Nearly 50% of the world's scientists are assigned to military projects.
71
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
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A cesium atom in an atomic clock beats over nine billion times a second.
43
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
No matter how cold it gets, gasoline will not freeze.
107
Cold water weighs more than hot water.
93