One in 500 humans has one blue eye and one brown eye.
145
More than half the population of Kenya is under the age of 15.
71
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
Children grow faster in the springtime than any other season during the year.
108
Forty percent of Americans have never visited a dentist.
33
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223