Indoor pollution is 10 times more toxic than outdoor pollution.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
One cubic foot of gold weighs more than 1,200 pounds!
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Scientists are now able to grow 'beating' heart tissue in a lab!
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Hot water can freeze faster than cold water.
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The sun is 330,330 times larger than the earth.
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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
One 75-watt bulb gives more light than three 25-watt bulbs.
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