In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
The human body contains over a billion miles of DNA.
147
Your fingernails grow faster in summer.
744
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The average person's skin weighs twice as much as their brain.
131
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14