life Cycle of a Frog .mp4
•             📄 246. Human Eye .mp4
•             📄 248. Seed Germination .mp4
•             📄 249. Life Cycle of a Butterfly .mp4
•         📁 001-050
•             📄 010. Why are Tears Salty.mp4
•             📄 026. How can Parrots Talk like Humans.mp4
•             📄 003. Why do some people have Dimples.mp4
•             📄 019. Why don't cockroaches die easily.mp4
•             📄 035. Why are Flies so Hard to Swat.mp4
•             📄 015. How much Water should you Drink per day.mp4
•             📄 030. What causes Heartburn.mp4
•             📄 036. Why is Hot water Harmful for Fish.mp4
•             📄 001. Why do we have 5 fingers.mp4
•             📄 005. What if the Sun Disappeared.mp4
•             📄 012. Why do people Smoke.mp4
•             📄 011. Is Diabetes Hereditary.mp4
•             📄 024. Why don't Sharks have Bones.mp4
•             📄 029. Why can't babies walk at birth.mp4
•             📄 008. What if everyone went Vegetarian.mp4
•             📄 039. The Human Heart .mp4
•             📄 033. What do Dogs see when they watch TV.mp4
•             📄 017. Why do we Dream.mp4
•             📄 013. Is Running Bad for Knees.mp4
•             📄 037. Whose Poop is Cube shaped.mp4
•             📄 034. Why does Sugar Hurt our Teeth.mp4
•             📄 007. Is Dairy Good or Bad.mp4
•             📄 009. Is Coffee good for Health.mp4
•             📄 042. The Carbon Cycle .mp4
•             📄 014. Why do we Blink.mp4
•             📄 031. Why doesn't it go Dark when we Blink.mp4
•             📄 006. Why are we Afraid of the Dark.mp4
•             📄 004. Why are some people Lazy.mp4
•             📄 002. Is Fasting Good or Bad for you.mp4
•             📄 050. Shadow, Rust, Pollination, Magnetic Compass, Neutralization and much more!! .mp4
•             📄 023. Why is bird poop white.mp4
•             📄 021. Why do we Fart.mp4
•             📄 027. Why do we Cry.mp4
•             📄 028. Snake vs Mongoose, who wins.mp4
•             📄 046. What is Special about a Giraffes Heart.mp4
•             📄 045. Which Came First - Chicken or Egg.mp4
•             📄 049. Pythagoras Theorem, Fractions, Ratio, Proportion and much more!! .mp4
•             📄 032. Do Plants get Cancer.mp4
•             📄 018. How was Silk invented.mp4
•             📄 022. Why do Bees Die when they Sting us.mp4
•             📄 038. Why do Flamingos stand on one leg.mp4
•             📄 040. Why do we Love Junk Food.mp4
•             📄 044. How do Miracle Fruits work.mp4
•             📄 020. What is a Jet Lag.mp4
•             📄 025. Can Dogs recognize their Moms.mp4
•             📄 043. Where is the Biggest Garbage Dump on Earth.mp4
•             📄 041. How were French Fries Invented.mp4
•             📄 016. Why is Grass Green.mp4
•             📄 048. What exactly killed the Dinosaurs.mp4
•             📄 047. How much Percent of our Brain do we use.mp4
•         📁 051-100
•             📄 085. Is it Bad to Hold our Urine.mp4
•             📄 073. How to Stop a Sneeze.mp4
•             📄 086. Do Animals live Longer than Humans.mp4
•             📄 079. Is Sugar bad for you.mp4
•             📄 093. Why do humans Love Music.mp4
•             📄 069. Is Radiation Harmful.mp4
•             📄 091. What is a Hangover.mp4
•             📄 090. How do Animals Hibernate.mp4
•             📄 061. Do Animals Dream.mp4
•             📄 072. Why are Giraffes so Tall.mp4
•             📄 092. Is Sitting Bad for you.mp4
•             📄 098. Are you Afraid of Heights_ _ Vertigo .mp4
•             📄 076. How Tall can we Grow.mp4
•             📄 100. Why do Snakes shed their Skin.mp4
•             📄 080. What happens to Our Body after we Die.mp4
•             📄 096. Why is it hard to Cure Cancer.mp4
•             📄 095. What is Constipation.mp4
•             📄 077. Why do we Scratch our Itch.mp4
•             📄 083. Why do Elephants Never Forget.mp4
•             📄 071. Why do Ants walk in a Straight Line.mp4
•             📄 078. What is Depression.mp4
•             📄 082. Are Dolphins Smart.mp4
•             📄 089. Why is it hard to Cure HIV _ AIDS.mp4
•             📄 084. How does Anesthesia work.mp4
•             📄 087. How do we know that our Stomach is Full.mp4
•             📄 074. Why are some people Left Handed.mp4
•             📄 099. Why do Snakes have Forked (Split) Tongue.mp4
•             📄 094. Why is it hard to cure Alzheimer's disease.mp4
•             📄 075. Why does my Dog Stink when it is Wet.mp4
•             📄 081. How are Smartphones Changing us.mp4
•             📄 060. How does a Spider make its web.mp4
•             📄 052. Can Dogs detect Cancer.mp4
•             📄 088. Why do we Love Chocolates.mp4
•             📄 057. Do Grasshoppers Hear through their Belly.mp4
•             📄 056. Does Octopus have Nine Brains.mp4
•             📄 066. Are Wisdom Teeth still Useful.mp4
•             📄 054. Do Bees Dance.mp4
