

Ep139 "What does alignment look like in a society of AIs?" with Danielle Perszyk
Is intelligence a property of individual brains, or is it something that emerges from many brains trying to align with one another? How can we build AI agents to improve our understanding of the world and to mediate between rivaling humans? For this and much more, we speak today with Danielle Persz…

Ep138 "Why do our political brains mistake opinion for truth?" with Kaizen Asiedu
What if your confidence in your political beliefs does not correlate with their accuracy? Why does a pundit's outrage often feel so convincing and nuance so unsatisfying? Are conspiracy theories a predictable feature of human brains? Is there any way to stop ourselves from mistaking our feelings fo…

Ep137 "Do cures ever create the next crisis?" with Thomas Goetz
Medications are among the most important advancements of science, but their social consequences are often complex. What if some of our most common diseases are design flaws of modern life? Does it matter if we're fixing a root cause rather than just circumventing it? If a pill can quiet hunger, pai…

Ep136 "Why do we care about mattering?" with Rebecca Goldstein
What does it mean for your life to matter? We all talk a lot about happiness, pleasure, and meaning... but what if the real engine underneath it all is the need to feel we count? Is it possible that depression, extremism, and ambition all stem from the same psychological source? When is political p…

Ep135: What does neuroscience mean by hypnosis? with David Spiegel
What exactly is hypnosis? We’ve all heard of circus-like versions, but is there a real element to hypnosis that psychiatrists and neuroscientists are able to leverage? Can attention and expectation change what we feel (such as pain or anxiety)? What do suggestible states reveal about the brain’s pa…

Ep82 Re Broadcast "Why Do Your 30 Trillion Cells Feel Like a Self?" Part 1
Happy Holidays- New Episodes starting Jan. 5th Every cell in your body changes, so why do you have a sense of continuity of the self – as though you're the same person you were a month ago? What does this have to do with the watercraft of the Greek demigod Theseus, or the End-of-History illusion, …

Ep70 Re Broadcast "Why do our memories drift? Part 1: The War of the Ghosts"
Happy Holidays- New episodes starting Jan. 5th Why did lions look so strange in medieval European art? What does this have to do with Native American folklore, eyewitness memory of a car accident, or what a person remembers 3 years after witnessing the 9/11 attack on the World Trade Center? And wh…

Ep134 "What do brains teach us about morality?" with Joshua Greene
Why will you make different moral decisions in similar circumstances? Why do some people make different choices than you? What happens when ancient moral instincts collide with modern problems such as pandemics, AI alignment, and political tribalism? Could a simple online game reduce polarization? …

Ep133 "Why do people hold misbeliefs?" with Dan Ariely
Why do people sometimes buy into ideas that seem obviously false from the outside, as with conspiracy theories? Is this kind of misbelief a universal feature of human brains? Does it offer clarity and belonging when reality feels chaotic and threatening? What would it take for you (under the right …

Ep132 "What will AI mean for the economy?" with Andrew Mayne
If AI can do everything from writing novels to designing proteins, what remains that only humans can do? What's the human advantage in a world where machines can outperform us at almost any measurable task? What does any of this have to do with Stephen King’s nightmares, Tom Cruise’s stunts, the fi…