In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
A person can live without food for about a month, but only about a week without water.
156
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The average person will go on a date at least 100 times before they finally marry.
33
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15