Zothecula writes: Popeye gets his strength from downing a can of spinach and what works for him also works for solar panels. Researchers at Vanderbilt University led by David Cliffel and Kane Jennings have come up with a way to dope silicon with a protein found in spinach to create a more efficient "biohybrid" solar cell that produces substantially more electrical current than previous efforts and may one day lead to cheaper, more efficient solar panels.
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