Parth Shah

Where do our minds live? A simple, scientific response would be to say our minds live in our brains. But Harvard psychologist Mahzarin Banaji says we should not think of our minds as being solitary.

"The individual mind sits in society. And the connection between mind and society is an extremely important one that should not be forgotten."

After a disaster happens, we want to know, could something have been done to avoid it? Did anyone see this coming?

Many times, the answer is yes. There was a person — or many people — who spotted a looming crisis and tried to warn those in power. So why didn't the warnings lead to action?

Many people think of the economy as following a set of fairly scientific principles.

We buy more if things are cheap. We buy less if they're expensive. Companies hire more people if it looks like the economy is growing. They cut back if it looks like things are going to tank. Or say you're in charge of the Federal Reserve. Economic indicators help decide whether to raise or lower interest rates.

All of this seems very rational, very mathematical.

When we have a question about something embarrassing or deeply personal, many of us don't turn to a parent or a friend, but to our computers: We ask Google our questions.

As millions of us look for answers to questions, or things to buy, or places to meet friends, our searches produce a map of our collective hopes, fears, and desires.

We just can't let go of some decisions. We replay them in our head and imagine alternate endings.

These sorts of looping mental videos are called counterfactuals. Northwestern University Professor Neal Roese says there's real value to wondering "if only."

"Counterfactual thoughts are generally useful for us in terms of providing a set of options that we might act upon in the future," he says. "This can lead to improvement. It can lead to learning from experience."

Throughout history, people have sought to create utopias. Perfect societies free of defects.

Of course, not everyone shares the same vision for a utopia. Different people have different priorities. But the wishes of those with power and prestige almost always take precedence.

On this episode of the Hidden Brain radio show, we tell the story of overzealous American scientists who believed creating a utopia for some would eventually lead to utopia for all. This is a story of people who believed they were doing the enlightened thing, even if it traumatized others.

Many people start exploring their sexuality in college. The lessons they learn about intimacy and attraction during these years lay a foundation for the rest of their lives.

"I have students who have had sex many times drunk but have never held someone's hand," says Occidental University sociologist Lisa Wade.

After a disaster happens, we want to know, could something have been done to avoid it? Did anyone see this coming?

Many times, the answer is yes. There was a person — or many people — who spotted a looming crisis and tried to warn those in power. So why didn't the warnings lead to action?

After you read this sentence, pause for a moment to think back on advertisements you first heard when you were a child.

Perhaps you recall a favorite jingle or the catchphrase of a cereal mascot. You probably can remember more than just one.

This week, we look at the shelf life of commercials. According to University of Arizona researcher Merrie Brucks, an ad we watched when we were five years old can influence our buying behavior when we're 50.

There is great comfort in the familiar. It's one reason humans often flock to people who share the same interests, laugh at the same jokes, hold the same political views. But familiar ground may not be the best place to cultivate creativity.

Columbia Business School professor Adam Galinsky has found that people who have deep relationships with someone from another country become more creative and score higher on routine creativity tests.

Annie Duke was about to win $2 million.

It was 2004, and she was at the final hand of the World Series of Poker Tournament of Champions. Annie had beaten some of the best poker players in the world — all men — to get to this point.

But she wasn't sure she deserved to be there.

"I'm sort of thinking, if I fold and I'm wrong, everybody's going to be like, 'See, she plays like a girl, look how he pushed her around,' " said Annie.

Paul Rozin has been studying the psychology and culture of food for more than 40 years. And he's come to appreciate that food fills many of our needs, but hunger is just one.

"Food is not just nutrition that goes in your mouth or even pleasant sensations that go with it," he says. "It connects to your whole life, and it's really a very important part of performing your culture and experiencing your culture."

Bababababa, dadadadada, ahgagaga. Got that?

Babies are speaking to us all the time, but most of us have no clue what they're saying. To us non-babies, it all sounds like charming, mysterious, gobbledegook. To researchers, though, babbling is knowable, predictable, and best of all, teachable. This week, we'll find out how to decipher the vocabulary, and the behavior, of the newest members of the human family.

Have you ever noticed that when something important is missing in your life, your brain can only seem to focus on that missing thing?

After you read this sentence, pause for a moment to think back on advertisements you first heard when you were a child.

Perhaps you recall a favorite jingle or the catchphrase of a cereal mascot. You probably can remember more than just one.

On this week's Hidden Brain radio show, we look at the shelf life of commercials. According to University of Arizona researcher Merrie Brucks, an ad we watched when we were five years old can influence our buying behavior when we're fifty.

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