In 1982, Caltech chemist Harry Gray discovered that electrons "tunnel" -- skip across chains of molecules -- through proteins. This turns out to be how living things convert energy into fuel. It's all made possible by hybrid molecules called metalloproteins, which combine the flexibility of proteins with metal's ability to catalyse chemical reactions.
By: Thomas Hayden, Edited by: Kadhim Shubber
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via Wired.co.uk
http://www.wired.co.uk/magazine/archive/2013/03/big-ideas/fuel-earth-using-micromachines
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