Babies crawl an average of 200m a day.
212
Only about 2% of the world population has green eyes.
36
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Children's sense of smell is better than adults'.
860
The most dangerous job in the United States is that of an Alaskan Crab Fisherman.
65