Men laugh longer, louder, and more often than women.
61
More than half the population of Kenya is under the age of 15.
71
Every three seconds, a new baby is born.
122
Only 2% of the Earth's population are natural redheads.
13
People with blue eyes are better able to see in the dark.
153
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
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
Over 50% of lottery players go back to work after winning the jackpot.
71