There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
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
We share 70% of our DNA with a slug.
218
Early American humans hunted car-size armadillos and used their shells for houses.
12
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Gorillas can catch human colds and other illnesses.
205
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
On average a woman has 4 sexual partners in her lifetime.
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