The human body contains over a billion miles of DNA.
147
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
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
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89