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
In one day an average person will take about 18,000 steps.
55
The most recorded orgasms in an hour were 134 for one woman and only 16 for a man.
192
Only 2% of the Earth's population are natural redheads.
13
The average bra size today is 36C. Ten years ago it was 34B.
266
Half of all Americans over the age of 55 have no teeth.
39
Children's sense of smell is better than adults'.
860
