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"Lake Vostok has been totally isolated for almost 15 million years"
I keep thinking that life on Mars is in deep subterranean rivers and lakes, from when life retreated from the surface. This river poses the same issues of exploration vs contamination.
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The Scientist's summary of the paper on the farming amoebas. Original paper behind paywall (open access FAIL).
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"Here we show that the social amoeba Dictyostelium discoideum has a primitive farming symbiosis that includes dispersal and prudent harvesting of the crop. About one-third of wild-collected clones engage in husbandry of bacteria."
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"The changes our technology is bringing are challenging our conceptual frameworks for understanding those changes, including the psychological standpoint Turkle takes as secure."
