| 101. | Is this how aliens would rule the universe? | Weird Science | Earth Lab | 530 | |
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| 102. | Why do we have wisdom teeth? | Greg Foot Answers Your Questions (Ep 12) | Head Squeeze | 526 | |
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| 103. | How Does Wi-Fi Work? | Earth Lab | 525 | |
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| 104. | Is Microwaving Your Food Dangerous? | Earth Lab | 512 | |
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| 105. | Blood Boiling! Death In Space | Dara O' Briain's Science Club | Earth Lab | 503 | |
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| 106. | How does deodorant work? I James May Q&A I Head Squeeze | 502 | |
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| 107. | Guns for Left Handed people? | Head Squeeze | 501 | |
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| 108. | Why Do Women Live Longer Than Men? | Earth Lab | 495 | |
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| 109. | Why is a bicycle easier to balance at speed? | James May's Q&A | Head Squeeze | 494 | |
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| 110. | One Hour Of Mind-Blowing Space Mysteries | Full Series | BBC Earth Lab | 488 | |
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| 111. | James May Rides The Vomit Comet | James May: On The Moon | Earth Lab | 487 | |
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| 112. | How to get an egg inside a bottle | Live Experiments (Ep 28) | Head Squeeze | 482 | Tutorial |
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| 113. | Why do mirrors flip things horizontally but not vertically? | James May Q&A | Head Squeeze | 481 | |
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| 114. | What is an itch? | Head Squeeze | 472 | |
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| 115. | Can You Die with a Penny Dropped from a Building? | Earth Lab | 467 | |
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| 116. | What are the Effects of Tablets and Smartphones on Babies’ Brains? | Babies: Their Wonderful World | 455 | |
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| 117. | What Is Horsepower? | Earth Lab | 455 | |
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| 118. | Can You Create Artificial Gravity? | Earth Lab | 450 | |
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| 119. | Pistol Shrimp's Cavitation Bubble | Richard Hammond's Invisible Worlds | Earth Lab | 448 | |
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| 120. | Is Farting Good For You? | Earth Lab | 442 | |
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| 121. | Could We Clone Humans? | Earth Lab | 442 | |
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| 122. | What Happens When You Die? | Earth Lab | 442 | |
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| 123. | James May Hates Energy Saving Light Bulbs! I James May Q&A Extras I Head Squeeze | 442 | |
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| 124. | How do noise cancelling headphones work? | James May's Q&A (Ep 10) | Head Squeeze | 440 | |
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| 125. | Does Sound Affect Taste? Try it yourself | Earth Lab | 435 | |
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| 126. | Why are we afraid of heights? | James May's Q&A (Ep 29) | Head Squeeze | 434 | |
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| 127. | Is Telepathy Real? | Earth Lab | 430 | |
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| 128. | What Happens When You're Drunk? | Earth Lab | 424 | |
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| 129. | How Do Driverless Trains Work? | Bang Goes The Theory | Earth Lab | 423 | |
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| 130. | Why we have fingernails & other awesome answers | Greg Foot Q&A (Ep 10) | Head Squeeze | 422 | |
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| 131. | How does a Snail SOUND when Feeding? | Earth Lab | 415 | |
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| 132. | Do Protein Shakes Work? | Earth Lab | 415 | |
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| 133. | Is Invisibility Possible? | James May's Q&A (Ep 1) | Head Squeeze | 408 | |
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| 134. | Is There Proof Aliens Exist? | Earth Lab | 405 | |
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| 135. | What is fire? | James May Q&A (Ep36) | Head Squeeze | 404 | |
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| 136. | Why do we get headaches? | Head Squeeze | 403 | |
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| 137. | What Is The Singularity? | Earth Lab | 396 | |
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| 138. | Are Cold Showers Good For You? | Earth Lab | 395 | Show |
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| 139. | Make Your Own Diamonds! | Earth Lab | 394 | |
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| 140. | A Dancing Disease KILLED People: The Dancing Plague Of 1518 | Earth Lab | 393 | |
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| 141. | Can my dog understand me? | James May Q&A (Ep 34) | Head Squeeze | 385 | |
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| 142. | How Does Canned Food Last So Long? | Earth Lab | 382 | |
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| 143. | How Does a Quartz Watch Work? | James May's Q&A | Earth Lab | 380 | |
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| 144. | Is Drinking Caffeine Good Or Bad For You? | Earth Lab | 373 | | Caffeine
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| 145. | Why do Hot Things Glow? | Greg Foot Answers Your Questions (Ep 13) | Head Squeeze | 373 | |
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| 146. | Is It Better for You to Run Outdoors or on a Treadmill? | Earth Lab | 358 | |
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| 147. | BLOOPERS! James May Gets Confused On Number Bases! | Earth Lab | 358 | |
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| 148. | Why do Mosquitoes Prefer some people to others? | James May's Q&A | Head Squeeze | 357 | |
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| 149. | Can you trust Sat Navs? James May's perspective | Earth Lab | 355 | |
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| 150. | What invention is the best? | Sci Guide (Ep 11) | Head Squeeze | 352 | Guide |
