There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
Yawns are more contagious among people with closer relationships.
163
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Men laugh longer, louder, and more often than women.
61
Women mature much faster than men.
1k
The average American spends a third of their overall time online playing games and using social networks.
298
Babies that are breastfed are more likely to be slimmer as adults than those that are not breastfed.
110
A hard working adult sweats up to 4 gallons per day.
39