Pumice is the only rock that floats on water.
14
Nearly 50% of the world's scientists are assigned to military projects.
71
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The sun is 330,330 times larger than the earth.
75
German chemists made a replica of a trophy the size of one molecule.
68