Summary: <p>We are all Martians … or could be, if, billions of years ago, Red Plant microbes fell to Earth and eventually evolved to us. Okay, that one’s a big “if.” But microbes can survive space travel. Meet the <span class="caps">NASA</span> officer whose task is to keep Earth, Mars – and the entire solar system –safe from hitchhiking bacteria.</p> <p>And, even if we’re not Martians (darn!), did life once thrive on the Red Planet … and does it still today?</p> <p>Plus, why meteorites may be happy habitats for life.</p> <h2>Guests:</h2> <ul> <li> <a href="http://solarsystem.nasa.gov/people/profile.cfm?Code=ConleyC"><strong>Catharine Conley</strong></a> – <span class="caps">NASA</span> planetary protection officer</li> <li> <a href="http://spacescience.arc.nasa.gov/staff/chris-mckay%20"><strong>Chris McKay</strong></a> – Planetary scientist, <span class="caps">NASA</span> Ames Research Center</li> <li> <a href="http://cosmos.asu.edu/"><strong>Paul Davies</strong></a> – Director of the <a href="http://beyond.asu.edu/drupal/media/paul-davies-origins-life"><span class="caps">BEYOND</span>: Center for Fundamental Concepts in Science</a> at Arizona State University</li> <li> <a href="http://astrochem.wordpress.com/2012/03/10/nasa-meteorites-reveal-another-way-to-make-lifes-components/"><strong>Aaron Burton</strong></a> – Astrobiologist, <span class="caps">NASA</span> Goddard Spaceflight Center</li> <li> <strong>Debbie Kolyer</strong> – Grants Manager, <span class="caps">SETI</span> Institute</li> <ul><p><strong><a href="http://www.seti.cl/podcast-del-instituto-seti-a-la-tierra-y-de-regreso/">Descripción en español</a></strong></p></ul> </ul>
