(This program is no longer available for online streaming.) Revisit "The Great Math Mystery," fresh from the archives and just nominated for an Emmy Award. Join NOVA on a mathematical mystery tour—a ...

In an entertaining and effective math primer, two children solve a haunted house's riddles using algebra. "The two sides of each equation are balanced. They're equal," Adler explains, before ...

Almost thirty years ago, a group of physicists noticed some of the most important numbers in mathematics appearing where they didn’t seem to belong. A new proof finally explains why they’re there. The ...

Brain teasers are puzzles that challenge your mind and make you think in new ways. They are designed to test your problem-solving skills and often require you to look at things differently. Whether it ...