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Thank you. and quote Science Podcast to receive special offers. Welcome to the Science Podcast for December 12, 2014.

I'm Sarah Crespi.

In this week's show, we have David Grimm up first with some online news stories.

And then we have Eric Jarvis here to talk about a big

batch of bird genomes. Support for the science podcast is provided by AAAS, the American

Association for the Advancement of Science, advancing science, engineering, and innovation throughout the world for the

benefit of all people.

AAAS, the Science Society, at www.aAAS.org.

Now we have David Grimm, editor for our daily news site. He's joining us by phone, and he's here

to talk about some recent online news stories.

I'm Sarah Crespi.

First up, we have a story on an extraterrestrial source of life.

One theory of how life on Earth came to be is that it was brought here by an asteroid.

Now some scientists are saying, close but not quite right. They say it's possible the impact of an

asteroid itself might have created life, and they showed some proof in the lab. So, Dave,

how did they set up this experiment? Well, Sarah, it all starts with a high-powered laser. And the

...