Your brain is 80% water.
525
The force of a suction cup is calculated using F=AP.
15
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Pumice is the only rock that floats on water.
14
Iron weighs more after it rusts.
68
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21