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.

Science talk will begin after this short message.

Hi everyone. I'm Andrea Alfano.

And I'm Brian Stallard. And we're the hosts of Base Pares, the podcast about the power of genetic information from Cold Spring Harbor Laboratory.

The stories we tell involve some big issues that may seem totally unrelated to genetics,

like climate change.

We'll tell you how genetic tools could help in the fight against climate change a little later on in this episode of Science Talk.

Stay tuned.

Welcome to Scientific American Science Talk posted on September 5th, 2018.

I'm Steve Merski.

Every September, Scientific American publishes an issue devoted in its entirety to a single topic.

We cleverly call it our single topic issue.

And the 2018 edition is about you.

To explain further, I spoke with Gary Sticks.

When Scientific American was founded in 1845, Gary was the copy boy. Okay, hasn't been here quite that long, but he's a senior editor. And when I showed up more than 20 years ago, he already had

big piles of books on his desk. But enough about us,

let's talk about you. Gary, the special September issue, single topic issue, humans, why were

...