A cubic yard of air weighs about 2 pounds at sea level.
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Balsa wood is classified as a hard wood!
41
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
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
Sound at the right vibration can bore holes through a solid object.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Scientists aren't sure what color dinosaurs were.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18