Can Your DNA Predict Your Future?, with Dalton Conley
What if a single number, derived from your DNA, could predict your income, education level or even who you're likely to marry? In his new book “The Social Genome,” Princeton University sociologist Dalton Conley explores the science behind how our genes are shaping our society in ways that are both profound and unsettling.Conley explains how our genes, and the genes of those around us, are influencing our lives in ways we barely understand—from fertility clinics selecting embryos based on genetic traits to the rise of “genetic sorting” in everything from dating to zip codes. He also debunks the idea of nature versus nurture, revealing how deeply intertwined they truly are.Are we heading toward a future of genetically coded inequality? And what policies and conversations are urgently needed to ensure we don’t cross the line from science into dystopia?
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34:25
Can You Really Die of a Broken Heart? The Hidden Dangers of Grief, with Mary Frances O'Connor
When we lose someone, we love, we often say we have a broken heart—but what if that’s not just a metaphor?In her new book “The Grieving Body: How The Stress of Loss Can Be An Opportunity For Healing” University of Arizona Professor of Psychology Mary Frances O’Connor shares groundbreaking insights into the biological and physiological impacts grief has on our bodies. O’Connor reveals how profound loss can lead to serious medical conditions, from heart attacks to immune system breakdowns, and explains why grieving can make us more vulnerable to diseases like cancer, pneumonia, and even autoimmune disorders.Drawing on her personal experiences and extensive research, O’Connor outlines why our medical system—and society at large—needs to rethink how we support grieving individuals. She makes a powerful case for viewing grief not only as an emotional experience but as a medical event deserving careful monitoring and intervention, similar to pregnancy or chronic illness.
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31:58
The Science Behind Raising Successful Kids, with Ariel Kalil
New federal data paints a stark picture: American children are falling behind in reading and test scores, with the gap between advantaged and disadvantaged kids growing wider. But is this really just a problem of money? University of Chicago Developmental psychologist Ariel Kalil has spent her career studying how parents influence childhood development—not just through resources, but through daily habits and interactions.On this episode, we explore the surprising science behind parental engagement, the behavioral biases that shape parenting decisions, and why simple interventions—like 15 minutes of reading a day—can have an outsized impact. Plus, we discuss how AI and behavioral economics might provide new solutions for supporting parents in an era of rising inequality.
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31:19
Do Animals Understand Death?, with Susana Monsó
What does it mean to understand death? For centuries, philosophers have argued that only humans can truly comprehend mortality. But what if they’re wrong?In this episode, we speak with philosopher Susana Monsó, author of Playing Possum: How Animals Understand Death, to explore whether animals can grasp their own mortality. From grieving elephants to corpse-removing ants and possums that play dead, we investigate what animal behavior reveals about their concept of death. Do dogs understand when their owners pass away? Do predators recognize a corpse as different from prey? And what does this mean for how we treat animals?
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31:58
Why Measles Is Resurging—And The Rise Of Vaccine Hesitancy, with Adam Ratner
In 2000, the United States declared that measles had been eliminated. But just 15 years later, the disease made a comeback—and it hasn’t gone away since. In this episode, Dr. Adam Ratner, director of the Division of Pediatric Infectious Diseases at NYU and author of Booster Shots: The Urgent Lessons of Measles and the Uncertain Future of Children's Health, explains why measles outbreaks are occurring again—as vaccine hesitancy and the antivax movement is on the rise—and what this means for the future of children’s health.Ratner describes why measles is the most contagious disease we know of, and why it can be particularly harmful to children. As vaccination rates for children and adults continue to decrease in the U.S., are we at risk of undoing decades of medical progress? And what can we do to stop it?
Big Brains explores the groundbreaking research and discoveries that are changing our world. In each episode, we talk to leading experts and unpack their work in straightforward terms. Interesting conversations that cover a gamut of topics from how music affects our brains to what happens after we die.
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