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
The average sperm cell swims at 8 inches per hour.
76
The human brain uses approximately as much energy as a 10 watt light bulb.
120
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
There's 100 trillion good bacteria living in your body.
17
The human sigh acts as a physiological reset button.
23
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127