Frances Arnold is a biochemical engineer at Cal Tech working on one part of the energy crisis. In a process called “directed evolution,” Arnold’s team is altering the genetic codes of bacteria to evolve a strain of organisms than can digest grass and excrete biofuel.
We want to hear your feedback so we can keep improving our website, theworld.org. Please fill out this quick survey and let us know your thoughts (your answers will be anonymous). Thanks for your time!