Obsessive nose picking is called Rhinotillexomania.
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There are about 255 babies born worldwide every minute.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Enamel is hardest substance in the human body.
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Every human spent about half an hour as a single cell.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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The human body contains over a billion miles of DNA.
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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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