Archaeologists dig up 1,600-pound coffin in Roman grave filled with curious material: 'A rare find'
An ancient Roman grave filled with white gypsum was found in England, officials announced last week. The material was ...
Ohio AG Yost suing U.S. Gypsum for $17M over Ottawa County sinkholes near State Route 2
Yost says the United States Gypsum Company "failed to maintain underground mines that caused dangerous sinkholes." ...
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True Colors
Ten thousand years ago, as the last Ice Age was ending and temperatures rose, an enormous glacial lake in New Mexico’s Tularosa Basin dried up, revealing something unusual: bright-white gypsum sand.