The average person's skin weighs twice as much as their brain.
131
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
You forget 90% of your dreams.
256
The average person will go on a date at least 100 times before they finally marry.
33
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
One human hair can support 3 ounces.
191