The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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Out of all the senses, smell is most closely linked to memory.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Pumice is the only rock that floats on water.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
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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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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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