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

January 14th, 2009. I'm Steve Murski. This week on the podcast, we'll talk with our space

maven, George Musser, who was at the meeting of the American Astronomical Society last week

in Long Beach,

California.

We'll test your knowledge about some recent science in the news, but we'll start with siam.com's

Larry Greenmire, who was at the Consumer Electronics Show in Las Vegas last week.

We spoke in his office.

First, let's talk about, did you see any gadgets that really blew you away?

I saw some interesting stuff, but not necessarily stuff that I would say blew me away.

You know, I mean, there were some things like cigarettes that are smokeless cigarettes.

You can actually smoke.

It's the reverse of a regular cigarette you put

the filter in with the nicotine you light it up it's a plastic stick and you suck the nicotine out

and it comes out as water vapor so in other words it doesn't pollute the air just your lungs exactly

so you keep your you keep your poor health habits to yourself.

...