WASHINGTON (AP) — Billions of American chestnut trees once covered the eastern United States. They soared in height, producing so many nuts that sellers moved them by train car. Every Christmas, ...
FILE - Vernon Coffey, left, William Powell and Andy Newhouse prepare to harvest genetically modified chestnut samples at the State University of New York’s College of Environmental Science & Forestry ...
FILE - Vernon Coffey, left, William Powell and Andy Newhouse prepare to harvest genetically modified chestnut samples at the State University of New York's College of Environmental Science & Forestry ...
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