This latest report on the evidence for alien life forms is refreshingly level-headed, says David PapineauIf there are extraterrestrial civilisations out there, they don't seem very interested in us. They don't visit, they don't phone, they don't even send radio signals. Not a peep. It is easy to feel start feeling neglected once you become aware of this cosmic cold shoulder. As the eminent physicist Enrico Fermi once put it, "Where is everybody?"It is not as if we haven't been looking out for them. This year marks 50 years since the founding of Seti — the Search for Extraterrestrial Intelligence. In his new book celebrating this anniversary, Paul Davies explains that Seti isn't some confederation of UFO-spotters, but a group of serious scientists who scour the skies for any sign that somebody is trying to get in touch. They have deployed every modern technology in search of unusual radio signals,...
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