| 101. | What is fire? | James May Q&A (Ep36) | Head Squeeze | 442,065 | |
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| 102. | Utahraptor vs Gastonia | Walking with Dinosaurs | BBC Earth Science | 437,061 | | Walking with Dinosaurs
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| 103. | Five Hours Of Mind-Blowing Solar System Exploration | BBC Earth Science | 433,609 | |
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| 104. | Exploring our Mind-Blowing Universe | BBC Earth Science | 420,263 | |
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| 105. | What are binary numbers? | James May's Q&A (Ep 11100) | Head Squeeze | 417,041 | |
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| 106. | Prehistoric Super Predators and the Blaze that Killed Them | Earth | BBC Earth Lab | 416,286 | |
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| 107. | Can We Build A Space Elevator? | Earth Lab | 409,872 | |
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| 108. | Are E-Cigarettes Safe? | Earth Lab | 406,084 | |
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| 109. | Is Subliminal Messaging Real? | Earth Lab | 397,288 | |
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| 110. | Geek Week | Free Runner's Epic Fall at the British Museum with Head Squeeze | 394,507 | |
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| 111. | Is your future already written? Watch the full episode on our channel now! | 392,781 | |
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| 112. | Where Does Gold Come From? | Earth Lab | 371,637 | |
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| 113. | What Will Earth Look Like in 5 Billion Years? | The Planets | Earth Lab | 369,358 | |
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| 114. | How Goats Nearly Destroyed The Galapagos Islands | Save Our Species | BBC Earth Science | 369,065 | |
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| 115. | How do digital cameras work? | James May Q&A | Head Squeeze | 366,183 | |
|
| 116. | Is The Earth Flat? | Earth Lab | 360,960 | |
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| 117. | Are you even real? Watch the full episode on our channel now! | 358,988 | Vlog |
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| 118. | Can my dog understand me? | James May Q&A (Ep 34) | Head Squeeze | 358,925 | |
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| 119. | Why are we afraid of heights? | James May's Q&A (Ep 29) | Head Squeeze | 356,892 | |
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| 120. | Is Running Barefoot Better For You? | Earth Lab | 355,941 | |
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| 121. | What Happens When You Die? | Earth Lab | 354,767 | |
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| 122. | Why Do Leaves Cause Train Delays? | Bang Goes The Theory | Earth Lab | 353,053 | |
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| 123. | Is Cracking Your Knuckles Bad For You? | Earth Lab | 350,984 | |
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| 124. | Inside The Sophisticated Airbus A380 | BBC Earth Science | 348,670 | |
|
| 125. | Can you imagine a world where you'd be smaller than a mushroom? | 348,338 | |
|
| 126. | Why do Mosquitoes Prefer some people to others? | James May's Q&A | Head Squeeze | 346,439 | |
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| 127. | How Does Touchscreen Work? | BRITLAB | 340,190 | |
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| 128. | How Does The Internet Find James May? | Earth Lab | 338,898 | |
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| 129. | What Causes Acne? | Earth Lab | 335,203 | |
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| 130. | How Molten Magma Helped Transform Our Planet | Ancient Earth | BBC Earth Lab | 332,836 | Let's Play |
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| 131. | DANGER! Throwing Water On Oil Fire | Earth Lab | 332,709 | |
|
| 132. | How Do Driverless Trains Work? | Bang Goes The Theory | Earth Lab | 332,669 | |
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| 133. | How Do Light Bulbs Work? | Earth Lab | 332,100 | |
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| 134. | Will Robots Have Feelings? | Head Squeeze | 328,211 | |
|
| 135. | Geek Vs. Nerd: Which Are You? | Earth Lab | 325,216 | |
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| 136. | What Will Humans Look Like In A Million Years? | Earth Lab | 322,354 | |
|
| 137. | Why does the leaning tower of Pisa lean? | Sci Guide with Jheni Osman | Head Squeeze | 320,800 | Guide |
|
| 138. | Live: Exploring the Wonders of our Solar System | The Planets | BBC Earth Science | 315,834 | |
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| 139. | A Geological Line of Death | Ancient Earth | Earth Lab | 313,267 | Vlog |
|
| 140. | Why is a bicycle easier to balance at speed? | James May's Q&A | Head Squeeze | 309,663 | |
|
| 141. | What is PUS? | Head Squeeze | 309,190 | |
|
| 142. | Can Slime Mould Solve Mazes? | Earth Lab | 304,951 | |
|
| 143. | What are the Effects of Tablets and Smartphones on Babies’ Brains? | Babies: Their Wonderful World | 304,099 | |
|
| 144. | Has Anyone Been LOST IN SPACE? I James May Q&A Extras I Head Squeeze | 302,359 | |
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| 145. | Giant Asteroids Form Earth's First Tectonic Plates | Earth | Earth Lab | 295,676 | |
|
| 146. | How do spacesuits work? | James May Q&A | Head Squeeze | 293,643 | |
