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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The human brain is more active during sleep than during the day.
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Obsessive nose picking is called Rhinotillexomania.
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Poor eyesight (myopia) is associated with higher IQ.
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There are about 255 babies born worldwide every minute.
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Our Right Lungs takes more air than our left lung.
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