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Thank you. and quote Science Podcast to receive special offers. Welcome to the Science Podcast for August 7, 2015.

I'm Sarah Crespi.

In this week's show, Andrea Marzzi talks with Suzanne Bard

about a potential new vaccine against Ebola.

And David Grimm is here with some of our latest online news stories.

Support for the science podcast is provided by AAAS, the American Association for the Advancement of Science.

AAAAS, the Science Society, at www.aaAS.org.

Now we have David Grimm, editor for our daily news site.

He's here to talk about some recent online stories.

I'm Sarah Crespi.

First up, we have a story on how one might get all the benefits of gastric bypass surgery

without actually having to go under the knife.

The way weight loss surgery works seem simple.

Having less stomach makes you less hungry.

But scientists have known for a while now that there is more to it than that.

People who have had these surgeries see big changes in their metabolism, and in some cases, if they have more to it than that. People who have had these surgeries see big changes in

...