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
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
More than half the population of Kenya is under the age of 15.
71
40% of people who are rejected in romantic love slip into clinical depression.
72
Americans collectively eat one hundred pounds of chocolate every second.
60
The average person walks the equivalent of twice around the world in a lifetime
69