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
Every workday, 6.7 million people commute to Manhattan!
26
In 75% of American households, women manage the money and pay the bills.
97
Intelligent people have more zinc and copper in their hair.
233
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
The world's youngest parents were 8 and 9 and lived in China in 1910.
130