Science

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EmbedVideo(3149, 482, 304); On Thursday's PBS NewsHour, Tom Bearden reports on efforts to better understand a phenomenon called liquefaction. When a powerful earthquake shakes a region, sandy soils can turn to liquid and lose their ability to…

EmbedVideo(3133, 482, 304); In 1998, Dr. Billy Campbell, a family practitioner in Westminster, South Carolina, opened a land preserve founded on a unique model: enlisting death in the fight for ecological conservation. Calling it the Ramsey…

Apr 11

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Citizen Scientists Track Rain Drop by Drop

*Jim Ridgley checks his rain gauge outside his house in Frederick, Md. Photo by Rebecca Jacobson.* Inside Jim Ridgley's living room in Frederick, Md., the fire station scanner chatters nonstop and the AM radio buzzes with weather reports. A hand-held…