Diamonds can be shattered with a hammer.
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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
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Iron weighs more after it rusts.
68
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17