Americans collectively eat one hundred pounds of chocolate every second.
60
One in 500 humans has one blue eye and one brown eye.
145
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
According to Harris Interactive, 70% of men and 57% of women shower daily.
75
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Intelligent people have more zinc and copper in their hair.
233
More redheads are born in Scotland than in any other part of the world.
85