When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
In the average lifetime a person will breath in about 44 pounds of dust.
21
Enamel is hardest substance in the human body.
61
Only 1% of bacteria cause disease.
45
If your DNA was stretched out it would reach to the moon 6,000 times.
256
You can alleviate a tickly throat by scratching your ear.
9
Motorists who talk on cell phones are more impaired than drunk drivers with blood-alcohol levels exceeding .08!
49