On average a woman has 4 sexual partners in her lifetime.
-143
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
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
The average single man is one inch shorter than the average married man.
88
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3
City dwellers have longer, thicker, denser nose hairs than country folks do.
48