The average person's skin weighs twice as much as their brain.
131
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The average sperm cell swims at 8 inches per hour.
4
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Your heart will pump about 212 million liters in its lifetime.
26
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
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 one day, adult lungs move about 10,000 litres of air.
11