“We’ll use these stable isotope fingerprints of mercury to look at what source is being methylated and getting into the fish,” says USGS’s Sarah Janssen.
Microplastics proliferate in Lake Superior
Researchers are learning about the microplastics in Lake Superior.
Trusting the Science
Agate commentary and an interview with scientist Jim Almendinger
Big plan to change Minnesota’s water quality rules
Minnesota agency plans to set new rules that critics say will allow degradation in water quality.
The Driftless: the land and humans
Here in the Driftless, it’s a never-ending cycle: surface water infiltrates into the soils and karst, becoming groundwater that quickly flows from nearby springs to become surface water again.
Going Driftless
Geologist Jeff Broberg explores the origins of the Driftless Region
Great Lakes Estuaries
Estuaries in the Great Lakes are among the most productive, life-supporting and interesting environments on the planet.
Permitting Minnesota’s mines: what can we learn?
A deep dive into the permitting process for the decades-old Northshore mine and the proposed PolyMet mine reveals a lot about the flaws in the system.
Flexing mussels
The life-and-death secrets of mussels.
Audible underwater worlds
A researcher records sounds under the surface of Minnesota lakes and hopes to learn whether humans are disturbing the lives of the denizens of the deep.









