The human body contains over a billion miles of DNA.
147
2% of Europeans lack the genes for smelly armpits.
6
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
There are more than 150 million sheep in Australia, and only some 20 million people.
247
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
There are more chickens than people in the world.
325
There are six times as many people of Irish descent living in America than in Ireland.
15