There are more bacteria in your mouth than there are people in the world.
60
Music has the ability to repair brain damage and return lost memories.
62
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
In Nepal, cow dung is used for medicinal purposes.
19
Your heart rate can rise as much as 30% during a yawn.
69
Banging your head against a wall uses 150 calories an hour.
57
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
Only 1 person in 2 billion will live to be 116.
49