Richard Rusczyk, founder of Art of Problem Solving, has a vision for bringing “joyous, beautiful math” — and problem-solving — to classrooms everywhere. When Richard Rusczyk became interested in math ...

Across the nation, kids are heading back to school. It’s an exciting time. I remember both the joy and the nervousness that came with my now twin 13-year-olds' first starting school. In fact, one day ...

Working memory is like a mental chalkboard we use to store temporary information while executing other tasks. Scientists worked with more than 200 elementary students to test their working memory, ...