If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10
Americans did not commonly use forks until after the Civil War.
82
The Japanese commonly put ketchup on their rice.
16
The Japanese, on average, are the shortest people.
320
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