Cold water weighs more than hot water.
93
Nearly 50% of the world's scientists are assigned to military projects.
71
German chemists made a replica of a trophy the size of one molecule.
68
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310