| 301. | What Causes Pins and Needles? | 1,297,265 | |
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| 302. | World's Most Asked Questions: How Can I Get Rid of the Hiccups? | 1,290,035 | |
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| 303. | What Color is Your Blood? | 1,286,599 | |
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| 304. | 3 Weird Things That Domestication Did to Dogs | 1,285,177 | |
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| 305. | So what IS the Higgs boson? | 1,285,075 | |
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| 306. | 6 "Vegetarian" Animals That Actually Eat Meat | 1,284,942 | |
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| 307. | The Science of Dank Memes | 1,283,607 | |
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| 308. | 4 Mysterious Extinctions from Earth’s History | 1,282,603 | |
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| 309. | 7 Dinosaur Mysteries We Haven't Fully Figured Out | 1,279,887 | |
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| 310. | How Herpes Can Actually Be Good For You | 1,271,737 | |
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| 311. | Those Maddening Eyeball Floaters! | 1,260,457 | |
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| 312. | How Farmers Accidentally Killed Off North America's Locusts | 1,259,680 | |
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| 313. | Why Do Men Have Nipples? | 1,259,654 | |
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| 314. | A Scientific Breakdown of Winter Across the Globe | 1,259,375 | |
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| 315. | 6 Stupid and Dangerous Things Scientists Did to Themselves | 1,259,018 | |
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| 316. | Do eggs go in the fridge or on the counter? #shorts #science | 1,258,466 | |
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| 317. | The Truth About 'Truth Serum' | 1,256,694 | |
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| 318. | Weird Places: Blood Falls | 1,254,999 | |
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| 319. | How Dogs Really Listen to Us, and How Pufferfish Puff | 1,252,999 | |
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| 320. | How Modern Technology Protects You From Toxic Poop | 1,250,569 | | Counter-Strike: Source
|
| 321. | 7 Animals Called By The Wrong Name | 1,249,079 | |
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| 322. | The Truth About the Charlie Charlie Challenge | 1,247,373 | |
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| 323. | How Baboons Led Us to a Lost Civilization | 1,240,964 | |
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| 324. | Mysterious Cold Cases Solved by Science | 1,239,844 | |
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| 325. | The Science of the Cinnamon Challenge | 1,236,101 | |
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| 326. | 10 Discoveries Made in National Parks | 1,235,669 | |
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| 327. | Can Lead Actually Turn into Gold? | 1,231,343 | |
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| 328. | How Long Does Sperm REALLY Live? #science #scishow #STEM #hankgreen | 1,231,244 | |
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| 329. | 6 Strange Units of Measurement We Still Use | 1,230,988 | |
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| 330. | What a Cochlear Implant Actually Sounds Like | 1,228,214 | |
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| 331. | 8 Beautiful, Weird, and Scary Things Ice Can Do | 1,227,571 | |
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| 332. | World's Most Asked Questions: What Is Energy? | 1,227,333 | |
|
| 333. | 7 Scientific Discoveries Made by... Licking Stuff? | 1,225,245 | |
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| 334. | Extreme Survivors: Species That Live in Crazy Conditions | 1,225,122 | |
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| 335. | The 9 Most Abundant Animals in The World | 1,224,554 | |
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| 336. | The Science of Alcohol: From Beer to Bourbon | 1,221,219 | |
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| 337. | Monogamy | 1,221,100 | |
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| 338. | 6 Invasive Species That Are Actually Saving the Planet | 1,218,646 | |
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| 339. | 5 Lies You Were Told in School | 1,215,050 | |
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| 340. | What Happens If You're Struck By Lightning? | 1,213,958 | |
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| 341. | The Smelly, Oozy, Sometimes Explode-y Science of Garbage | 1,211,617 | |
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| 342. | 3 Weird Things That Happen When You're Pregnant | 1,209,978 | |
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| 343. | The Science of Men | 1,208,920 | |
|
| 344. | Mercury Shouldn't Be Liquid. But It Is. | 1,207,304 | | Counter-Strike: Source
|
| 345. | The Psychology of Trolling | 1,205,483 | |
|
| 346. | Why Tomatoes Are Fruits, and Strawberries Aren't Berries | 1,205,043 | |
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| 347. | How Humans Domesticated Just About Everything | Compilation | 1,203,573 | |
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| 348. | The 4 Newest Elements & What They Do | 1,203,407 | |
