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Decorated skin—ouch!

It hurts to cut the skin or stick a pin in it. But some people don’t care how much it hurts, if they think it makes them look beautiful! In Mozambique, on the eastern coast of Africa, there are…

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Mathemagic

The strange row of numbers

Just for fun, a mathematician once made up a puzzle about rabbits. It went like this. Suppose that you have a boy rabbit and a girl rabbit. Each month, your pair of rabbits has a boy rabbit and a…

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People and the sea

The challenge of the sea

> The sea is a place of danger. For this very reason, it is also a > challenge. People are willing to defy its dangers, to risk their > lives, so as to conquer it in some way. And many of them have…

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