Walking Back To Genesis

Via Arts & Letters Daily, this is a taste of Dawkins’ new book Walking back to genesis. It looks like a fascinating piece, exploring the path of our evolution backwards to the first life on earth, conceived of as a Chaucerian pilgrimmage. And it’s probably of particular interest to SF geeks like me, who could use some help considering how aliens might look:

This kind of comparative exercise, counting which things evolve often, and which seldom, might help us to predict things about life outside this planet. Which features of life are parochial, and which universal? This is a question that biologists ask less often than they should.

Okay, I almost never write about aliens anyway, but it still looks fascinating.

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