According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Men fall in love faster than women do.
32
2% of Europeans lack the genes for smelly armpits.
6
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22