We spend a third of our lives asleep. Every organism on Earth—from rats to dolphins to fruit flies to microorganisms—relies on sleep for its survival, yet science is still wrestling with a fundamental question: Why does sleep exist?

Public debate, pitting atheist against believer, typically yields a polarized picture. Might a more nuanced conversation that transcends simplistic assertions, and weaves insights from physics, biology, and psychology provide a more fruitful exchange of ideas?

Are quantum computers the game-changer they’re described to be, or is the promise of exponential speedup overblown? Join pioneer Seth Lloyd and Brian Greene as they discuss how the fundamental …

Stephen Wolfram joins Brian Greene to explore the computational basis of space, time, general relativity, quantum mechanics, and reality itself. This program is part of the Big Ideas series, supported …

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 …

For decades, biologists have read and edited DNA, the code of life. Revolutionary developments are giving scientists the power to write it. Instead of tinkering with existing life forms, synthetic biologists may be on the verge of writing the DNA of a living organism from scratch.