If you've ever been lost, you've experienced the frustrations of folding up a map. L. Mahadevan, a professor of applied mathematics at Harvard University, has studied wrinkles and folds, and joins ...

The Partnership for 21st Century Skills (P21) has released the Math Skills Map, latest in its series of 21st century skills maps for core academic subjects. It was developed in collaboration with the ...

ELIZABETH VAN HEUVELEN is a senior economist in the IMF’s Strategy, Policy, and Review Department. Opinions expressed in articles and other materials are those of the authors; they do not necessarily ...

Every mathematician has a story that goes something like this. You’re at a party, and someone asks what you do for a living. “I’m a mathematician,” you say. “You must be a genius!” they reply. Or ...

During the 18th century the denizens of the Prussian city of Königsberg wrestled with a puzzle: How could they find a walking path through the city that crossed each of its storied seven bridges ...