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| 151. | How Does The Internet Find James May? | Earth Lab | 352 | |
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| 152. | Breaking the Sound Barrier Without a Plane | Earth Lab | 351 | |
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| 153. | The Planet That Rains Diamonds | The Planets | Earth Lab | 350 | |
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| 154. | The FUTURE Of TRAVEL: Hyperloop Trains And Hypersonic Jets | Earth Lab | 350 | |
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| 155. | Are Cities Smart or Stupid? (ft Jay Foreman) | The Big Question | Earth Lab | 348 | |
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| 156. | Are humans 250,000 years old? | Head Squeeze | 346 | |
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| 157. | Is the Golden Ratio a Myth? | Earth Lab | 344 | |
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| 158. | Robot Milk: How Intelligent Machines Are Revolutionising Cow Farming | Earth Lab | 340 | |
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| 159. | Can Slime Mould Solve Mazes? | Earth Lab | 339 | |
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| 160. | What is PUS? | Head Squeeze | 338 | |
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| 161. | Is glass really made from sand? | James May's Q&A (Ep 11) | Head Squeeze | 337 | |
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| 162. | Flying Cars For Everyone? | World Changing Ideas | BRITLAB | 335 | |
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| 163. | Do Diet Drinks Make You FAT? | Earth Lab | 334 | |
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| 164. | James May's 5G Tolerance Test | On The Moon | Earth Lab | 330 | |
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| 165. | Can You Cure Colourblindness? | Earth Lab | 330 | |
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| 166. | How to find your perfect partner! I Head Squeeze | 330 | Guide |
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| 167. | Why don't birds fall out of trees when asleep? | Greg Foot Answers (Ep 11) | Head Squeeze | 329 | |
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| 168. | Re-Booted | Head Squeeze is BACK! | Head Squeeze | 323 | |
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| 169. | What Diseases Frozen in Ice could be Hidden in our Glaciers? | Earth Lab | 321 | |
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| 170. | Toilet Seat Up Or Down? | Earth Lab | 319 | |
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| 171. | Can You Survive A Falling Lift? | Secrets of Everything | Earth Lab | 316 | |
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| 172. | What happens when you inhale helium...? and more! | Greg Foot Answers (Ep 9) | Head Squeeze | 314 | |
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| 173. | Pacific Rim Debunked | Giant Robots Vs. Monsters | Sci Guide (Ep 26) | Head Squeeze | 314 | Guide |
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| 174. | Stephen Hawking: We Must Leave Earth To Survive | Expedition New Earth | Earth Lab | 314 | |
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| 175. | 360° Chinese Bitcoin Mine | Earth Lab | 312 | |
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| 176. | HIIT Get Fit In 60 Seconds | Earth Lab | 308 | |
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| 177. | Why Can We See Through Glass? | Earth Lab | 304 | |
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| 178. | Why Do Boomerangs Come Back? | Earth Lab | 304 | |
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| 179. | What is Surface Tension? | Richard Hammond's Invisible Worlds | Earth Lab | 302 | |
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| 180. | How does RADAR work? | James May Q&A | Head Squeeze | 302 | |
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| 181. | James May is scared of heights! | Extras | James May's Q&A (Ep 29) | Head Squeeze | 301 | |
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| 182. | What County Has the Biggest Debt Problem? | Earth Lab | 291 | |
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| 183. | Do You Do Your Laundry Often Enough? | Earth Lab | 290 | |
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| 184. | Boiling Water Without Heat | Earth Lab | 289 | |
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| 185. | What happens if I swallow chewing gum? | Greg Foot | Head Squeeze | 284 | |
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| 186. | How Do Light Bulbs Work? | Earth Lab | 284 | |
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| 187. | Getting shot wearing a bulletproof vest? EXTRAS | James May's Q&A | Head Squeeze | 283 | |
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| 188. | Accents According to James May | Head Squeeze | 283 | |
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| 189. | Can we really build the Star Ship Enterprise? | Sci Guide (Ep 24) | Head Squeeze | 281 | Guide |
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| 190. | When Did We Discover that Hydrogen Produces Water when Burned? | Earth Lab | 279 | |
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| 191. | Can Humans Create an Earthquake? | Secrets of Everything | Earth Lab | 279 | |
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| 192. | When are Humans Going to Mars? | Sci Guide (Ep 32) | Head Squeeze | 279 | |
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| 193. | Pixel wars: iPhone vs 4K vs HD | Head Squeeze | 278 | |
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| 194. | YOUR CAT IS CONTROLLING YOU! | BRITLAB | 277 | |
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| 195. | Creating A Fire Tornado | Factomania | Earth Lab | 277 | |
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| 196. | How do spacesuits work? | James May Q&A | Head Squeeze | 277 | |
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| 197. | Can You Spontaneously Combust? | Earth Lab | 275 | |
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| 198. | Why Do We Get Hangovers? | Earth Lab | 275 | |
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| 199. | Why Be Monogamous? | Earth Lab | 274 | |
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| 200. | Are Gingers Going Extinct? | Earth Lab | 273 | | Extinction
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