The average single man is one inch shorter than the average married man.
88
Roughly a quarter of the world's people live in China.
50
People with blue eyes are better able to see in the dark.
153
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Babies crawl an average of 200m a day.
212
2% of Europeans lack the genes for smelly armpits.
6