Half of all Americans over the age of 55 have no teeth.
39
Most people smile when they are frustrated, according to a study.
15
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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Humans blink over 10,000,000 times a year!
97
Malaysians protect their babies from disease by bathing them in beer.
-15
Intelligent people have more zinc and copper in their hair.
233