In zero gravity, a candle's flame is round and blue.
16
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Billions of neutrinos pass unnoticed through your body every second.
6
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
A cesium atom in an atomic clock beats over nine billion times a second.
43
Iron weighs more after it rusts.
16
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304