More people have a phobia of frogs than rats.
41
There are about 1,400 different species of bacteria in your belly button.
10
Banging your head against a wall uses 150 calories an hour.
57
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
If you unfolded your brain, it would cover an ironing board.
42
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5