Mathematical mysteries have challenged humanity’s most powerful thinkers and inspired passionate, lifelong obsessions in search of answers. From the strangeness of prime numbers and the nature of infinity, to the turbulent flow of fluids and the geometry of hyperspace, mathematics is our most potent tool for revealing immutable truths.

World Science Festival co-founder Brian Greene and seven-time Emmy Award–winner Alan Alda muse on Einstein’s Theory of Relativity in a post-performance discussion after a reading of Alda’s play “Dear Albert.”

Music students download the technique of their favorite pianist or singer directly into their brains. Medical students download the skills of a seasoned surgeon or diagnostician. And each one of us routinely uploads our thoughts and memories to the digital cloud.

Icarus at the Edge of Time is a mesmerizing tale set in outer space about a boy who challenges the awesome might of a black hole. Based on the children’s book by physicist Brian Greene, this futuristic re-imagining of the classic myth takes audiences of all ages on a whirlwind voyage through space and time to the very edge of understanding.

What’s it like to face a faceless world? Acclaimed neurologist Oliver Sacks once apologized for almost bumping into a large bearded man, only to realize he was speaking to a mirror.

Using brainwaves to send a Tweet, biomechanical engineer Adam Wilson demonstrates how neural prosthetic devices can allow people with motor disabilities to communicate with the outside world. Episode filmed live …