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Sean Carroll | Wondery


Ever wanted to know how music affects your brain, what quantum mechanics really is, or how black holes work? Do you wonder why you get emotional each time you see a certain movie, or how on earth video games are designed? Then you’ve come to the right place. Each week, Sean Carroll will host conversations with some of the most interesting thinkers in the world. From neuroscientists and engineers to authors and television producers, Sean and his guests talk about the biggest ideas in science, philosophy, culture and much more.


Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

The number of neurons in the human brain is comparable to the number of stars in the Milky Way galaxy. Unlike the stars, however, in the case of neurons the real action is in how they are directly connected to each other: receiving signals over synapses via their dendrites, and when appropriately triggered, sending signals down the axon to other neurons (glossing over some complications). So a major step in understanding the brain is to map its wiring diagram, or connectome: the complete map of those connections. For a human brain that's an intimidatingly complex challenge, but important advances have been made on tinier brains. We talk with Jeff Lichtman, a leader in brain mapping, to gauge the current state of progress and what it implies.

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Blog post with transcript: https://www.preposterousuniverse.com/podcast/2024/12/09/298-jeff-lichtman-on-the-wiring-diagram-of-the-brain/

Jeff Lichtman received an MD/PhD from Washington University in St. Louis. He is currently the Jeremy R. Knowles Professor of Molecular and Cellular Biology and Santiago Ramón y Cajal Professor of Arts and Sciences at Harvard University. He is co-inventor of the Brainbow system for imaging neurons. He is a member of the National Academy of Sciences.

Web pageLab web siteGoogle Scholar publicationsWikipedia
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298 | Jeff Lichtman on the Wiring Diagram of the Brain

Living organisms seem exquisitely organized and complex, with features clearly adapted to serving certain functions needed to survive and procreate. Natural selection provides a compelling explanation for why that is so. But is there a bigger picture, a more general framework that explains the origin and evolution of functions and complexity in a world governed by uncaring laws of physics? I talk with planetary scientist and astrobiologist Michael Wong about how we can define what "functions" are and the role they play in the evolution of the universe.

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Blog post with transcript: https://www.preposterousuniverse.com/podcast/2024/12/16/299-michael-wong-on-information-function-and-the-origin-of-life/

Michael Wong received his Ph.D. in planetary science from Caltech. He is currently a Sagan Postdoctoral Fellow at the Carnegie Institution for Scienceʼs Earth & Planets Laboratory. He is in the process of co-authoring two books: A Missing Law: Evolution, Information, and the Inevitability of Cosmic Complexity with Robert M. Hazen, and a revised edition of Astrobiology: A Multidisciplinary Approach with Jonathan Lunine.

Web siteCarnegie web pageStrange New Worlds podcast • Wong et al. (2023), "
On the Roles of Function and Selection in Evolving Systems • ."
 • Wong and Prabhu (2023), "
Cells as the First Data Scientists • ."

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299 | Michael Wong on Information, Function, and the Origin of Life

I've decided to officially take the plunge into the world of podcasting. The new show will be called Mindscape, and will mostly consist of me talking to smart people about interesting ideas. (Occasionally it will be me talking by myself about ideas of questionable merit.) I'm a grizzled veteran at appearing on other podcasts, and it's past time I sat in the director's chair here. [smart_track_player url="http://traffic.libsyn.com/seancarroll/episode-zero-audio.mp3" artist="Sean Carroll" social_gplus="false" social_email="true" tweet_text="Sean Carroll's Mindscape Podcast, Episode 0: Welcome!" hashtag="mindscapepodcast" ] Today I'm just releasing a short teaser podcast, in both audio (bottom of this post) and video (right here) form. Next week will be a more official launch, with several real episodes, all of which I had enormous fun recording. FAQ: It won't just be about physics, although physics will naturally appear. Indeed, the opportunity to talk about things other than physics is a large part of my motivation here. I have plans/hopes to talk to historians, psychologists, biologists, philosophers, artists, filmmakers, neuroscientists, economists, writers, theologians, political scientists, musicians, and more. The video above is just to lure you in. Almost all episodes will be audio-only. I don't have a strict release schedule, that will depend on other obligations. I would guess one every two weeks, perhaps weekly if things start going super-well. (So if you want more episodes, encourage others to subscribe!) Typical episodes will be an hour long, at least to start, though don't hold me to that. Right now you can both subscribe to the RSS feed, and/or to an email list, both available on the sidebar to the right. If you join the email list, you can choose to either get just the episodes as they are released, or just special announcements relevant to the podcast, or both. Soon I hope to be available on iTunes and Google Play and various other platforms, but I'm not sure how quickly that happens. There won't be any ads to start, but I am planning to monetize it if things go well. These microphones don't pay for themselves. I'm not really in it for the money, but if money starts rolling in, my incentive to keep going will be correspondingly boosted. Feel free to leave comments and discuss individual episodes as they appear. There is also a subreddit which might make a good conversation spot. Like everything else I do that isn't physics research, this is a hobby, and might have to take a temporary back seat if things get busy. But so far it's been a lot of fun, and I'm excited to see where it will go. Show notes for this episode: I mention a study of the different ways in which artists and regular people look at images, which you can read about here. And we're ready to go! Thanks to everyone who has helped me set this up, including Gia Mora (web and technical help), Julian Morris (prodding), Cara Santa Maria (podcasting wisdom), Jason Torchinsky (art), Ted Pyne (music), Robert Alexander (gear), and Jennifer Ouellette (patience, support, wine). Comment here if you have suggestions, for good ideas to talk about, good people to talk to, or format/technical wisdom. (As always, demands that I not talk about this or that will be summarily deleted; those are my choices to make, not anybody else's.) Still very new at this, mistakes both technical and judgmental are practically guaranteed to happen, but I'm optimistic that it should be a fun ride. Download Episode [smart_podcast_player permalink="https://preposterousuniverse.com/podcast/" hashtag="mindscapepodcast" ]

