76% of Americans celebrate New Year's Eve in groups of less than 20.
55
Roughly a quarter of the world's people live in China.
50
Identical twins do not have identical fingerprints.
79
Intelligent men tend to be more sexually faithful.
31
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
A man named Charles Osborne had the hiccups for approximately sixty-nine years.
79
About 2/3 of American men prefer boxers to briefs.
83
Yawns are more contagious among people with closer relationships.
163