 How is one able to escape the Varsoom?
The Spacemen's was a sanctuary, a rest club where in-coming pilots and crewmen could relax before leaving for another voyage. The rule that no females could pass its portals was strictly enforced. There she stood before a frantically gesticulating desk clerk, leaning on her faded green umbrella. If Annabella C. Flowers wrote a novel, and the locale was the desert of Mars, she packed her carpet bag and hopped a liner for Craterville. Before I realized it, I was following her through the lounge and out to the jetty front. A theater to the grizzled colonials on this side of the planet meant a shack on stilts over the muck, zilcon wood seats and dingy atobide lamps. On the stage four Earthmen, two Martians, two Venusians, and one Mercurian sat on an upraised dais. On the right were nine visi sets, each with its new improved pantascope panel and switchboard. When it had subsided, the man continued: "As most of you are familiar with our program, it will be unnecessary to give any advance explanation. I will only say that on this stage are nine visi sets, each tuned to one of the nine planets. For every question missed, the sender will receive a check for one thousand planetoles . Questions from Mars, from Earth, from Saturn flowed in the visi sets. Isolated miners on Jupiter, dancers in swank Plutonian cafes strove to stump the experts. When they failed, or when the Truthicator flashed a red light, he announced the name of the winner. Moments later an official hydrocar roared up and a dozen I.P. men rushed out and scattered the crowd. She took my arm and led me around a corner and through a doorway under a sign that read THE JET. "When it was finished I had planned to take a six months' vacation, but those fool publishers of mine insisted I do a sequel. The Alpha rays of this rock are similar to radium in that they consist of streams of material particles projected at high speed. Like those set up by radium, they are electromagnetic pulsations, but they are also a strange combination of Beta or cathode rays with negatively charged electrons. "When any form of life is exposed to these Gamma rays from the Green Flame rock, they produce in the creature's brain a certain lassitude and lack of energy. As the period of exposure increases, this condition develops into a sense of impotence and a desire for leadership or guidance. Occasionally, as with the weak-willed, there is a spirit of intolerance.
 By laughing
 By laughing  By using protection of a Venusian  Use of heat rays  By throwing Green Flames