The Invisible Paw

Humans, it has long been thought, are the only animal to engage in economic activity. But what if we've had it exactly backward?

Extra: Mark Zuckerberg Full Interview

Stephen Dubner's conversation with the Facebook founder and C.E.O., recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

Everything You Always Wanted to Know About Money (But Were Afraid to Ask) (Rebroadcast)

The bad news: roughly 70 percent of Americans are financially illiterate. The good news: all the important stuff can fit on one index card. Here’s how to become your own financial superhero.

Extra: Carol Bartz Full Interview

Stephen Dubner's conversation with the former C.E.O. of Yahoo, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

The Stupidest Thing You Can Do With Your Money (Rebroadcast)

It’s hard enough to save for a house, tuition, or retirement. So why are we willing to pay big fees for subpar investment returns? Enter the low-cost index fund. The revolution will not be monetized.

Extra: Jack Welch Full Interview

Stephen Dubner's conversation with the former longtime C.E.O. of General Electric, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

How to Train Your Dragon Child

Every 12 years, there’s a spike in births among certain communities across the globe, including the U.S. Why? Because the Year of the Dragon, according to Chinese folk belief, confers power, fortune, and more. We look at what happens to Dragon babies when they grow up, and why timing your kid’s birth based on the zodiac isn't as ridiculous it sounds.

Extra: Satya Nadella Full Interview

Stephen Dubner's conversation with the C.E.O. of Microsoft, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

Here’s Why All Your Projects Are Always Late — and What to Do About It

Whether it’s a giant infrastructure plan or a humble kitchen renovation, it’ll inevitably take way too long and cost way too much. That’s because you suffer from “the planning fallacy.” (You also have an “optimism bias” and a bad case of overconfidence.) But don’t worry: we’ve got the solution.

Extra: David Rubenstein Full Interview

Stephen Dubner's conversation with the co-founder and longtime co-C.E.O. of the Carlyle Group, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

Does “Early Education” Come Way Too Late? (Rebroadcast)

The gist: in our collective zeal to reform schools and close the achievement gap, we may have lost sight of where most learning really happens — at home.