Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
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Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
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Men laugh longer, louder, and more often than women.
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Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
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Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
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