Psychologically safe classrooms where students trust their teachers can help them learn, writes this letter to the editor.

Subscribe to Scientific American to learn and share the most exciting discoveries, innovations and ideas shaping our world ...

Math meets magic! 🧠✨ This cool mathematical trick uses numbers to create a surprising and impossible result. No calculators, no complicated formulas—just smart logic that feels like real magic.

Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more.