In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The average sperm cell swims at 8 inches per hour.
76
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 human sigh acts as a physiological reset button.
23
Your heart will pump about 212 million liters in its lifetime.
26
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111