Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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No matter how cold it gets, gasoline will not freeze.
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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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The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
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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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When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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Cold water weighs more than hot water.
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