Posted inDecember 21, 2015: Secrets of the Deep

Curious scientists

“Vikings’ mysterious abandonment of Greenland was not due to climate change” read the headline of a recent Washington Post story, detailing new evidence that the Norsemen’s departure from the ice-capped island in the 1300s was not spurred by rapidly cooling conditions, as many scientists had thought. New high-tech rock-dating technology has convinced researchers that glaciers […]

Posted inArticles

Big Ag stands on shifting ground

Between 2006 and 2011, farmers on the western edge of the Midwest’s farm belt in Iowa, Nebraska, Minnesota and the Dakotas converted more than 1.3 million acres of grasslands to corn and soybean fields. Some people were seriously alarmed. Wildlife habitat was destroyed, and water, soil and the air itself suffered. But that conversion of […]

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