Check out this posting about how scientists are able to reverse the Krebs cycle :
New insights into the origin of life on Earth from PhysOrg.com
In an advance toward understanding the origin of life on Earth, scientists have shown that parts of the Krebs cycle can run in reverse, producing biomolecules that could jump-start life with only sunlight and a mineral present in the primordial oceans.
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It brings to mind some thoughts on reverse engineering. Ray Kurzweil has some interesting things to say on this topic: He believes that "a $1,000 personal computer will match the computing speed and capacity of the human brain by around the year 2020." From there we can only hope for brain 2.0. wonder what that will look like.
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