Flu shots only work about 70% of the time.
18
The first patented condom was meant to be reused!
47
Sex burns about 360 calories per hour.
860
The human body contains over a billion miles of DNA.
147
You see your nose at all times, your brain just chooses to ignore it.
30
The right lung takes in more air than the left.
30
Fidgeting can burn about 350 calories a day.
201