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| 349. | Darwin's Darlings: Meat-Eating Plants | 1,200,333 | |
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| 350. | The Truth Behind 'Natural' and 'Artificial' Flavors: How Bad Are They Really? | 1,199,881 | |
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| 351. | Why Are Giant Pandas So Hard to Save? | 1,197,060 | |
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| 352. | Yellowstone Super Volcano | 1,194,467 | |
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| 353. | How North America Almost Separated Into Two Pieces | 1,194,288 | |
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| 354. | IDTIMWYTIM: Schrodinger's Cat | 1,193,217 | |
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| 355. | Does My Voice Really Sound Like That? | 1,192,691 | |
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| 356. | How to Become Immune to Mosquito Bites | 1,190,245 | |
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| 357. | Extreme Animal Milks You Probably Don't Want To Drink | 1,188,117 | |
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| 358. | 5 Things We Still Don't Know About the Solar System | 1,186,024 | |
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| 359. | Why Do Joints Pop And Crack? | 1,185,789 | |
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| 360. | 6 Popular Home Remedies That Actually Don't Work | 1,185,174 | |
|
| 361. | Why We Have Cats as Pets: The History of Feline Domestication | 1,183,836 | |
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| 362. | Can You Really Be Scared to Death? | 1,182,425 | |
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| 363. | The Truth About Flint Michigan: A Clean Water Crisis | 1,179,255 | |
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| 364. | 6 Mysterious Disease Outbreaks Through History | 1,178,358 | |
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| 365. | Can Metal Burn? A Chemistry Experiment | 1,176,688 | |
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| 366. | The Secret World of Ones and Zeroes: Moore's Law Explained | 1,176,655 | | The Secret World
|
| 367. | Why Do Cats Like Catnip? | 1,175,524 | |
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| 368. | The Alien Egg Experiment | 1,170,075 | | The Alien
|
| 369. | When Too Much Oxygen, Blood or Water Can Kill You | 1,166,574 | |
|
| 370. | Why Do We Wrinkle When Wet? | 1,164,447 | |
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| 371. | The Top 10 Weirdest Prehistoric Creatures | 1,164,052 | |
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| 372. | What Actually Happens to Your Cat on Catnip | 1,163,544 | |
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| 373. | 6 Animals with Oddly Human Behavior | 1,163,054 | |
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| 374. | The 'Dancing Cat' Disaster of Japan | Minamata Explained | 1,162,409 | |
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| 375. | 7 Strange Things That Happen to Babies | 1,158,263 | |
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| 376. | Why Do Dogs Tilt Their Heads? | 1,153,541 | |
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| 377. | How Birds Really See the World | 1,153,253 | |
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| 378. | The Truth About Fats and Nutrition | 1,149,517 | |
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| 379. | Is Alkaline Water Actually Better For You? | 1,144,028 | |
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| 380. | The 5 Worst Mass Extinctions in History | 1,141,813 | |
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| 381. | The Truth About Biodegradable Plastic | 1,140,449 | |
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| 382. | How Chocolate is Grown, Harvested and Made | 1,139,247 | |
|
| 383. | The Science of Codes: An Intro to Cryptography | 1,138,553 | |
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| 384. | Why Some Parasites Are Actually GOOD (And Which Can Kill You) | 1,137,620 | |
|
| 385. | 8 Strange Ways Animals Sleep | 1,135,954 | |
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| 386. | The Amazing Life Cycle of Mountains | SciShow Compilation | 1,135,280 | |
|
| 387. | The 2 Secrets to Sending People to Mars | 1,131,991 | |
|
| 388. | Mind Reading | 1,130,984 | |
|
| 389. | What Are Muscle Knots? | 1,130,349 | |
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| 390. | The Riddle of Washington’s Mt. Olympus: A SciShow Field Trip #1 | 1,130,103 | |
|
| 391. | Horseshoe Crabs Saved My Life | 1,127,755 | |
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| 392. | Do Those Glasses Really Fix Colorblindness? | 1,126,399 | |
|
| 393. | The World’s Biggest Aircraft Can Fly for a Week | 1,121,067 | |
|
| 394. | The Story of the World's Favorite Fossil | 1,120,080 | |
|
| 395. | Does Hair Ever Stop Growing? | 1,119,235 | |
|
| 396. | The Sun Isn't Normal. This Telescope Learned the Hard Way. | 1,112,819 | |
|
| 397. | How Do Touchscreens Work? | 1,110,328 | |
|
| 398. | The Solar System Explained | SciShow Goes to Space | 1,109,691 | |
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| 399. | 9 Extreme Bug Mating Rituals | 1,108,659 | |
|
| 400. | 3 Wasps That Will Do Anything to Survive | 1,107,973 | |
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