Not long ago, the idea of a computer beating a human at chess was the stuff of science fiction. But some of the most creative programmers of the 1980s and 90s were determined to make it a reality. And they did.

Search and rescue robots are able to go into places humans can’t and shouldn’t…this is the cool job of roboticist Edwin Olson who now makes autonomous shuttles. Episode filmed live …

For this year’s inaugural address, “The Future of Big Science,” Nobel laureate and physicist Steven Weinberg considers the future of fundamental physics, especially as funding for basic research is reduced. Weinberg will explore physics’ small origins, starting with the discovery of the atomic nucleus 100 years ago by a single scientist.

In celebration of the 100th anniversary of Einstein’s general theory of relativity, we examine its essential insights, its lingering questions, the latest work it has sparked, and the allied fields of research that have resulted.

Reader’s Digest has called “Mathemagician” Arthur Benjamin “America’s Best Math Whiz.” Returning in an encore presentation, Arthur Benjamin displays feats of mental mathematical gymnastics and shares the secrets behind his skills.

Nobel Laureate John Mather joins Brian Greene for an in-depth discussion of evidence establishing the big bang as well as recent observations of the James Webb Space Telescope raising questions …