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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Our Right Lungs takes more air than our left lung.
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The human body contains over a billion miles of DNA.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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Human hair and fingernails continue to grow after death.
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