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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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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The human brain is more active during sleep than during the day.
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It takes approximately 12 hours for food to entirely digest.
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On average a woman has 4 sexual partners in her lifetime.
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Babies crawl an average of 200m a day.
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Poor eyesight (myopia) is associated with higher IQ.
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The average person will go on a date at least 100 times before they finally marry.
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