A man's beard grows fastest when he anticipates sex.
239
One human hair can support 3 ounces.
191
Gorillas can catch human colds and other illnesses.
205
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
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
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13