| 101. | Is Running Barefoot Better For You? | Earth Lab | 5,120 | |
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| 102. | How does a Snail SOUND when Feeding? | Earth Lab | 5,103 | |
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| 103. | Why are we afraid of heights? | James May's Q&A (Ep 29) | Head Squeeze | 5,094 | |
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| 104. | Breaking the Sound Barrier Without a Plane | Earth Lab | 5,028 | |
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| 105. | The Best Method for Removing Warts | Earth Lab | 4,976 | |
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| 106. | Why Do Leaves Cause Train Delays? | Bang Goes The Theory | Earth Lab | 4,889 | |
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| 107. | Is Cracking Your Knuckles Bad For You? | Earth Lab | 4,754 | |
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| 108. | How Does Touchscreen Work? | BRITLAB | 4,748 | |
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| 109. | How Do Telescopes Work? | Earth Lab | 4,703 | |
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| 110. | The Gadget That Changed How We See The World | Cell | BBC Earth Science | 10,636 | |
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| 111. | Are E-Cigarettes Safe? | Earth Lab | 4,613 | |
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| 112. | What is PUS? | Head Squeeze | 4,586 | |
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| 113. | Why do Mosquitoes Prefer some people to others? | James May's Q&A | Head Squeeze | 4,354 | |
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| 114. | How do digital cameras work? | James May Q&A | Head Squeeze | 4,353 | |
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| 115. | How To Build A Time Machine | Weird Science | Earth Lab | 4,288 | Guide |
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| 116. | Why Do Boomerangs Come Back? | Earth Lab | 4,236 | |
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| 117. | How does your memory work? | Head Squeeze | 4,100 | |
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| 118. | How Does Canned Food Last So Long? | Earth Lab | 4,055 | |
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| 119. | How Do Glaciers Move? TIMELAPSE! | Earth Lab | 3,981 | |
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| 120. | What Will Humans Look Like In A Million Years? | Earth Lab | 3,935 | |
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| 121. | Why do mirrors flip things horizontally but not vertically? | James May Q&A | Head Squeeze | 3,932 | |
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| 122. | Time Lapse Pig Decomposition | Secrets of Everything | Earth Lab | 3,922 | |
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| 123. | What are binary numbers? | James May's Q&A (Ep 11100) | Head Squeeze | 3,887 | |
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| 124. | How Do Light Bulbs Work? | Earth Lab | 3,841 | |
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| 125. | When Did We Discover that Hydrogen Produces Water when Burned? | Earth Lab | 3,811 | |
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| 126. | The Man Who Couldn't Stop Eating | Earth Lab | 3,736 | |
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| 127. | The Army Sandwich that Lasts for Years | Earth Lab | 3,731 | |
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| 128. | EVOLUTION | Why Are There Still Monkeys? | BRITLAB | 3,721 | |
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| 129. | Do Protein Shakes Work? | Earth Lab | 3,719 | |
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| 130. | Geek Week | Free Runner's Epic Fall at the British Museum with Head Squeeze | 3,706 | |
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| 131. | A Dancing Disease KILLED People: The Dancing Plague Of 1518 | Earth Lab | 3,696 | |
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| 132. | What Causes Acne? | Earth Lab | 3,673 | |
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| 133. | Is this how aliens would rule the universe? | Weird Science | Earth Lab | 3,634 | |
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| 134. | How Does The Internet Find James May? | Earth Lab | 3,631 | |
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| 135. | How to get an egg inside a bottle | Live Experiments (Ep 28) | Head Squeeze | 3,615 | Tutorial |
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| 136. | DANGER! Throwing Water On Oil Fire | Earth Lab | 3,602 | |
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| 137. | What Came Before The Big Bang?| Weird Science | Earth Lab | 3,596 | |
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| 138. | How do spacesuits work? | James May Q&A | Head Squeeze | 3,559 | |
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| 139. | Has Anyone Been LOST IN SPACE? I James May Q&A Extras I Head Squeeze | 3,515 | |
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| 140. | How does a Hologram actually work? | Sci Guide (Ep 3) | Head Squeeze | 3,487 | Vlog |
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| 141. | How Do Barcodes Work | Earth Lab | 3,485 | |
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| 142. | Why Do You Get A Fever? | Earth Lab | 3,478 | |
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| 143. | How Geothermal Energy Revolutionised Iceland’s Greenhouses | Earth Lab | 3,456 | |
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| 144. | HIIT Get Fit In 60 Seconds | Earth Lab | 3,434 | |
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| 145. | Where Does Gold Come From? | Earth Lab | 3,398 | |
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| 146. | Why Does Altitude Affect Temperature? |James May's Q&A | Earth Lab | 3,382 | |
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| 147. | Can You Create Artificial Gravity? | Earth Lab | 3,341 | |
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| 148. | Where Do Waves Come From? Earth Lab | 3,308 | |
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| 149. | How Undersea Internet Cables Carry The Internet Across The Ocean | Earth Lab | 3,291 | |
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| 150. | Can Humans Create an Earthquake? | Secrets of Everything | Earth Lab | 3,286 | |