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Welcome to the Mindscape Podcast!

For the first full episode of Mindscape, it's an honor to welcome social psychologist Carol Tavris. Her book with co-author Eliot Aronson, Mistakes Were Made (But Not By Me), explores the effect that cognitive dissonance has on how we think. We talk about the fascinating process by which people justify the mistakes that they make, and how that leads to everything from false memories to political polarization. [smart_track_player url="http://traffic.libsyn.com/seancarroll/carol-tavris.mp3" social_email="true" hashtag="mindscapepodcast" ] Carol Tavris received her Ph.D. in social psychology from the University of Michigan. She is the author of numerous books, covering topics such as gender, biology, and emotion, and is a frequent contributor to a variety of newspapers and magazines. She is a Fellow of the American Psychological Association, the Association for Psychological Science and the Committee for Skeptical Inquiry. Carol Tavris on Wikipedia Social Psychology Network profile Amazon.com author page A lecture on "Dissent and Dissonance: The Science and Art of Argument." Download Episode

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1 | Carol Tavris on Mistakes, Justification, and Cognitive Dissonance

Quantum mechanics and general relativity are the two great triumphs of twentieth-century theoretical physics. Unfortunately, they don't play well together -- despite years of effort, we currently lack a completely successful quantum theory of gravity, although there are some promising ideas out there. Carlo Rovelli is a pioneer of one of those ideas, loop quantum gravity, as well as the bestselling author of such books as Seven Brief Lessons on Physics and the recent The Order of Time. We talk about how to make progress on this knotty problem, including whether string theory will play a role (Carlo thinks not). [smart_track_player url="http://traffic.libsyn.com/seancarroll/rovelli.mp3" social_email="true" hashtag="mindscapepodcast" ] Carlo Rovelli is a professor of theoretical physics at the Centre de Physique Théorique de Luminy of Aix-Marseille University in France. In 1988, he and Abhay Ashtekar and Lee Smolin introduced the idea of loop quantum gravity. He is also the author of the "relational" interpretation of quantum mechanics. Home page Wikipedia page Google Scholar publications Amazon.com author page Talk on The Physics and Philosophy of Time Twitter Download Episode

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2 | Carlo Rovelli on Quantum Mechanics, Spacetime, and Reality

The human mind loves nothing more than to build mental boxes -- categories -- and put things into them, then refuse to accept it when something doesn't fit. Nowhere is this more clear than in the idea that there are men, and there are women, and that's it. Alice Dreger is an historian of science, specializing in intersexuality and the relationship between bodies and identities. She is also a successful activist, working to change the way that doctors deal with newborn children who are born intersex. We talk about human sexuality and a number of other hot-button topics, and ruminate on the challenges of being both an intellectual (devoted to truth) and an activist (seeking justice). [smart_track_player url="http://traffic.libsyn.com/seancarroll/alice-dreger.mp3" social_gplus="false" social_email="true" hashtag="mindscapepodcast" ] Alice Dreger received her Ph.D. in the History and Philosophy of Science from Indiana University. She has worked as a faculty member at Michigan State University and Northwestern University. She has been a Guggenheim Fellow, and was the Founding Board Chair of the Intersex Society of North America. She is the author of a number of books, including Galileo's Middle Finger: Heretics, Activists, and One Scholar's Search for Justice, and most recently The Talk: Helping Your Kids Navigate Sex in the Real World. Home page Wikipedia page Publications TED Talk: Is Anatomy Destiny? Twitter

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3 | Alice Dreger on Sexuality, Truth, and Justice

