One 75-watt bulb gives more light than three 25-watt bulbs.
57
Your brain is 80% water.
525
A cesium atom in an atomic clock beats over nine billion times a second.
43
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
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
Indoor pollution is 10 times more toxic than outdoor pollution.
62