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The fact is that Alvy was thinking in species time, and history tells us that species do go extinct; that our day will come to an end and that maybe it is something we should be thinking about.
Science writer and blogger Annalee Newitz, has certainly been thinking about it, and she lays it out in Scatter, Adapt, and Remember: How Humans Will Survive a Mass Extinction
My conversation with Annalee Newitz:
Click here to listen on your iphone or ipad