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416: Magical Thinking Jul 22, 2019

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More at https://www.philosophytalk.org/shows/magical-thinking. Have you ever avoided stepping on a crack, just in case you might break your mother’s back? Every day, people make decisions and act based on completely unfounded ideas and superstitions – even when they acknowledge that there is no evidence to support their reasoning. Why do we so often engage in this kind of magical thinking? What could cause otherwise rational people to believe outlandish things? Are we as rationally motivated as we might think? John and Ken share some magic with Michael Shermer, author of "Skeptic: Viewing the World with a Rational Eye."

422: Reparations Jun 30, 2019

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More at https://www.philosophytalk.org/shows/reparations. The United States brutally enslaved African Americans for its first hundred or so years of existence. For the next hundred years, black Americans were lynched, deprived of basic rights, and widely discriminated against. Now, while there are still certainly racial injustices to deal with, how are we to respond to the racial injustices of the past? Does time really heal all wounds? Could it ever be legitimate to compensate the descendants of slaves for burdens they themselves did not bear? Likewise, why should the descendants of slave-owners be made to pay for crimes they did not commit? John and Ken welcome Michael Dawson from the University of Chicago, author of "Not in Our Lifetimes: The Future of Black Politics."

421: The Value of a College Education Jun 17, 2019

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More at https://www.philosophytalk.org/shows/value-college-education. With 43.3 million Americans burdened with a total of $1.3 trillion in student loan debt, high school students thinking about attending college are faced with a daunting decision. Should they risk joining the ranks of the indebted in order to get a college degree? The answer depends on the value of a college education. Are college graduates happier, or better prepared for life? Is it the government’s job to ensure that investing in college is worth it for students? Should public colleges be free? Or would that decrease their value? And would studying philosophy increase or decrease the value of a college education? John and Ken get collegial with former Stanford president John Hennessy, in a program recorded live at De Anza High School in Richmond, California.

418: Matter and Energy: The Dark Side Jun 03, 2019

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More at https://www.philosophytalk.org/shows/matter-and-energy-dark-side. All the matter we have ever observed accounts for less than 5% of the universe. The rest? Dark energy and dark matter: mysterious entities that we only know about from their interactions with other matter. We infer their existence to satisfy our laws—but are we justified in making conclusions about what we cannot directly measure? How far can we trust our scientific laws? Where do we cross the line from theoretical science to metaphysics, and can the two overlap? John and Ken see the light with Priya Natarajan from Yale University, author of "Mapping the Heavens: The Radical Scientific Ideas That Reveal the Cosmos."

414: This Is Your Brain on Art May 20, 2019

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More at philosophytalk.org/shows/your-brain-art. Humans actively seek to create and consume art, and the philosophical branch of aesthetics has long investigated its fundamental questions: What is beauty? What is art? What is good taste? Now researchers are applying the tools of neuroscience in an attempt to find answers to these questions. But can the scientific method truly be applied to the study of art? Can brain scans help address the questions of aesthetics, or is the matter simply too abstract? John and Ken find their inner artist with Gabrielle Starr from NYU, author of "Feeling Beauty: The Neuroscience of Aesthetic Experience."

413: The Big Bang – Before and After May 13, 2019

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More at https://www.philosophytalk.org/shows/big-bang-before-and-after. The Big Bang theory is the prevailing theory about the “birth” of the universe. It posits a singularity, or super high density state from which the entire universe expanded and continues to expand. But what exactly is the Big Bang, and what’s the evidence that it took place? How do we account for the “Big Bang state”? Was there something before the Big Bang? What does the theory posit about the future of the universe? And what role does philosophy play in answering these mysteries? John and Ken have a singular conversation with Katherine Freese from the University of Michigan, author of "The Cosmic Cocktail: Three Parts Dark Matter."

412: More Than Pun and Games Apr 08, 2019

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More at https://www.philosophytalk.org/shows/more-pun-and-games. Puns have been called both the highest and lowest form of humor. There is something about them that is at once painful and pleasurable, capable of causing either a cringe or a chuckle. But what exactly is it about word play that we find humorous? Is there something in particular about puns that makes them especially cringe-worthy? How does the humor of a pun compare to other types of jokes? We may know why the chicken crossed the road – but can we eggsplain what’s funny about it? John and Ken get punny with John Pollack, author of The "Pun Also Rises: How the Humble Pun Revolutionized Language, Changed History, and Made Wordplay More Than Some Antics."

409: Radical Democracy Apr 01, 2019

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More at https://www.philosophytalk.org/shows/radical-democracy. Liberal democracy has its problems, including the fact that in trying to build consensus, it often ends up oppressing minorities or those who dissent. Radical democracy, on the other hand, tries to build consensus around difference, and challenge oppressive power relationships. But what are the risks of radical democracy? Is it really possible to have a democratic nation state without social conformity? How do we ensure both freedom and equality for all citizens in a society? And how does the anti-colonial tradition help us rethink what a modern democracy might be like? John and Ken join the struggle with Stanford historian Aishwary Kumar, author of "Radical Equality: Ambedkar, Gandhi, and the Risk of Democracy"

411: The Mystery of Music Mar 25, 2019

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More at https://www.philosophytalk.org/shows/mystery-music-0.

407: Philosophy of Sleep Mar 18, 2019

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More at https://www.philosophytalk.org/shows/philosophy-sleep. "Blessed are the sleepy ones," writes Nietzsche, "for they shall soon drop off." Sleep is an extraordinarily, albeit profoundly odd, phenomenon, yet we seem to accept prolonged nightly blackouts without question. Still, sleep has played a major role in philosophical thought, with the likes of Aristotle, Locke, and Leibniz putting forth theories about just what exactly sleep and dreams are. So what is the purpose of sleeping and dreaming? How can we distinguish wakefulness from sleep, as Descartes wondered? Do we experience dreams consciously? And do we sleep to live, or live to sleep? Ken and guest co-host Jorah Danenberg stay up with Deirdre Barrett from the Harvard Medical School, author of "The Committee of Sleep: How Artists, Scientists, and Athletes Use Their Dreams for Creative Problem Solving."

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