Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The first patented condom was meant to be reused!
47
One out of 20 people have an extra rib.
66