Your brain is 80% water.
525
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The only letter not appearing on the Periodic Table is the letter "J".
180
Sound travels fifteen times faster through steel than through air.
134
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