According to atheism, God does not exist. But religions have traditionally done much more than simply proclaim God's existence: they have provided communities, promoted the arts, handed down moral guidance, and so on. Can atheism, or perhaps humanism, replicate these roles? Anthony Pinn grew up as a devout Methodist, but became a humanist when he felt that religion wasn't really helping the communities that he cared about. Today he is a professor of religion who works to bring together atheism and the black community. We talk about humanism, identity politics, and the way forward. [smart_track_player url="http://traffic.libsyn.com/seancarroll/anthony-pinn.mp3" social_gplus="false" social_linkedin="true" social_email="true" hashtag="mindscapepodcast" ] Anthony Pinn received his Ph.D. in the Study of Religion from Harvard University, and is currently the Agnes Cullen Arnold Professor of Humanities and Professor of Religious Studies at Rice University, where he was the first African-American to hold an endowed chair at the university. He is the Founding Director of The Center for Engaged Research and Collaborative Learning at Rice University, and Director of Research,The Institute for Humanist Studies. Among his many books are Writing God's Obituary: How a Good Methodist Became a Better Atheist and When Colorblindness Isn't the Answer: Humanism and the Challenge of Race Home page Faculty page at Rice Wikipedia page Amazon.com page Online course at edX: Religion and Hip Hop Culture Talk on How a Good Methodist Became a Better Atheist Twitter Download Episode

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4 | Anthony Pinn on Humanism, Theology, and the Black Community

If you scale up an animal to twice its height, keeping everything else proportionate, its volume and weight become eight times as much. Such a scaling relation was used by J.B.S. Haldane in his famous essay, "On Being the Right Size," to help explain certain features of living organisms. But scaling relations go much deeper than that, and they are often much more subtle than the volume going as the cube of the length. Geoffrey West is a particle physicist turned complexity theorist, who studies how features from metabolism to lifespan change as we adjust the size of an organism -- or of other complex systems, from cities to computer networks. His insights have important implications for innovation, sustainability, and the best ways to organize life here on Earth. [smart_track_player url="http://traffic.libsyn.com/seancarroll/geoffrey-west.mp3" social_gplus="false" social_linkedin="true" social_email="true" hashtag="mindscapepodcast" ] Geoffrey West received his Ph.D. in physics from Stanford University. He is currently a Distinguished Professor at the Santa Fe Institute, where he served as President from 2005 to 2009. He has been listed as one of Time magazine's 100 most influential people in the world. He is the author of Scale: The Universal Laws of Growth, Innovation, Sustainability, and the Pace of Life in Organisms, Cities, Economies, and Companies. Home page Wikipedia page Amazon page TED talk on "The Surprising Math of Cities and Corporations" Google Scholar publications Download Episode

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5 | Geoffrey West on Networks, Scaling, and the Pace of Life

Poker, like life, is a game of incomplete information. To do well in such a game, we have to think in terms of probabilities, unpredictable strategies, and Bayesian inference. These are ideas that play a central role in physics and rationality as well as in poker, which makes Liv Boeree such a great person to talk about them. Liv is a professional poker player who studied physics as a university student, and maintains an active interest in science generally and astrophysics in particular. We talk about poker, probability, the likelihood that aliens exist elsewhere in the universe, and how to be rational when it comes to charitable giving. [smart_track_player url="http://traffic.libsyn.com/seancarroll/liv-boeree.mp3" social_gplus="false" social_linkedin="true" social_email="true" hashtag="mindscapepodcast" ] Liv Boeree earned a First Class Honours degree in Physics from the University of Manchester, before becoming a professional poker player. She has won well over $3 million on the poker circuit, including taking First Place at the 2010 European Poker Tour Main Event in San Remo, Italy. She is the co-founder of the charity organization Raising for Effective Giving, which has raised millions of dollars (largely from fellow poker players) for good causes. Home page Wikipedia page TEDx talk on probabilities Vox article on the Fermi paradox Raising for Effective Giving Twitter Download Episode

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6 | Liv Boeree on Poker, Aliens, and Thinking in Probabilities

Both words in the phrase "liberal democracy" carry meaning, and both concepts are under attack around the world. "Democracy" means that they people rule, while "liberal" (in this sense) means that the rights of individuals are protected, even if they're not part of the majority. Recent years have seen the rise of an authoritarian/populist political movement in many Western democracies, one that scapegoats minorities in the name of the true "will of the people." Yascha Mounk is someone who has been outspoken from the start about the dangers posed by this movement, and what those of us who support the ideals of liberal democracy can do about it. Among other things, we discuss how likely it is that liberal democracy could ultimately fail even in as stable a country as the United States. Yascha Mounk received his Ph.D. in Government from Harvard University. He is a Lecturer on Government at Harvard, a Senior Fellow in the Political Reform Program at New America, and Executive Director at the Tony Blair Institute for Global Change. His most recent book is The People vs. Democracy: Why Our Freedom Is in Danger and How to Save It.

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7 | Yascha Mounk on Threats to Liberal Democracy

As each December comes to a close, we wrap up another year of podcasts with the Mindscape Holiday Message. Nothing too profound, just some thoughts that wouldn’t fit easily into a regular podcast. This year we’re talking about academic disciplines and cocktails. What do they have in common, you may ask? Listen and find out!

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Mindscape will be dark on Monday December 27, and will resume regular programming on Monday January 3. Here are the two books I mentioned in the podcast, and the one essay:

The Aviary Cocktail BookDeath & Co Modern Classic CocktailsSteven Weinberg, “Against Philosophy”

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Holiday Message 2021 | On Disciplines & Cocktails

Holiday Message 2021 | On Disciplines & Cocktails

Lyssna när som helst, var som helst

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