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
Half of all Americans over the age of 55 have no teeth.
39
People in parts of Western China put salt in their tea instead of sugar.
16
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
On average women can hear better than men.
170