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Jay Keasling, a bald man with a grey beard, wearing black framed glasses and a grey sweater, stands at a wooden podium during a presentation. Jay Keasling, a bald man with a grey beard, wearing brown framed glasses and an orange shirt with white and brown circles Researchers at Berkeley Lab have used bacteria to bring biorenewability to recyclable plastics. Jenny Nuss/Berkeley Lab Researchers wearing gloves and goggles work with sorghum plants in a plant growth lab DOE Seal Portrait of Jay Keasling, a person with short gray beard, wearing green rectangular glasses and light shirt with top bottoms open.