This episode is presented by eBay.

Rob, everyone loves a deal and a bargain from time to time, don't they? Absolutely, mate. And you know where you can grab a great deal? Talk to me. Where? The eBay app. Yes, you are correct. You didn't need to talk to me. I already knew it. I love eBay. When you're buying, you can discover loads of hidden gems. there's so many items where you think I would have never found that anywhere else.

Then when you're buying, you can discover loads of hidden gems. There's so many items where you think I would have never found that anywhere else. Then when you're selling, it's so simple and most

importantly, free. It's free, Rob. When it's this easy to sell for free and there's great deals

on things you love. You can't help but say when it's eBay. It excludes vehicles and business

sellers.

Welcome to Science Talk, the weekly podcast of Scientific American, posted on August 31st, 2009.

I'm Steve Merski.

And in this episode, we'll talk about the September issue of Scientific American magazine with Editor-in-Chief Marriott D. Christina.

And a little bit about one of the

big questions of our time where is the money going to come from to support new media plus

we'll test your knowledge about some recent science in the news I spoke to Mariette in her office

mariette the September the big September, we always have a single topic issue,

and our single topic this year is...

Origins.

Like of the species?

Like, you know, origins of the species, but like origins of the species and everything else,

actually, which is one of the really fun things about this issue.

We've actually already done our Darwin issue for this special year of Darwin.

So this is a lot of other origins.

Let's real quick talk about some of the types of origins we're talking about,

and then we'll talk about how this issue originated.

...