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

podcast of Scientific American, for the seven days starting August 9th. I'm Steve Murski. This

week on the podcast, we'll talk with journalist Paul Rayburn about how the Environmental

Protection Agency has been taking a long time, decades in fact, to figure out how to handle

some potentially

dangerous chemicals. An astronomer and geologist Peter Schultz talks about his chosen method

of learning about the universe, smashing things into each other. Plus, we'll test you on some

recent science in the news. First up, Paul Rayburn. He's been the science editor for the Associated

Press and was senior editor for Science and Technology at Business Week. He's been the science editor for the Associated Press and was senior editor for

science and technology at Business Week. He's now a freelance journalist and author, and he had

an article in the August issue of Scientific American about the EPA's foot-dragging on pesticide

regulation. I called him at his home in New York City. Paul, thanks for talking to us today.

Yes, he's happy to be here.

You have this article in the August Scientific American about the EPA and DDVP and a whole bunch of alphabet soup.

Let's talk about, first of all, what is DDVP?

What is that chemical?

DDVP, another name for it is dichlorvos, and it's a household pesticide.

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