Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
2% of Europeans lack the genes for smelly armpits.
6
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
136
Studies show that financially stable men prefer smaller breasts.
16
A hard working adult sweats up to 4 gallons per day.
39