Αρθρο στο WIRED
The Genetics (and Ethics) of Making Humans Fit for Mars!!
We could make people less stinky, more resistant to radiation, even less dependent on food and oxygen. But would the new creature be human?
Serious biologists, including some who work with NASA, have begun to ask whether humans could be genetically altered for space travel. Their queries prompt more profound questions about our responsibilities and duties in the next phase of human evolution.
AS GEORGE CHURCH, a Harvard geneticist and leading synthetic biologist, argues: “One likely path for risk reduction in space does seem to involve biological engineering of adult would-be astronauts.” He has identified 40-some genes that might be advantageous for long-term spaceflight (and would benefit those who stayed behind, too). His list includes CTNNBI, which confers radiation resistance, LRP5, which builds adamantine bones, ESPA1 (common in Tibetans), which allows people to live with less oxygen, as well as a host of genes that might make us smarter, more memorious, or less anxious.
In Mr. Sammler’s Planet, published shortly after the flights of Apollo 10 and 11, Saul Bellow asked, “How long … will this earth remain the only home of Man? How long? Oh, Lord, you bet! Wasn’t it the time—the very hour to go? To blow this great blue, white, green planet, or to be blown from it.” Perhaps it’s time to think of children who can leave home. Scientists are telling us we should consciously direct our evolution, rather than surrender our fate to time, chance, and death—evolution’s historical servants. Of course, the inheritors who left Earth would be as different from sapiens as we are from Neanderthals. “There will be a speciation,” says Mason. “It’s not if, it’s when.”
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  • Vassilios Psonis
    Αυτό που κανείς με το διαβολόδεντρο😁
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