At lectures there are always some who raise their hands. But I think it’s unethical to send young people, since there are serious health risks. You need highly trained scientists with a life expectancy of less than 20 years.
Paul Davies, on sending people on a one-way trip to Mars in this month’s issue of Wired magazine
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Some days, I think I'd prefer to take the risk and be sent to Mars.
It would be quite a journey!