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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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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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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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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The force of a suction cup is calculated using F=AP.
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Sound travels about 4 times faster in water than in air.
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