When folks think of natural springs in Minnesota, their minds may – naturally and understandably – drift toward the rugged, karst geography of southeast Minnesota’s Bluff Country. That’s totally ...
You may be hearing a lot lately about critical minerals and rare earth elements. These natural materials are essential to industry and modern technology – everything from cellphones to fighter jets.
Around 2.3 billion years ago, the Great Oxygenation Event (GOE) marked a major turning point in Earth’s history. The increase ...
Manuel Díaz Cárdenas harvests the tender tips of his Salicornia plants. © Alfredo Caliz The Spanish sun is blistering as farmer Manuel Díaz Cárdenas, equipped ...
Sweetwater Authority in southern San Diego County is considering solutions to fix high concentrations of toxic chemicals in its reservoirs.