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.
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You can only remember 4 things at a time.
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Nearly 30% of female lottery winners hide their winning ticket in their bras.
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The average bra size today is 36C. Ten years ago it was 34B.
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Women end up digesting most of the lipstick they apply.
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Roughly a quarter of the world's people live in China.
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