Renee Klahr

As a society, we talk about sex more openly today than ever before. But so much still goes unsaid. This week on the Hidden Brain radio show, complicated stories of intimacy and attraction.

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.

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. On this week's Radio Replay, we explore different strategies for coping with chaos.

What does it mean to be a boy and what does it mean to be a girl? We delve into debates over gender – and explore how some people are moving beyond labels and building gender identities of their own.

We all know casual sex isn't about love. But what if it's not even about lust?

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 was his triumph, and his downfall.

In Liberia, a team of epidemiologists have to delay a criminal investigation, look the other way on illegal drug use and build trust to stop an outbreak of Ebola.