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
The average American eats at McDonalds more than 1,800 times in their life.
52
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
40% of people who are rejected in romantic love slip into clinical depression.
72
Men fall in love faster than women do.
32
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Two in five people in the world marry their first love.
270
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13