Want to watch better-quality PBS Video? Sign in to access HD streaming!
Follow math from Pythagoras to Einstein and beyond, all leading to the ultimate riddle: Is math an invention or a discovery? Shed light on how math works in our brains and ponder the ultimate mystery of why it works so well for decoding the universe.
Upgrade Your Viewing Experience
This video is available to CallSign viewers with a Passport account. Passport gives you access to a wealth of premium content not previously available online, including full seasons of your favorite shows.