We all know the downsides of being poor. But what about the downsides of being rich? This week, we explore the psychology of scarcity...and excess.

Many studies have shown that people who use social media may be unhappier than those who don't. This week on Hidden Brain, we explore the psychological effect social media has on us.

The use of solitary confinement in prisons has grown since the 1970s. Criminologist Keramet Reiter talks with us about the psychological effects that long-term isolation has on our minds.

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.

When you really need something — whether it's money, food, or even time — it can be hard to focus on anything else. Researchers call this scarcity, and say it can affect many aspects of our lives.

In politics, it sometimes feels like we can't agree on basic facts. But according to neuroscientist Tali Sharot, facts are not enough — emotions may be the key to changing our minds.

This week on Hidden Brain, the stories of two men who showed empathy for the other side and found themselves labeled "enemy" by their own people.

Maz Jobrani, an Iranian-American comedian, uses humor to critique President Trump — whom he describes as "good for comedy but bad for the world."

We hear a lot about senseless violence: people who lose their lives or their freedom over a stolen backpack, or perceived slight. Two researchers think social science might help prevent these crimes.

Research suggests that college students are not having more sex than their parents were a generation ago. But sociologist Lisa Wade says the culture around sex has changed dramatically.

J. Marion Sims is remembered as the father of modern gynecology. Forgotten are the mothers of that medical specialty — the enslaved women whose bodies were used for the advancement of his research.

President Trump's executive order on refugees left travelers stranded at airports worldwide. To some, the scenes evoked images of Jewish refugees during World War II. We investigate the parallels.

It's in our nature to idolize the rich and famous. But this week on Hidden Brain, we explore the other side of our nature: the part of us that wants to see the rich and powerful fall from grace.