| 301. | The Top-Secret Research (and Fake Poop) Behind Every Roll of Toilet Paper | 63 | |
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| 302. | The PopSci 5-Minute Project: The Bottlecap Tripod | 64 | |
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| 303. | Precious Commodities Worth (More Than) Their Weight In Gold | 64 | |
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| 304. | Stone throwing as sexual display by female capuchin monkeys | 64 | |
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| 305. | Novint Falcon with Pistol Grip | 64 | |
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| 306. | Building Apple Park, Apple's New Campus | 66 | |
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| 307. | Apollo 11's Legacy in Pop Culture | The Moon Landing in TV and Movies | 67 | |
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| 308. | Build It - Edible Water Bottles | 67 | |
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| 309. | EXCLUSIVE: How Mars settlers will survive marsquakes (from Nat Geo's “Mars") | 69 | |
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| 310. | CES 2015: Watch Qualcomm's Tank Drone Fly And Wheel Around | 69 | |
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| 311. | Construct a Simple Fossil Sifter - Popular Science Build It | 69 | |
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| 312. | How differences in color can make a still image move (The rotating snakes illusion) | 74 | |
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| 313. | The Weirdest Thing I Learned This Week LIVE! (Mar. 30 at 7PM : #stayhome edition) | 75 | Show |
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| 314. | EV Batteries: They’re Not All The Same | 125 | |
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| 315. | Five things you didn't know about the Moon | 77 | |
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| 316. | Take To The Skies With A Radio-Controlled Pterodactyl | 77 | |
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| 317. | Pokémon vs. Same-Weight Animals - 3D Comparison | 158 | |
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| 318. | Not-Too-Smart Smart Home | 79 | |
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| 319. | The PopSci 5-Minute Project: Parabolic Cookware WiFi Antenna | 79 | |
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| 320. | Fabien Cousteau, Part 1: Life Under The Sea | 81 | |
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| 321. | Rebuild: A Hack For Cutting Pipes Perfectly | 83 | |
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| 322. | The Worst Diet? || Your Food and Your Death | 83 | |
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| 323. | 12 Science Facts to Weird Out Your Family | 84 | | X-Men Origins: Wolverine
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| 324. | How To Extract Your Own DNA Using Basic Kitchen Supplies | 86 | |
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| 325. | Six Hidden iPhone Settings | 88 | |
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| 326. | We’ve Wasted More Plastic Than You Can Imagine | 88 | |
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| 327. | The Hyanide personal tank | 89 | |
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| 328. | What the "Rockets' Red Glare" in the Star Spangled Banner is | 89 | |
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| 329. | Ask Us Anything: Which Came First, The Chicken Or The Egg? | 89 | |
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| 330. | Ask Us Anything: Why Don't Electric Eels Electrocute Themselves? | 91 | |
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| 331. | Can An Onion Taste Like An Apple? | 91 | |
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| 332. | Do Animals Have Consciousness? | 280 | |
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| 333. | Bio-Hybrid Robots ARE HERE. | 437 | |
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| 334. | Generation Make: The 15-Year-Old Who Builds Drones | 94 | |
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| 335. | Rebuild: Welding With Car Batteries | 94 | |
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| 336. | The Love Life of the Horseshoe Crab | A mating ritual 450 million years old || Wild Lives ep. 3 | 117 | |
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| 337. | Ghost Pepper | 98 | |
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| 338. | CES 2015: Zipping Around Las Vegas In The 3-Wheeled Polaris Slingshot | 99 | |
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| 339. | Make a Self-Powered Holiday Light - Popular Science Build It | 102 | |
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| 340. | Five Huge Machines That Changed Science | 103 | |
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| 341. | Beating Stem Cell Heart | 104 | |
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| 342. | How To Safely Watch A Solar Eclipse | 105 | Guide |
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| 343. | What is the Most Powerful Animal? | 108 | |
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| 344. | You Can’t See All 12 of These Dots at Once | 113 | |
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| 345. | 7 Sci Fi Predictions That Came True | Frankenstein Nailed It | 115 | | Frankenstein
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| 346. | Fly to a black hole from Earth || FIRST IMAGE OF A BLACK HOLE EVER | 118 | |
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| 347. | How Animals Hibernate: L’orchestre D’hibernation Animaux | 119 | |
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| 348. | Martin Aircraft Completes Latest Phase of Manned Test Flying | 120 | |
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| 349. | How to Terraform Mars | 121 | Guide |
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| 350. | How to build your own sextant from junk | 124 | Guide |
