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
Roughly a quarter of the world's people live in China.
50
Humans blink over 10,000,000 times a year!
97
A hard working adult sweats up to 4 gallons per day.
39
Americans collectively eat one hundred pounds of chocolate every second.
60
You share your birthday with at least 9 other million people in the world.
201
The most dangerous job in the United States is that of an Alaskan Crab Fisherman.
65
Two in five people in the world marry their first love.
270