Physician Abraham Verghese reflects on a defining moment in 1985, when one of his terminally ill patients reminded him to follow his dreams.

Nicole George-O'Brien was driving over a bridge when she experienced a seizure. She woke up in the hospital, worried that she'd hurt someone, but found out a stranger helped her and others that day.

When Vanessa Foster was stranded in the middle of Alaska, a stranger with bright blue eyes stopped to give her a ride, and changed her life.

Stephanie Cole never forgot one tiny moment during her first day at a new job, when a stranger showed her kindness.

When Kate Baker's toddler experienced a seizure during a transatlantic flight, she nearly shut down. But she received comfort from an unexpected group of passengers.

Karl Goldstein nearly gave up playing the piano, but a few words from a tough music teacher put him on a lifelong path in music.

This week on Hidden Brain, research about prejudices so deeply buried, we often doubt their existence. We'll begin with police shootings of unarmed Black men. We also look at how biases affect judges.

We don't always behave the way economic models say we will. We don't save enough for retirement. We give money to charity. This week, why we act in ways that go against our "rational" self-interest.

On this week's radio show, we trace the history of fake news. Plus, in a time when accurate information is so important, we ask who ultimately bears the cost when no one wants to pay for local news.

Why are we so often pulled into memories of the past? This week, we bring you a 2018 episode about our ruminations on what we could have done differently, and what we wish we could do again.

When disaster strikes, we want to know, who screwed up? This week we explore the psychology of warnings: Why some warnings get heard, and why some of us are better at seeing what lies ahead.

What's the point of money? The answer might seem obvious: we need it to get paid for our work, and to buy the things we need. But there's also a deeper way to look at the role of money in our lives.

We live in a world of stories. They're in movies, books, and plays. They're even in the things that we buy.

Do you ever catch yourself yelling at your Alexa? Or typing questions into Google that you would never ask aloud? This week, we explore our changing relationship with technology.

There's an event we were all invited to the day we were born. Attendance is mandatory. But we'd rather not think about it. On this week's radio show, the lengths we go to to avoid thoughts of death.

Finding a new job may be the solution to your woes at work. But there may also be other ways to get more out of your daily grind. This week on Hidden Brain, we explore ways to find meaning at work.

Should reporters think of their readers and listeners as consumers, or as citizens? This week on Hidden Brain, we explore this tension at the heart of journalism.

This week on the Hidden Brain radio show, decision-making. We learn why we often stumble when trying to make ourselves happy, and why certain decisions leave us wondering "what if?"

There is a long legacy of leaders exploiting the bodies of vulnerable people in the name of science. This week, the history of eugenics and medical experimentation on enslaved people in the U.S.

This week, a scientific look at what makes us laugh. Here's a hint — a lot of it isn't funny. We talk to neuroscientist (and stand up comedian) Sophie Scott.