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How can you have a proof without proving anything? Mathematicians found a way and, in the process, came to blows over it – ...

Math classrooms shifted over time to the discovery model. Not suddenly, and not without good intentions. There was a ...

Dylan Kane likes his math curriculum. But there’s one important piece missing, he says. The 7th grade math teacher in Leadville, Colo., uses a program that teaches math skills through real-world ...

In general relativity, closed timelike curves can break causality with remarkable and unsettling consequences. At the classical level, they induce causal paradoxes disturbing enough to motivate ...

Quantum computers would be exceptionally fast at a few specific tasks, but it appears that for most problems they would outclass today's computers only modestly. This realization may lead to a new ...