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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
You forget 90% of your dreams.
256
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
