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By Anna Barnes  Michigan's supply of nitrogen and phosphorus-based fertilizers has taken a hit from shipping disruptions caused by the U.S. war with Iran. High prices and historic flooding are causing problems for the state's corn and soybean farmers.



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By Riley Wilson Ice covering the Great Lakes stores organic carbon, which is released in a burst during spring melt. As climate change reduces ice cover, researchers say this seasonal surge of energy may be shrinking, with uncertain consequences for these freshwater systems.



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By Eric Freedman

Tiny pieces of moss can be crime-busters, says a study examining how law enforcement agencies, forensic teams and botanists have used moss to solve murders, track missing people, calculate how long ago someone died and – in a notorious Mason County case – try to locate the