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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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Some toothpastes and deodorants contain the same chemicals found in antifreeze.
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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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In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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