Scientific American has posted an interview and podcast with Portland State University anthropologist Cameron Smith about the ways in which humans might evolve during extended missions in space. Given the intense timeframes involved, Smith speculates about the various ways in which Darwinian pressures will continue to shape human evolution. Just because we’re in space, he argues, doesn’t mean evolution has stopped. But while Smith is right about our need to adapt to space, his vision of how it will come about is utterly wrong — and here’s why.
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