Every human spent about half an hour as a single cell.
144
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
Americans will spend more on cat food this year than baby food.
32
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
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
People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
13
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
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18