One cubic foot of gold weighs more than 1,200 pounds!
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Pumice is the only rock that floats on water.
14
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
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
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
Nearly 50% of the world's scientists are assigned to military projects.
71
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42