Mars to Stay it is assumed the planet will be a magnet for settlers as wage costs will be high. Because of the labor shortage on Mars and its subsequent high pay-scale, Martian civilization and the value placed upon each individual's productivity is proposed as a future engine of both technological and social advancement. In the fifth chapter of "Mars Direct", Zubrin addresses the idea that radiation and zero-gravity are unduly hazardous. He claims cancer rates "do" increase for astronauts who have spent extensive time in space, but only marginally. Similarly, while zero-gravity presents challenges, near total recovery of musculature and immune system
Flight to Mars (film) proposed but never made. "Flight to Mars" is not in the public domain. The copyright was renewed under Certificate # RE-26-731/RE-37-81 from the Copyright Office, Library of Congress. Rights were assigned to Wade Williams. "The New York Times" film review notes: ""Flight to Mars" is the second American film of the postwar era (after the previous year's "Rocketship X-M") to depict a manned space trip to the Red Planet". Critical reaction to "Flight to Mars" was not positive. Film reviewer Glenn Erickson characterized the film as derivative. "Of all the early space movies, none is so disappointing as "Flight to