Bigger cities boost 'social crimes'

As cities grow in size, crime grows even faster. But while certain types of crime—car theft and robbery, for example—exponentially outpace the population, other crime categories buck the trend. Rape, for example, grows ...

Solving the pancake problem

If you swirl a glass of wine clockwise, the wine inside will also rotate clockwise. But, if you're making a blueberry pancake and you swirl the pan clockwise, the pancake will rotate counterclockwise. Don't believe us? Go ...

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