PBS NOVA Podcasts & Documentaries

Einstein's Dream: Eleven dimensions, parallel universes, and a world made out of strings. It's not science fiction, it's string theory.

A two-hour special from the producers of "Making Stuff"

Trace human development from embryo to newborn through stunning microimagery.

Eleven dimensions, parallel universes, and a world made out of strings. It's not science fiction, it's string theory.

We are on the verge of answering one of the greatest questions in history: Are we alone?

It defines our lives, but what is time really? Have a look into its true nature.

Eleven dimensions, parallel universes and a world made out of strings. It's not science fiction, it's string theory.

Take a wild ride into the quantum realm, where even the impossible seems possible.

Is our universe unique, or could it be just one in an endless "multiverse"?

Surprising clues indicate that space is very much something and not nothing.