Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
Sound travels about 4 times faster in water than in air.
408
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Pumice is the only rock that floats on water.
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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
Real diamonds do not show up on x-ray.
36
If two pieces of metal touch in space, they become permanently stuck together.
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