Robert Kawrence Kuhn answers fan questions on theories of consciousness, cognitive computation, theism, determinism, and more.

Robert Lawrence Kuhn answers viewer questions like how to deal with the overwhelming amount of information, data and theories on the Internet; Schoppenhauer’s understanding of nature and reality; is consciousness physical; and are you any closer to truth than when the show started?

Priyamvada Natarajan takes on rapid-fire questions about the universe, offering concise insights on cosmology’s biggest ideas—from space and time to what we still don’t know.

What are the biggest unanswered questions in cosmology? Astrophysicist Priya Natarajan tackles foundational mysteries—from whether the universe is infinite or finite to the limits of scientific explanation—exploring where physics ends and deeper philosophical questions begin.

How many kinds of black holes are there—and how do we find them? Astrophysicist Priya Natarajan explores the demographics of black holes, explaining their different types and the observational and theoretical methods scientists use to detect and study these extreme objects across the universe.

Robert Lawrence Kuhn guest stars on this live Christmas episode of Philip Goff’s and Keith Frankish’s podcast, Mind Chat. They discuss Robert’s lifelong quest to get closer to truth via the pillars of consciousness, existence, and ultimate reality.

Cosmic rays are high-energy single particles that originate from outer space (black holes, quasars, collapsed stars, etc.) and bombard Earth. Physicist Daniel Whiteson gives a sense of the search of cosmic rays, why they’re important, how they’re searched for, and the rarity of the supermassive ones.

Is the field of particle physics is stuck? Has any progress been made since the discovery of the Higgs Boson in 2012?