The human body contains over a billion miles of DNA.
147
Human hair and fingernails continue to grow after death.
7
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
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
Early American humans hunted car-size armadillos and used their shells for houses.
12
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
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