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Add Yahoo as a preferred source to see more of our stories on Google. The Pythagoras Cup, Greece’s ancient “greedy cup,” offers a playful way to explore Greek wine, Samos, Santorini, history, tourism ...

Anyone who has taken high-school math classes has heard of the Pythagorean theorem (even if you don’t remember exactly what it was). Most people also remember that it was named after Pythagoras, an ...

A cup that has potassium hidden inside so it explodes when you get too greedy More customers complain about questionable electric bills A 57-meter tsunami hit Japan after a mountain suddenly gave way ...

Pour wine into a Pythagoras Cup and everything seems normal, until you get greedy. Fill the ancient Greek vessel past its hidden line, and the cup does something no ordinary wine glass would dare: it ...