Will Kinney joins Brian Greene to explore whether leading-edge cosmological theories can avoid a beginning to time. This program is part of the Big Ideas series, supported by the John …

Winner of the 2020 Nobel Prize in Physics, Sir Roger Penrose joins Brian Greene to share insights into black holes, general relativity, quantum mechanics, the mathematical road toward reality, the …

Nearly every culture throughout history has used chemicals that alter consciousness for spiritual exploration. In the 20th century these drugs caught the attention of scientists. Psychedelics, as they were named, …

Renowned cosmologist David Spergel joins Brian Greene to discuss the triumphs and tensions of precision cosmology, exploring remarkable successes as well as persistent discrepancies bedeviling current understanding. This program is …

National Geographic Society Explorer-in-Residence Dr. Sylvia A. Earle is an oceanographer, explorer, author, and lecturer who has been called a “Living Legend” by the Library of Congress and “Hero for …

When listing clean renewable energy sources, solar, wind, and geothermal come to mind. But thanks to new reactor technologies, there’s a transformation afoot.