A fetus develops fingerprints at eighteen weeks!
32
Every hour one billion cells in the body must be replaced.
17
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
The human body contains over a billion miles of DNA.
147
During menstruation, the sensitivity of a woman's middle finger is reduced.
47