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
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
Humans blink over 10,000,000 times a year!
97
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Approximately 70,000 people in the U.S. are both blind and deaf!
7