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Kathleen Knight

  • A very healthy lingering ash tree at Seymour Nature Preserve in Delaware, Ohio in 2020. (credit: Kathleen Knight)
    The Last to Leave
    Daniel Wanschura
    A researcher in Ohio was surrounded by hundreds of dead ash trees. They had been wiped out by this beetle called the emerald ash borer. But then, in that same forest, she found a lone tree thriving. Could this tree be the key to saving ash from extinction?