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Re:Would you go to Mars... with no return? It's no surprise to me that there would be no shortage of volunteers for a one way ticket to settle Mars. The urge to spread and proliferate is a primary biological mandate, as well as a quintessential factor of Human Nature and especially the American Character.
Settling Mars would be a grueling, toxic endeavor involving enclosed arcologies and Dune-like moisture conservation. Far worse than the daily routine of distilling your own pee for lack of water is the immutable fact that Mars lacks a magnetosphere. It can never be terraformed as we used to hope, because it can never enjoy the protection from cosmic rays and solar bombardment that makes life on Earth possible. If complex life-forms ever existed on Mars, they were surely doomed by the time the tiny planet's core cooled and stopped generating its vital magnetic shield.
But, Life Finds a Way. As soon as Earth evolved a life-form complex enough to spread to Mars and create it's own portable ecosystem there, colonization became a survival imperative.
Living on Mars will always be like living on a space station-- a maddening tincan existence-- but if we survive long enough to do it, there will always be volunteers.
Thank you Jon, great comment... "a maddening tincan existence?" - sounds like a description of any trip into space.
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