If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The average American consumes 9 pounds of food additives every year.
6
More than half the population of Kenya is under the age of 15.
71
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
The average single man is one inch shorter than the average married man.
88
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
