Listeners contacted us to correct the answer to a clue from last week's puzzle, giving NPR's Ayesha Rascoe and Weekend Edition puzzlemaster Will Shortz a lesson in trigonometry. OK, so hold on, Will.

The 53 teachers gathered around tables here have been called to a new kind of jury duty. But they won’t be deciding whether a fellow citizen is guilty of a crime: Their charge is to pass judgment on ...

Can robots teach math? That's what RobotsLab is promoting with the release of its latest robotics product, the Box, a kit of hardware and curriculum intended to teach Algebra 1 and 2, physics, ...