The human brain doesn't stop developing until about 25 years old.
102
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Obsessive nose picking is called Rhinotillexomania.
101
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
Yawns are more contagious among people with closer relationships.
163
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Babies crawl an average of 200m a day.
212