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Articles written by Dirk Lammers


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  • SD prison guard killed during failed escape try

    DIRK LAMMERS, Associated Press

    AP Photo/Dirk Lammers A guard house sits atop a wall of the South Dakota State Penitentiary, where a guard was shot and killed during a failed escape attempt, Tuesday in Sioux Falls, S.D. The two suspects in the case were apprehended. SIOUX FALLS, S.D. — Two convicted kidnappers killed a guard Tuesday during a failed attempt to escape from a Sioux Falls prison where they were serving lengthy sentences, authorities said. Rodney Berget and Eric Robert, both 48, were apprehended on the grounds of the South Dakota P...

  • Minnesota plant will make fertilizer with wind

    DIRK LAMMERS Associated Press Writer MORRIS, Minn.

    The winds sweeping across the Northern Plains could soon help farmers fertilize their crops of corn, wheat and sorghum. Minnesota researchers have designed a $3.75 million carbonfree system that uses wind power from a towering turbine to produce anhydrous ammonia, a common nitrogen-based fertilizer. It's a perfect supply-anddemand match, as the region has no shortage of wind and U. S. farmers use millions of tons of fertilizer, said Michael Reese, director of the University of Minnesota Renewable Energy Center at Morris. The...

  • Food, fuel from flowers

    DIRK LAMMERS Associated Press Writer SIOUX FALLS, S.D.

    A $10.5 million research project aimed at mapping the DNA sequence of sunflowers could one day yield a towering new variety for both food and fuel. Researchers envision crossbreeding a standard sunflower with the Silverleaf species out of Texas to produce a hybrid with bright yellow flowers bursting with tasty seeds and thick stalks filled with complex sugars that can be turned into ethanol. The wild, drought-resistant Silverleaf is known for its woody stalks, which can grow up 15 feet tall and 4 inches in diameter. "Since...