Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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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
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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Most dust particles in your house are made from dead skin!
67
According to studies, men change their minds two to three times more often than women.
72
Scientists are now able to grow 'beating' heart tissue in a lab!
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