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, for the seven days starting August 15th.

I'm Steve Merski.

This week on the podcast.

There's so much that comes over the border.

There's no way you can expect at all.

Actually, the FDA and USDA inspect only about 1% of all incoming food shipments.

That's Scientific American editor Mark Fischetti,

and we'll hear from him this week about food safety

and also about the state of the city of New Orleans.

We'll also talk with TV producer Jackie Mao

about a big dog show premiering this week.

Plus, we'll test your knowledge about some recent science in the news.

First up, Mark Fischetti.

He's one of the editors at Scientific American, and the author of the article, Is Your Food Contaminated,

that appears in the September special issue of Scientific American all about food, eating, obesity, and nutrition.

He also wrote an article about what could happen to New Orleans in a powerful enough hurricane years before Katrina hit, and we talk a bit about that, too.

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