Guest: Robert Walker. Topics: Artificial gravity, Earth gravity, life on Mars, and more. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, http://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.

Guest: Maria Catalina. Topics: The Astronaut Teacher Alliance, Atacama Desert in Chile, Teachers in Space, inspiring and motivating students. Maria Catalina was our guest for this Space Show program to discuss The Astronaut Teacher Alliance (TATA), Teachers in Space, and some of the exciting projects TATA is developing with teachers, and students of Chile near the Atacama Desert. This is the program to listen to if you want to know how to reach students, inspire and motivate them, and even get them to respect their teachers, and actually pay attention.