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
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
Infants spend more time dreaming than adults do.
102
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Most people smile when they are frustrated, according to a study.
15
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15