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
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
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
Babies that are breastfed are more likely to be slimmer as adults than those that are not breastfed.
110
The single biggest predictor of love is proximity.
30
The average person laughs 13 times a day!
108
Yawns are more contagious among people with closer relationships.
163
