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 back for part two of the Science Talk podcast with Mary Roach, author of the new book Packing for Mars. I'm still Steve Merski. After her session with an audience, which you heard in

part one, Mary and I found a quiet corner of the Upper West Side Barnes & Noble

and discussed further how bad it is to be in space.

Hi, Mary.

Hi, Steve.

Just coincidentally, a couple weeks ago, I watched 2001.

Yes.

And even before reading your book, I remember thinking,

the space station, the ship they're on, it's so clean.

It's so pristine.

And they're shaved.

They look all together.

It's nothing like that in space, right?

It's not, no.

Yeah.

And I know because I found those papers from the space cabin simulator studies where they

...