One ball on a Plinko board is unpredictable. Drop a thousand and they form a near-perfect bell curve—one of math’s most powerful ideas for 150+ years.

Whether you have pages of details for a work or school project, artificial intelligence can help you organize, summarize, and leverage your ideas more efficiently. These are the AI-infused note-taking ...

Amberlee Honsaker helps her daughter, Raegan, with math. Amberlee Honsaker remembers learning only one way to add or subtract in elementary school. It was the standard algorithm: stack numbers ...