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 ...

It’s easy to take maps for granted. After all, most of us have a pretty good map in our pockets at all times, ready to show us how to get anywhere on the globe. But to make a map useful, you have to ...