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| 151. | What are the Effects of Tablets and Smartphones on Babies’ Brains? | Babies: Their Wonderful World | 3,229 | |
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| 152. | What Diseases Frozen in Ice could be Hidden in our Glaciers? | Earth Lab | 3,211 | |
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| 153. | Is Farting Good For You? | Earth Lab | 3,188 | |
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| 154. | How Do Driverless Trains Work? | Bang Goes The Theory | Earth Lab | 3,168 | |
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| 155. | How Popular are You? | Head Squeeze | 3,164 | |
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| 156. | Do You Do Your Laundry Often Enough? | Earth Lab | 3,164 | |
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| 157. | James May Hates Energy Saving Light Bulbs! I James May Q&A Extras I Head Squeeze | 3,161 | |
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| 158. | What is an itch? | Head Squeeze | 3,126 | |
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| 159. | Is It Better for You to Run Outdoors or on a Treadmill? | Earth Lab | 3,079 | |
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| 160. | What Is The Singularity? | Earth Lab | 3,068 | |
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| 161. | Is bigger always better? | Head Squeeze | 3,065 | |
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| 162. | Making Water Fall Up? The Stroboscopic Effect | Earth Lab | 3,047 | |
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| 163. | How Do 3D Films Work? | Earth Lab | 3,044 | |
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| 164. | YOU Could Save A Life: How To Bandage A Deep Wound | Earth Lab | 3,036 | Guide |
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| 165. | Why Do Trees Have Rings? | Earth Lab | 3,019 | |
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| 166. | Getting shot wearing a bulletproof vest? EXTRAS | James May's Q&A | Head Squeeze | 2,981 | |
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| 167. | The Rarest Pigment in the World | Colour the Spectrum of Science | BBC Science | 5,360 | |
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| 168. | What Is Nuclear Energy? With Tom Scott | Earth Lab | 2,949 | |
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| 169. | Can You Hear A Hum? | Earth Lab | 2,936 | |
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| 170. | What Happens When You're Drunk? | Earth Lab | 2,901 | |
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| 171. | What Happens When You Die? | Earth Lab | 2,898 | |
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| 172. | Incredible Discoveries Of The James Webb Telescope | Universe Explorers | BBC Earth Lab | 2,878 | |
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| 173. | Could We Control Human OVER Population? | Earth Lab | 2,829 | |
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| 174. | Could We Clone Humans? | Earth Lab | 2,818 | |
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| 175. | How To Make Diesel From Plastic | Bang Goes The Theory | Earth Lab | 2,796 | Guide |
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| 176. | Can You Die with a Penny Dropped from a Building? | Earth Lab | 2,796 | |
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| 177. | Why do we get headaches? | Head Squeeze | 2,785 | |
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| 178. | Accents According to James May | Head Squeeze | 2,765 | |
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| 179. | Is Microwaving Your Food Dangerous? | Earth Lab | 2,759 | |
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| 180. | Guns for Left Handed people? | Head Squeeze | 2,747 | |
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| 181. | Newton's Light Spectrum Experiment | Earth Lab | 2,720 | |
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| 182. | What is a parallel universe? | Head Squeeze | 2,714 | |
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| 183. | How to find your perfect partner! I Head Squeeze | 2,705 | Guide |
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| 184. | Are You Getting Enough Sleep? | Earth Lab | 2,678 | |
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| 185. | Satellite Navigation: HOW does it Work? | Earth Lab | 2,672 | |
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| 186. | How Do Magnets Work? | Earth Lab | 2,648 | |
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| 187. | What is James May's favourite watch? EXTRAS | Head Squeeze | 2,634 | |
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| 188. | How To Make Gunpowder MORE Explosive | Earth Lab | 2,610 | Guide |
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| 189. | Is the Golden Ratio a Myth? | Earth Lab | 2,605 | |
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| 190. | Can You Cure Colourblindness? | Earth Lab | 2,594 | |
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| 191. | Why do men grow facial hair? | Greg Foot Answers | Head Squeeze | 2,585 | |
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| 192. | Why do we LAUGH? | James May's Q&A | Head Squeeze | 2,581 | |
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| 193. | Is Drinking Caffeine Good Or Bad For You? | Earth Lab | 2,562 | | Caffeine
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| 194. | Why does the leaning tower of Pisa lean? | Sci Guide with Jheni Osman | Head Squeeze | 2,551 | Guide |
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| 195. | Why do we have wisdom teeth? | Greg Foot Answers Your Questions (Ep 12) | Head Squeeze | 2,549 | |
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| 196. | Boiling Water Without Heat | Earth Lab | 2,421 | |
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| 197. | Is Telepathy Real? | Earth Lab | 2,416 | |
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| 198. | Coffee Without Caffeine | Greg Foot | Earth Lab | 2,392 | |
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| 199. | Are humans 250,000 years old? | Head Squeeze | 2,373 | |
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| 200. | What County Has the Biggest Debt Problem? | Earth Lab | 2,362 | |
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