Wolf researcher Jeff Reed built special recorders to try to understand what the wolves of Yellowstone Park are saying to each other.

When you first start hearing these chorus howls, they kind of sound like a cocktail party in the wild.

Ideas about translating nature.

Listen to the TED Radio Hour on the NPR app or wherever you get your podcasts.

Hello and welcome to Car Talk from National Public Radio with us click and clack to Tappert Brothers,

and we're broadcasting this week from the new diet division here at Cartham Plaza.

Now, as you know, every year or so, or maybe it seems like every month, a new diet fad sweeps the country.

And as we know, all too well, none of them works.

No.

You always end up standing in front of the freezer at midnight eating a cheesecake right out of the box.

But here's a diet that might actually work, and it was invented by none other than our dad.

And this is going to work.

Oh, absolutely. I mean, it's a simple matter of stoichiometry.

Right.

What goes in either comes out or stays inside and turns to what?

Fat.

Right.

But my father, man, the guy's a genius.

One day, my mother is out of the house for the day.

She goes, I don't know, she goes to the bar down the street.

Who knows what she does?

She comes back in the middle of the afternoon.

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