For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Your fingernails grow faster in summer.
744
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
Gorillas can catch human colds and other illnesses.
205
Pain occurs when sounds are above 130 db.
124
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Mushrooms are more closely related to humans than they are to plants.
47