When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Scientists aren't sure what color dinosaurs were.
312
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118