World's Roundest Object!
19:25
The Explosive Element That Changed The World
9:58
O kg está morto, vida longa ao kg
24:39
Testing the US Military’s Worst Idea
11:17
Os lugares mais radioativos da Terra
17:37
A Ciência das Bolas
13:06
HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?
18:32
The world depends on a collection of strange items. They're not cheap
19:26