Every language has its taboo words (which many people use all the time). But the list of forbidden words is always changing — and those changes tell us some surprising things about ourselves. Note: The swear words in this episode have been bleeped out. To hear a version of this episode without the bleeps, go to freakonomics.com.

540. Swearing Is More Important Than You Think

Freakonomics co-author Stephen J. Dubner uncovers the hidden side of everything. Why is it safer to fly in an airplane than drive a car? How do we decide whom to marry? Why is the media so full of bad news? Also: things you never knew you wanted to know about wolves, bananas, pollution, search engines, and the quirks of human behavior.

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Society & Culture

Personal Journals

History

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Documentary

Presenting two stories from "The Economics of Everyday Things": Why does it seem like every car is black, white, or gray these days?  And: How self-storage took over America.

Extra: Car Colors & Storage Units

The economist and social critic Glenn Loury has led a remarkably turbulent life, both professionally and personally. In a new memoir, he has chosen to reveal just about everything. Why?

588. Confessions of a Black Conservative

The employee ownership movement is growing, and one of its biggest champions is also a private equity heavyweight. Is this meaningful change, or just window dressing?

587. Should Companies Be Owned by Their Workers?

From politics and economics to psychology and the arts, many of the modern ideas we take for granted emerged a century ago from a single European capital. In this episode of the Freakonomics Radio Book Club, the historian Richard Cockett explores all those ideas — and how the arrival of fascism can ruin in a few years what took generations to build.

586. How Does the Lost World of Vienna Still Shape Our Lives?

Five years ago, we published an episode about the boom in home DNA testing kits, focusing on the high-flying firm 23andMe and its C.E.O. Anne Wojcicki. Their flight has been extremely bumpy since then. This update includes an additional interview with the Wall Street Journal reporter who has been investigating the firm’s collapse.

540. Swearing Is More Important Than You Think

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