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| 147. | The Army Sandwich that Lasts for Years | Earth Lab | 292,398 | |
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| 148. | How Does Canned Food Last So Long? | Earth Lab | 292,275 | |
|
| 149. | Are Cold Showers Good For You? | Earth Lab | 287,775 | Show |
|
| 150. | 360° Chinese Bitcoin Mine | Earth Lab | 286,932 | |
|
| 151. | Toilet Seat Up Or Down? | Earth Lab | 283,351 | |
|
| 152. | How Earth's Oceans Turned Blood Red | Earth | BBC Earth Lab | 283,284 | |
|
| 153. | How Do Telescopes Work? | Earth Lab | 280,000 | |
|
| 154. | How does a Snail SOUND when Feeding? | Earth Lab | 279,758 | |
|
| 155. | Why Do Boomerangs Come Back? | Earth Lab | 274,683 | |
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| 156. | Do You Do Your Laundry Often Enough? | Earth Lab | 274,457 | |
|
| 157. | Leeches Are A Walking Blood Bank | Save Our Species | BBC Earth | 272,040 | |
|
| 158. | Can Humans Create an Earthquake? | Secrets of Everything | Earth Lab | 271,217 | |
|
| 159. | Gross! James May Explains Where Snot Comes From | Earth Lab | 269,838 | |
|
| 160. | What Happens When You're Drunk? | Earth Lab | 268,273 | |
|
| 161. | Why Does Altitude Affect Temperature? |James May's Q&A | Earth Lab | 265,834 | |
|
| 162. | Getting shot wearing a bulletproof vest? EXTRAS | James May's Q&A | Head Squeeze | 263,622 | |
|
| 163. | Why do we have EYEBROWS? I Greg Foot I Head Squeeze | 260,355 | |
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| 164. | How Do Magnets Work? | Earth Lab | 258,377 | |
|
| 165. | How to find your perfect partner! I Head Squeeze | 252,664 | Guide |
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| 166. | The Planet That Rains Diamonds | The Planets | Earth Lab | 250,032 | |
|
| 167. | Why do we get headaches? | Head Squeeze | 248,390 | |
|
| 168. | This Is What Happens To Your Suitcase After Check-In | City in the Sky | BBC Earth Science | 246,245 | |
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| 169. | What is an itch? | Head Squeeze | 243,744 | |
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| 170. | James May Hates Energy Saving Light Bulbs! I James May Q&A Extras I Head Squeeze | 241,655 | |
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| 171. | Satellite Navigation: HOW does it Work? | Earth Lab | 241,613 | |
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| 172. | The Strange and Secret World of Dinosaurs | BBC Earth Science | 237,428 | |
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| 173. | How Do Barcodes Work | Earth Lab | 234,589 | |
|
| 174. | Discovering Jupiter | BBC Earth Science | 234,505 | |
|
| 175. | Prepare to have your head squozen! | Head Squeeze | 233,738 | |
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| 176. | Can You Hear A Hum? | Earth Lab | 230,357 | |
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| 177. | HIIT Get Fit In 60 Seconds | Earth Lab | 228,168 | |
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| 178. | Newton's Light Spectrum Experiment | Earth Lab | 227,491 | |
|
| 179. | Are Cities Smart or Stupid? (ft Jay Foreman) | The Big Question | Earth Lab | 225,084 | |
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| 180. | Why Do Trees Have Rings? | Earth Lab | 223,854 | |
|
| 181. | How was the Eiffel Tower built? I Head Squeeze | 223,542 | |
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| 182. | Is It Better for You to Run Outdoors or on a Treadmill? | Earth Lab | 221,844 | |
|
| 183. | Can You Survive A Falling Lift? | Secrets of Everything | Earth Lab | 221,436 | |
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| 184. | The Rarest Pigment in the World | Colour the Spectrum of Science | BBC Science | 220,577 | |
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| 185. | What Is The Singularity? | Earth Lab | 219,017 | |
|
| 186. | The 'Shocking' New Predators Targeting Lionfish | Save Our Species | BBC Earth Science | 217,859 | |
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| 187. | Where does the atmosphere end? | Head Squeeze | 217,677 | |
|
| 188. | What Diseases Frozen in Ice could be Hidden in our Glaciers? | Earth Lab | 215,624 | |
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| 189. | How Do 3D Films Work? | Earth Lab | 215,128 | |
|
| 190. | How Does Facial Recognition Work? | Earth Lab | 214,038 | |
|
| 191. | The World's Most Stunning Natural Phenomena | BBC Earth Science | 212,822 | |
|
| 192. | How To Pour The Perfect Pint! | Earth Lab | 211,409 | Guide |
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| 193. | Can You Cure Colourblindness? | Earth Lab | 209,107 | |
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| 194. | Is Microwaving Your Food Dangerous? | Earth Lab | 208,415 | |
|
| 195. | How Does... With James May | BBC Science | 206,992 | |
|
| 196. | Why do we LAUGH? | James May's Q&A | Head Squeeze | 205,282 | |
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| 197. | Do Protein Shakes Work? | Earth Lab | 198,999 | |
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| 198. | Saturn: The Solar System’s Greatest Jewel | BBC Earth Science | 198,924 | |
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| 199. | Robot Milk: How Intelligent Machines Are Revolutionising Cow Farming | Earth Lab | 197,778 | |
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| 200. | Where Do Waves Come From? Earth Lab | 197,172 | |
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