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Two US high school girls rewrite 2,000 years of mathematics with a new Pythagorean proof once thought untouchable

For centuries, the Pythagorean Theorem has occupied a unique position in mathematics: both elementary and profound. Its ...

Curvature is key to the shape and size of the universe

Positive curvature, like that on a sphere, implies a finite universe, while zero curvature, as on a flat plane or negative ...

Quote of the day by Pythagoras: 'There is nothing so easy but that it becomes difficult when you do it...'

Ancient Greek philosopher Pythagoras, renowned for the Pythagorean Theorem, believed numbers unlocked the universe's order.