Math difficulty is still not well understood. But a systems approach may lead to advances in diagnosis and treatment.

Two of four tested giraffes seemed to be able to mentally combine numbers to get one of their favorite treats: carrots. But ...

This requires an algorithm: students are taught to stack one number atop another and multiply each digit of the bottom number ...

AI shifts our focus from "how" to build skills to "whether" to learn them. By eliminating cognitive friction, it silently ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...