Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Sound travels about 4 times faster in water than in air.
408
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155