Hannah Larson is obsessed with understanding what happens when two or more mathematical objects intersect. Larson, a mathematician at the University of California, Berkeley, and a research fellow at ...

On a crisp fall New England day during my junior year of college, I was walking past a subway entrance when a math problem caught my eye. A man was standing near a few brainteasers he had scribbled on ...

You have most likely encountered one-sided objects hundreds of times in your daily life – like the universal symbol for recycling, found printed on the backs of aluminum cans and plastic bottles. This ...