Philosopher, neuroscientist, and psychologist, Joshua Greene tells us how the brain generates morality and how his research may have solved the infamous trolley problem, and in so doing created a way to encourage people to contribute to charities that do the most good, and, in addition, play quiz games that can reduce polarization and possibly save democracy.
We sit down with Dr. Madeleine Beekman, a professor emerita of evolutionary biology and behavioral ecology at the University of Sydney, Australia, whose new book, The Origin of Language, presents a completely new and fascinating theory for how language emerged in homo sapiens, in human beings, in you and me and the rest of us.
In this episode, we discuss the landmark 1959 study that popularized the term “cognitive dissonance,” and we dive into the current state of dissonance research with Dr. Sarah Stein Lubrano, a political scientist who studies how cognitive dissonance affects all sorts of political behavior. Lubrano is the co-host of a podcast about activism called What Do We Want? She also wrote a book that’s coming out in May of 2025 titled Don’t Talk About Politics which is about how to discuss politics without necessarily talking about politics.
In this episode, the story of a doomsday cult that predicted the exact date and circumstances of the end of the world, and what happened when that date passed and the world did not end.
Also, we explore our drive to remain consistent via our desire to reduce cognitive dissonance.
When you notice you’ve done something that you believe is wrong, you will either stop doing that thing or stop believing it is wrong.
And if you come across some information that disconfirms one of your beliefs, you’ll either change your belief, challenge the validity of the challenging information, or go looking for some information that suggests no, in fact, you are totally right.
Are you unhappy at your job? Are you starting to consider a change of career because of how your current work makes you feel? Do you know why? According to our guest in this episode, Dr. Tessa West, a psychologist at NYU, if you are currently contemplating whether you want to do the work that you do everyday you should know that although this feeling is common, psychologists who study this sort of thing have discovered that our narratives for why we feel this way are often just rationalizations and justifications.
Can intellectual humility be measured? What influences it and affects it, limits it and enhances it? What even is it, scientifically speaking? We explore all of this and then play an episode of How to Be A Better Human featuring psychologist Tenelle Porter telling comedian Chris Duffy how she is researching how to conduct better research into intellectual humility.
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