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Guest:  Open Lines with Dr. David Livingston;  Topics:  Multiple listener driven topics via listener telephone calls and emails to The Space Show.

Guest:  Dr. Valerie Martindale; Co-host Dr. John Jurist;  Topics:  We discussed Dr. Martindale's to letters to the Aerospace Medical Association members as her President's Letters.  For the first half of our 63 minute program, we focused on her Oct. 2017 letter, "When Does Practice Change."  For the second part of the 63 minute program, we focused on her Dec. 2017 letter, "The Gene Therapy Frontier in Aerospace Medicine."  Links for downloading both letters can be found on our blog for this show.

Guest: Dr. Jim Bell was our guest for this Space Show program. Among the many topics discussed on the show, we talked about his new book, "Mars 3-D: A Rover's-Eye View of the Red Planet" which is widely available and offers unique 3 D views of the Martian planet. Dr. Bell spoke also about one of his earlier books, "Postcards from Mars." We talked about the Mars rovers Spirit and Opportunity as he has been part of the rover team since the start, the Phoenix Lander, and Mars Express. Regarding Spirit and Opportunity, we noted that the 5th anniversary of Spirit was just observed. Dr.