Daily Archives: 13th March 2016

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The Gaian Bottleneck (or why Earth is special)

In 1950, Enrico Fermi reputedly exclaimed to his colleagues at Los Alamos National Laboratory, “Well, where are they?” He was talking about alien civilizations. If there’s nothing special about Earth, and there are millions of similar rocky planets in our galaxy then surely carbon-based life would have arisen many times, […]