In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Held in farts enter your bloodstream and are bad for your body.
26
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
A human being loses an average of 40 to 100 strands of hair a day.
133
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
There are about 1,400 different species of bacteria in your belly button.
10