Check out the Great Exoplanet Debate here. The entire debate is now available as video or in text format – David acts as moderator April 23, 2013 By David
David discussed Venus on the John Batchelor Radio Show on April 3rd at 9:30 EDT! April 3, 2013 By David
David speaks his mind about the “Habitable Zone” in the Great Exoplanet Debate April 3, 2013 By David
