Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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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
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13