We share 70% of our DNA with a slug.
218
The human body contains over a billion miles of DNA.
147
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Obsessive nose picking is called Rhinotillexomania.
101
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
You can't tickle yourself.
29