•             📄 067. Which is the best Sleeping Position.mp4
•             📄 063. Why do we feel Butterflies in our Stomach.mp4
•             📄 097. Why are Fish eating Plastic.mp4
•             📄 055. Can we Taste Food without Saliva.mp4
•             📄 059. How do Horses Sleep.mp4
•             📄 051. Can Cockroaches live without their Heads.mp4
•             📄 065. Is sleeping in Contact Lenses bad.mp4
•             📄 062. What is Blood Rain.mp4
•             📄 064. How Tattoo Removal works.mp4
•             📄 070. Can you 'Hear Colors' or 'See Sounds'.mp4
•             📄 058. Can Trees Talk.mp4
•             📄 053. Why are Eggs Egg-shaped.mp4
•             📄 068. Why do some people Sweat more than others.mp4
•     📁 02 - Maths # Primary 初级数学【12集 英文字幕】
•         📁 001-012
•             📄 04. Basic Subtraction for Kids .mp4
•             📄 07. Basic Multiplication for kids .mp4
•             📄 09. Introduction to Perimeter .mp4
•             📄 02. Introduction to Fractions for Kids .mp4
•             📄 06. Basic Division for Kids .mp4
•             📄 05. Basic Addition for Kids .mp4
•             📄 03. Equivalent Fractions for Kids .mp4
•             📄 12. Multiplication by 10, 100 and 1000 .mp4
•             📄 08. Addition of Fractions for Kids .mp4
•             📄 10. Learning about Area .mp4
•             📄 01. Solid Shapes for Kids .mp4
•             📄 11. Subtraction of Fractions for Kids .mp4
•     📁 03 - Maths # Advanced 高级数学【9集 英文字幕】
•         📁 001-009
•             📄 03. Quadratic Equations .mp4
•             📄 06. Volume of a Cylinder .mp4
•             📄 09. Why are Prime Numbers so Weird.mp4
•             📄 04. Square Root Tricks .mp4
•             📄 02. Volume of a Sphere .mp4
•             📄 01. Pythagorean Theorem .mp4
•             📄 05. Introduction to Exponents .mp4
•             📄 07. Rational Numbers .mp4
•             📄 08. Exponents in Math - Negative Exponents .mp4
•     📁 05 - Chemistry Videos 化学视频【59集 英文字幕】
•         📁 001-059
•             📄 16. Why do old books smell so good.mp4
•             📄 45. Simple Distillation .mp4
•             📄 35. Sublimation - Why do mothballs disappear over time.mp4
•             📄 50. Crystallization .mp4
•             📄 47. Chromatography .mp4
•             📄 05. Is Mars really Red.mp4
•             📄 06. Does it Rain Diamonds on Jupiter and Saturn.mp4
•             📄 17. Why do people go bald.mp4
•             📄 02. How do Airbags work.mp4
•             📄 09. Why is Ocean water Salty.mp4
•             📄 11. What are those 'DO NOT EAT' packets.mp4
•             📄 07. Can Bananas cause Radiation Poisoning.mp4
•             📄 19. How do fireflies glow.mp4
•             📄 20. Why does water go stale overnight.mp4
•             📄 18. Why can we see our breath in the cold.mp4
•             📄 30. Water Purification - Why is alum added to water.mp4
•             📄 54. Single Displacement Reactions .mp4
•             📄 37. Oxidation - Why do copper vessels turn green.mp4
•             📄 29. Why is a diver able to cut through water in a swimming pool.mp4
•             📄 57. How can some people Predict Rain.mp4
•             📄 41. Rancidity - Why is a bag of chips half full.mp4
•             📄 53. Burning of Magnesium Ribbon Experiment .mp4
•             📄 34. Why is oxalic acid used to remove rust stains.mp4
•             📄 26. Why does rain smell.mp4
•             📄 52. Solution, Suspension and Colloid .mp4
•             📄 33. Why do wet clothes feel cold.mp4
•             📄 14. How is coffee decaffeinated.mp4
•             📄 36. Why is soap ineffective in hard water.mp4
•             📄 56. Balancing Chemical Equations for beginners .mp4
•             📄 59. Is Overcooked food Good for us.mp4
•             📄 21. Why is fluoride added to water.mp4
•             📄 48. Covalent Bonding .mp4
•             📄 42. Neutralization Reaction - How to treat a bee sting.mp4
•             📄 24. Why do we get dandruff.mp4
•             📄 31. Osmosis - How do fish drink water.mp4
•             📄 58. What is a Hailstorm.mp4
•             📄 49. Hydrocarbons .mp4
•             📄 43. Why is soil pH important to farmers.mp4
•             📄 25. What causes cavities.mp4
•             📄 28. Human Tears - Why do onions make you cry.mp4
•             📄 55. Decomposition Reaction .mp4
•             📄 27. Is distilled water safe to drink.mp4
•             📄 23. What is the cause of muscle cramps.mp4
•             📄 22. Why does Swiss cheese have holes.mp4
•             📄 44. Why does soda fizz when you shake it.mp4
•             📄 40. Why does a turmeric stain turn red.mp4
•             📄 39. Why is curd not stored in copper containers.mp4
•             📄 01. Why are Gold and Platinum used to make Jewellery.mp4
•             📄 15. What makes ice clear or cloudy.mp4
•             📄 51. Rusting of Iron .mp4

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