Reason Magazine - Defenders of Earth: "What do asteroid impacts have to do with the Gaia hypothesis? In Gaia: A New Look at Life on Earth, Lovelock asked, 'To what extent is our collective intelligence also a part of Gaia? Do we as a species constitute a Gaian nervous system and a brain which can consciously anticipate environmental changes?'
Perhaps Gaia has gotten tired of being whacked by asteroids and having to restart biological evolution over and over again. Perhaps she evolved technologically sophisticated, big-brained mammals who can travel in space as a way of protecting herself from asteroids. Like antibodies that protect the body from invading disease organisms, humans can defend our Earth Mother against extraterrestrial intruders. Just a thought."
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