Underwater Robots Track Oil and Ocean Life

Gliders in the Gulf are measuring currents and looking for oil. Could they follow fish, too?

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A month into one of the worst oil spills in history, oceanographers have deployed a fleet of unmanned torpedo-shaped submersibles to track the slick and predict where it’s headed. Host Steven Cherry talks with associate professor Peter Winsor of University of Alaska Fairbanks about what these gliders are doing in the Gulf and how they might also be used to track fish populations in the Arctic seas.