47% of people have a nightmare at least once a month.
186
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
Infants spend more time dreaming than adults do.
102
Only about 2% of the world population has green eyes.
36
Babies crawl an average of 200m a day.
212
91% of Americans eat turkey on Thanksgiving.
197
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15