Have you ever tried to do the brainteaser below, where you have to connect the dots to make the outline of a house in one continuous stroke without going back over your lines? Or perhaps you've ...

As an undergraduate at the University of Chile, Bernardo Subercaseaux took a dim view of using computers to do math. It seemed antithetical to real intellectual discovery. “There’s some instinct or ...

Simon focuses on two challenging problems: Tarsi's Conjecture and Stanley's Tree Isomorphism Conjecture. Tarsi's Conjecture, a type of graph coloring problem, asks whether a special class of graphs ...