The sun is 330,330 times larger than the earth.
75
Pumice is the only rock that floats on water.
14
A ball of glass will bounce higher than a ball made of rubber.
73
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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
Sound at the right vibration can bore holes through a solid object.
134