170. Michio Kaku — The God Equation: The Ques...

Cathy Young returns to the show for a wide-ranging conversation about free speech, institutional trust, and the strange incentives shaping public debate today. What happens when universities, media outlets, political movements, and online personalities trade careful thinking for ...  Show more

The Zodiac Killer has been treated for decades as America's ultimate unsolved true crime mystery: one mysterious killer, taunting letters, cryptic ciphers, a strange costume, and a trail of victims across Northern California. Eddie McNamara thinks that story is wrong. The victims ...  Show more

<span style="font-weight: 400;">Sam Harris speaks with Frank Wilczek about the fundamental nature of reality. They discuss the difference between science and non-science, the role of intuition in science, the nature of time, the prospect that possibility is an illusion, the cu ...

Quantum mechanics and general relativity are two of the most successful theories of science ever, but they don't necessarily fit together. Learn why physicists are trying so hard to discover a quantum theory of gravity, and why it's been such a challenge.

Fo ...

<span style="font-weight: 400">Quantum field theory may be the most successful scientific theory of all time, predicting  experimental results with stunning accuracy and advancing the study of higher dimensional mathematics. Yet, there’s also reason to believe that it is missi ...

Melvyn Bragg examines 20th century physics’ quest for the ultimate theory of everything. Einstein left us with his theory of General Relativity, which explained how gravity works on the scale of stars, galaxies, and the universe itself and Schroedinger left us with the equation t ...  Show more