Every human spent about half an hour as a single cell.
144
Touching a teddy bear can make people feel less lonely.
36
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
Roughly a quarter of the world's people live in China.
50
More than half the population of Kenya is under the age of 15.
71
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