Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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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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Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern 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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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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Pumice is the only rock that floats on water.
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