The world's shortest man measures only 21.5 inches.
73
There are two credit cards for every person in the United States.
2
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194
About 3000 years ago, most Egyptians died by the time they were 30!
18
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
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
Women mature much faster than men.
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85% of movie actors earn less than $5,000 a year from acting!
20