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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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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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
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A ball of glass will bounce higher than a ball made of rubber.
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Pure water (H2O) does not conduct electricity on its own.
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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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For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
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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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