Episodes

Think about the last time you asked someone for something. Maybe you were nervous or worried about what the person would think of you. Chances are that you didn't stop to think about the pressure you were exerting on that person. This week, we revisit a favorite episode about a phenomenon known as …

In December 1988, two sets of identical twins became test subjects in a study for which they had never volunteered. It was an experiment that could never be performed in a lab, and had never before been documented. This week, we revisit this fascinating story, told by psychologist Nancy Segal, abou…

Why is it so hard to say 'I'm sorry?' In part two of our series on forgiveness and apologies, we talk with psychologist Tyler Okimoto about the mental barriers that keep us from admitting when we've done something wrong, as well as the transformative power of apologies.If you like our work, pleas…

Granting forgiveness for the wrongs done to us can be one of the hardest things we face in life. But forgiveness can also be transformative. In the first of a two-part series on apologies and mercy, we talk with psychologist Charlotte Witvliet about the benefits of forgiveness, for both the mind an…

Coincidences can feel like magic. When we realize that a co-worker shares our birthday or run into a college roommate while on vacation, it can give us a surge of delight. Today, we revisit a favorite episode about these moments of serendipity. Mathematician Joseph Mazur explains why coincidences a…

Have you ever opened your computer with the intention of sending one email — only to spend an hour scrolling through social media? Maybe two hours? In this favorite episode from our archives, we look at how media, tech, and entertainment companies hijack our attention. Plus, we consider how the com…

What do the things you own say about who you are? Psychologist Bruce Hood studies our relationship with our possessions – from beloved childhood objects to the everyday items we leave behind.If you like our work, please consider supporting it! See how you can help at support.hiddenbrain.org. And …

No matter how hard we work, we won’t always achieve the goals we set for ourselves. When cognitive scientist Maya Shankar was a girl, she wanted to be a concert violinist. Then an injury forced her to imagine her life anew. This week, we revisit a favorite episode from 2015 with Maya. She’s now the…

In the past weeks, headlines around the world have focused on the violent conflict between Israelis and Palestinians. In this favorite episode from our archive, we hear from a former Israeli soldier and a Palestinian man who asked a radical question: what happens when you empathize with your enemy?…

Psychologist Daniel Kahneman says there are invisible factors that distort our judgment. He calls these factors “noise.” The consequences can be found in everything from marriage proposals to medical diagnoses and prison sentences. This week on Hidden Brain, we consider how to identify noise in the…

Have you ever felt as if someone else was writing your personal narrative? Controlling what you do, shaping how you act? This week on Hidden Brain, we bring you a surreal tale about a woman who became a reluctant character in someone else’s love story.If you like our work, please consider support…

At the end of every episode, we take a moment to thank an Unsung Hero: someone who’s not on the staff of the show, but who went above and beyond in helping us out. In recent weeks, we've been asking you to share your own examples of someone who's made an impact on your life. This time, Josh Gitelso…

Your brain is divided in two: a left hemisphere and a right hemisphere. In this 2019 episode of Hidden Brain, we dive into Iain McGilchrist's research on how the left and right hemispheres shape our perceptions. Iain argues that differences in the brain — and Western society's preference for what o…

In every episode of Hidden Brain, we thank an Unsung Hero — a colleague, a friend or a family member who has helped make our work possible from behind the scenes. Recently, we asked you to tell us about your own unsung heroes. This week, Deb Pierce remembers the nurse who showed up at one of the ha…

Do you ever struggle to communicate with your mom? Or feel like you and your spouse sometimes speak different languages? We talk with linguist Deborah Tannen about how our conversational styles can cause unintended conflicts, and what we can do to communicate more effectively with the people in our…

In every episode of Hidden Brain, we thank an Unsung Hero. Many listeners have written to say they love this segment, even sharing their own Unsung Heroes. Today, we're sharing one of those stories with you.

Hahaha! The average four-year-old child laughs 300 times a day. By contrast, it takes more than two months for the average 40-year-old adult to laugh that many times. This week, we talk with behavioral scientist Jennifer Aaker of Stanford University about why so many of us fall off a “humor cliff” …

More than a century ago, millions of people around the world died in a massive influenza pandemic. The so-called "Spanish flu" outbreak of 1918 revealed a truth about viruses: they don't just infect us biologically. They also detect fissures in societies and fault lines between communities. Histori…

Podcast hosts are used to being the ones asking the questions. This week, though, we’re going to flip that script, and put Shankar in the guest seat. We’ll hear a recent interview he did with Krys Boyd of the public radio show Think from KERA in Dallas. The discussion revolves around Shankar's late…

Stories help us make sense of the world, and can even help us to heal from trauma. They also shape our cultural narratives, for better and for worse. This week on Hidden Brain, we conclude our three-part series on storytelling with a look at the phenomenon of "honor culture," and how it dictates th…

We can’t go back and change the past. We can’t erase trauma and hardship. But what if there was a way to regain control of our personal narratives? In the second part of our series on storytelling, we look at how interpreting the stories of our lives — and rewriting them — can change us forever.A…

Why is my friend late? How does nuclear fission work? What occurs when I sneeze? We all need to understand why certain things happen. Some researchers think the drive to explain the world is a basic human impulse, similar to thirst or hunger. This week on Hidden Brain, we begin a three part series …

For generations, it was difficult, even dangerous, to express a sexual orientation other than heterosexuality in the United States. But in recent years, much has changed. This week, we revisit our 2019 episode about one of the most striking transformations of public attitude ever recorded. And we c…

Why do some companies become household names, while others flame out? How do certain memes go viral? And why do some social movements take off and spread, while others fizzle? Today on the show, we talk with sociologist Damon Centola about social contagion, and how it can be harnessed to build a be…