People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
On average a woman has 4 sexual partners in her lifetime.
-143
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
Humans blink over 10,000,000 times a year!
97
In Korea, a child’s first birthday is the most important. In one part of the celebration, several items are placed on a table. The one that the baby picks up first is said to predict their future.
13
Only about 2% of the world population has green eyes.
36
The average American consumes 9 pounds of food additives every year.
6