Unpredictable things happen to us all the time. On this week's radio episode, we bring you two stories of loss and the change it brings.

This week on Hidden Brain's radio show, we tackle a big topic: power. From our conflicted feelings toward the powerful, to the ways we gain and lose power ourselves, and how power can corrupt.

Fake news in the U.S. is as old as American journalism itself. We explore the trade-offs journalists have long faced between elitism and populism, and integrity and profit.

As many as 40 percent of students who intend to go to college don't show up in the fall. Education researchers call this phenomenon "summer melt," and it has long been a puzzling problem.

So often we get stuck in the past, rehashing what we should have done, and what we no longer have. But researchers say our obsession with the past can tell us something important about our future.

Food fills many of our needs. Hunger is just one. Paul Rozin explains the profound role that food plays in our lives.

There can be a lot of psychological noise involved in learning. And mental chit chat can make learning hard. One solution, silence it with a click.

Chaos is a part of all of our lives. Sometimes we try to control it. And other times, we just have to live with it.

All of us think back to turning points in our lives, and imagine how things could have unfolded differently. Why do we so often ask ourselves, "What if?"

How many ads have you encountered today? On this week's radio replay, we discuss the insidiousness of advertising in American media.

To us non-babies, babbles like "ah-gah" and "dadadadada" can sound like cute gobbledygook. But they don't have to be such a mystery. We'll get a primer on how to decipher the dialect of tiny humans.

Olutosin Oduwole was a college student and aspiring rap star when he was charged with "attempting to make a terrorist threat." Did public perceptions of rap music play a role?

The parable of the fox and the hedgehog tells us that there are some who are guided by one big idea. That's the story of Don Laub, a surgeon whose single-mindedness led to both triumph and tragedy.

How many ads have you encountered today? On this week's radio show, we discuss the insidiousness of advertising in American media.

The eugenicists were utopians, convinced that they were doing hard but necessary things. And that included making decisions about who gets to have children.

How do you convince a generation of people who once slaughtered each other to reconcile? In Rwanda, a team of psychologists, writers and policymakers came up with an unusual idea: a radio soap opera.

Violent crimes committed by Muslims are much more likely to be reported as "terrorism." And that has disturbing consequences for the way Muslims are perceived.

When we think of lies, we think of the big stuff. We say, "I could never do something like that." But big lies start with small deceptions. Dan Ariely talks about why we lie and why we're honest.

Have you ever noticed that when something important is missing in your life, your brain can only seem to focus on that missing thing? Two researchers have dubbed this phenomenon "scarcity."

Imagine seeing a cockroach skitter across your kitchen counter. Does the thought alone gross you out? This week on Hidden Brain, we discuss disgust.