A couple months ago - just prior to the landing of MSL - I did a team talk to NASA's education and public outreach community, alongside fellow blogger and new "Baruch Blumberg NASA/Library of Congress Chair in Astrobiology" Dave Grinspoon.
Characterizing the “Missing Era” of Prebiotic Evolution
by Sara Imari Walker
Posted on: 13, Apr 2012
Water flows on the surface of Mars.
by Noah Hammond
Posted on: 11, Apr 2012
Found the Higgs… now find the aliens!
by Adi Chopra
Posted on: 4, Apr 2012