Men fall in love faster than women do.
32
As many as one third Americans flush the toilet while they are still on it.
157
Yawns are more contagious among people with closer relationships.
163
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Identical twins do not have identical fingerprints.
79
The average person walks the equivalent of twice around the world in a lifetime
69