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| 351. | Inside the Ultimate Treehouse | 125 | |
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| 352. | Meet Ann Makosinski: Our Young Inventor Of The Year | 125 | |
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| 353. | A caffeine detox destroyed me || Test Dummy Ep. 3 || Popular Science (#stayhome and #learn #withme) | 128 | |
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| 354. | Survive on a single food | CAN IT BE DONE? | 129 | |
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| 355. | Bill Nye on the Future of Science Communication, Being Known as "The Science Guy," and more | 129 | |
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| 356. | The Science of Why Skunks Smell! | 130 | |
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| 357. | Rebuild: Create A Chisel With An Old Screwdriver | 132 | |
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| 358. | The Evolution of the American Pickup Truck | 135 | |
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| 359. | Nintendo DS Illustrator Software - Demo | 139 | |
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| 360. | Air Taxi To Taco Bell? | 162 | |
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| 361. | 24 Of The Most Famous Space Launches Ever | 140 | |
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| 362. | How Lenticular Clouds Form to Look Like UFOs | 142 | |
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| 363. | Build It - Phone Scanner | 144 | |
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| 364. | Rebuild: Hackett Builds A Moonshine Distillery | 145 | |
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| 365. | Carbon farming could fight climate change and produce more crops | 148 | |
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| 366. | 2019: Year of the Black Hole | 151 | |
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| 367. | Hydrogen Bubbles | 153 | |
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| 368. | The Coincidental Geometry of a Total Solar Eclipse || EXPERIMENTALS: Eclipse | 157 | |
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| 369. | Marques Brownlee -- MKBHD Q&A On How To Be A YouTube Star | 160 | Guide |
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| 370. | The Assassination of Albert Einstein or: What is E=mc2 | 163 | |
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| 371. | Where is the Sweet Spot on a Baseball Bat? | 165 | |
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| 372. | Testing An Extreme Prosthetic Leg | 167 | |
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| 373. | First look at the Apple iPhone X | 170 | First Impressions |
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| 374. | Rebuild: The Skill That Helps You Drill Through Steel | 178 | |
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| 375. | The Animal Utopia DIDN'T Happen | 214 | |
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| 376. | A 3-D Printer Makes A Pizza | 191 | |
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| 377. | Skyguard Laser Defense in Action | 192 | |
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| 378. | A more perfect unit: The New Mole || EXPERIMENTALS: Moles (part 2) | 193 | Show |
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| 379. | The TRUE STORY of Hitchcock’s The Birds | Science Stranger than Fiction || Wild Lives Ep. 2 | 205 | |
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| 380. | Ask Us Anything: Are Aphrodisiacs Real? | 202 | |
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| 381. | SXSW 2014: Stun Gun Drone Zaps Intern | 204 | |
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| 382. | SPACECRAFT CEMETERY || Where The International Space Station Will Die | 206 | |
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| 383. | How Hot Will Your City Be in 2080? | How Climate Will Change in 5 Cities | 206 | |
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| 384. | The Buried Treasure That Took Us To The Moon - They Never Told You | 344 | |
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| 385. | Why Kittens From the Same Litter Can Look Completely Different | 216 | |
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| 386. | Never, EVER Flush These Things Down a Toilet | 218 | |
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| 387. | Why Everyone Smells Bad || BODY ODOR 101 | 219 | Vlog |
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| 388. | How a Dyson Swarm Might Work | 220 | |
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| 389. | Is the Tasmanian tiger not extinct? | 222 | |
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| 390. | The RYNO Motorcycle | 223 | |
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| 391. | Planets As Animals - To Scale 3D Mass Comparison | 396 | |
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| 392. | How and When Did the Dinosaurs Die? | VOLCANO OR ASTEROID? | 228 | |
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| 393. | How to smile without looking like a creep | 230 | Guide |
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| 394. | The Science of 'Yanny or Laurel' | 231 | |
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| 395. | You Really Shouldn't Pee in the Pool | 233 | |
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| 396. | What happens to your body when you die in space? | 240 | |
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| 397. | Build It - Potato Chip Speaker | 235 | |
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| 398. | Roy The Robot (Maker Faire 2016) | 235 | |
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| 399. | Spinthariscope | 237 | |
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| 400. | Build It: Wiffle-Ball Pitcher | 238 | |
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