In one day, adult lungs move about 10,000 litres of air.
11
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.
15
Early American humans hunted car-size armadillos and used their shells for houses.
12
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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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The average person will go on a date at least 100 times before they finally marry.
33
Your heart will pump about 212 million liters in its lifetime.
26
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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