Ah, Benny's parents, thanks for coming.

Hiya.

So, Benny has really blossomed this term.

You're telling me, he outgrew his bike. We sold it, on eBay.

Oh, that's not quite what I meant.

It's free to sell on there.

Free to sell?

Easy too. Sold Benny's bike, your guitar, my jacket.

You sold my guitar?

Shall we talk about Benny?

When it's this easy to sell for free, you can't help but say when it's eBay.

Things people love.

T's and Cs apply, exclusive vehicles.

Welcome to Science Talk, the weekly podcast of Scientific American posted on September 3rd, 2010.

I'm Steve Merski. This week on the podcast,

cooking is all about physical and chemical changes in the things that you're heating. And those,

those changes occur at particular temperature points. That's Jeff Potter, author of Cooking for

Geeks, Real Science, Great Hacks, and Good Food. We'll hear from him, plus we'll test your knowledge

of some recent science in the news. Jeff Potter is a software engineer and science-oriented cook.

Cynthia Graber, who does many of our daily podcasts, sat down with Potter last week in his apartment

in Cambridge, Massachusetts.

So I want to start first with kind of the purpose behind the book.

...