Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
If you're over 100 years old, there's an 80% chance you're a woman.
143
Males sweat 40% more than females.
104
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Women have a slightly higher average IQ than men.
164