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Tuesday, November 15, 2005
PLoS on the Origin of Origins
PLoS biology has an interesting review on the state of "Origin" science called, Jump-Starting a Cellular World: Investigating the Origin of Life, from Soup to Networks by Richard Robinson. It's written for a lay audience and like all good science writing opens with a joke:
A physicist, a chemist, and a mathematician are stranded on a desert isle, when a can of food washes up on the beach. The three starving scientists suggest, in turn, how to open the can and ease their hunger. The physicist suggests they hurl it upon the rocks to split it open, but this fails. The chemist proposes they soak it in the sea and let the salt water eat away at the metal; again, no luck. They turn in desperation to the mathematician, who begins, "Assume we have a can opener..." I hadn't heard the metabolic hypothesis before, it certainly is interesting. Also, some articles on evolution as always. In flies Divergent (Selection and the Evolution of Signal Traits and Mating Preferences), in bacteria (Exploitative and Hierarchical Antagonism in a Cooperative Bacterium), and in humans (Emergence of Young Human Genes after a Burst of Retroposition in Primates) and (The Case for Selection at CCR5-delta32). |
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