Educational apps always seem impressive at first. Parents see the bright screens, the cheerful voices, and the promises about faster learning. It feels like these apps should help kids pick up letters ...

Those of us who grew up coloring remember the cardinal rule: stay inside the lines. But those who pick up the Patterns of the Universe coloring book have to stay in the sines (and cosines and tangents ...

A year after he started his Ph.D. in mathematics at McGill University, Matt Bowen had a problem. “I took my qualifying exams and did absolutely horribly on them,” he said. Bowen was sure that his ...

Coloring has quietly reemerged as more than a nostalgic childhood activity. In recent years, it has become a widely embraced ...