Can’t calculate a tip or balance your checkbook? Take heart. Maybe you can blame your brain — specifically, the parietal cortex in the top back part of the head. It could be a problem that has roots ...
Back in 2019, Po-Shen Loh—an associate professor at Carnegie Mellon University and national coach of the U.S. International Mathematics Olympiad—taught the world a new way of solving quadratic ...
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