Males sweat 40% more than females.
104
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
Intelligent people have more zinc and copper in their hair.
233
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
Only 2% of the Earth's population are natural redheads.
13
Every human spent about half an hour as a single cell.
144
People with blue eyes are better able to see in the dark.
153
Americans will spend more on cat food this year than baby food.
32