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.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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Some toothpastes and deodorants contain the same chemicals found in antifreeze.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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Aluminum used to be more valuable than gold!
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