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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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Liquid TIDE laundry detergent glows under a blacklight.
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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.
12
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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