What just happened? A group of mathematicians created a "new" polygon previously known to exist only in theory. It's a 13-sided shape that they dubbed "the hat," even though it only vaguely resembles ...

Growing up, Tai-Danae Bradley had no love for math. In 2008, she entered the City College of New York, where she played for the basketball team and hoped to start a career in sports nutrition. She saw ...