Does anyone have access to technical details about this process? It would be nice to avoid paying for the info via: http://www.sciencemag.org/content/334/6062/1

Does anyone have access to technical details about this process? It would be nice to avoid paying for the info via: http://www.sciencemag.org/content/334/6062/1518.abstract http://www.sciencemag.org/content/334/6062/1518.abstract