The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
City dwellers have longer, thicker, denser nose hairs than country folks do.
48
All babies are color blind when they are born.
114
One in 500 humans has one blue eye and one brown eye.
145
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Women rate men more attractive if other women are looking and smiling at him.
17
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
2% of Europeans lack the genes for smelly armpits.
6