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
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
If two pieces of metal touch in space, they become permanently stuck together.
808
A human being loses an average of 40 to 100 strands of hair a day.
133
Drinking watermelon juice before a workout helps reduce muscle soreness.
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