![](https://webarchive.library.unt.edu/eot2008/20090514171233im_/http://astrobiology.nasa.gov/img/_placehold/placehold-ask.jpg)
![Ask an Astrobiologist](https://webarchive.library.unt.edu/eot2008/20090514171233im_/http://astrobiology.nasa.gov/img/text/ask-an-astrobiologist.gif)
"Why is it believed that life originated below the surface, and not above ground?"
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The Science of NAI - Overview Presentations Available as Podcasts
At last week’s NAI Executive Council meeting, each of NAI’s Principal Investigators delivered presentations outlining the science of their teams. Those presentations are now available as downloadable podcasts from the NAI website.
![Recent Articles](https://webarchive.library.unt.edu/eot2008/20090514171233im_/http://astrobiology.nasa.gov/img/text/hd_recent_mb.gif)
- Titan First
- Comment on Titan First
- Program Solicitation in Sedimentary Geology and Paleobiology
- NAI Team Seminars Recorded and Available Online
- Outer Space Oreos
- NAI Ames Research Center Team Launches New Website
- Darwin in a Test Tube
- Reflections of Chirality as a Possible Biomarker
- Student Astronomers Earn Top Honors in State Science Fair
- Reanimating Extinct Genes