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. This scientific American podcast

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Steve Mersky here.

Welcome back for part two of my conversation with Emily Anthe's, author of Frankenstein's

cat, cuddling up to biotech's brave new beasts.

So you also, you have some interesting fish at home.

Not anymore.

Well, let's talk about what they were first.

Sure. So these are glowfish. And what's amazing about them is they're sort of the first

official transgenic pets available on the market in the U.S. And technically, they're zebrafish, which look, as you might expect, from a fish named zebrafish.

They normally have these black and white stripes.

They're tiny tropical fish.

They've been popular in the aquarium industry for decades.

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