• In this photo provided by the University of Hawaii, six scientists celebrate as they exit from their Mars simulation habitat on slopes of Mauna Loa on the Big Island, Hawaii, Sunday, Aug. 28, 2016. The scientists completed a yearlong Mars simulation in Hawaii on Sunday, where they lived in the dome in near isolation. (University of Hawaii via AP)

    Scientists exit Hawaii dome after yearlong Mars simulation

    HILO, Hawaii (AP) — Six scientists have completed a yearlong Mars simulation in Hawaii, where they lived in a dome in near isolation.

  • Commercial crabber Mal Luebkert holds a block of Organobait synthetic bait on his boat on the Great Wicomico river in Heathsville, Va., Thursday, Aug. 18, 2016. Fisheries for lobsters and crabs have grappling with a shortage of bait that synthetic bait may help with. (AP Photo/Steve Helber)

    Goodbye, herring? Biotech bait gives lobstermen alternative

    PORTLAND, Maine (AP) — Lobster and crab fishermen have baited traps with dead herring for generations, but an effort to find a synthetic substitute for forage fish is nearing fruition just as the little fish are in short supply, threatening livelihoods in a lucrative industry.