During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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No matter how cold it gets, gasoline will not freeze.
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One cubic foot of gold weighs more than 1,200 pounds!
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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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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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Nylon is made from coal and petroleum.
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