India used to be the richest country in the world until the British invasion in the early 17th Century.
37
Human teeth are almost as hard as rocks!
47
It takes about 20 seconds for a red blood cell to circle the whole body.
102
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Only 1% of bacteria cause disease in humans!
2
The average person who stops smoking requires one hour less sleep a night.
79
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38