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
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
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35% of the people using personal ads for dating are already married!
23
You can only remember 4 things at a time.
31
Men laugh longer, louder, and more often than women.
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In one day an average person will take about 18,000 steps.
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