Science

Lake Superior: Honoring and protecting Minnesota’s natural wonder
Lake Superior is the largest freshwater lake in the world by surface area. MPR News guest host Dan Kraker talks with a scientist, two artists and people who dip into its icy waters about the special relationships Minnesotans have with this natural wonder and how the lake is threatened by climate change.
Why viral reservoirs are a prime suspect for long COVID sleuths
Scientists are turning up more evidence that some people may harbor a viral reservoir in the wake of COVID-19. What could that tell us about long COVID?
Think you're tired? This animal goes for months with only two hours of sleep a day
Scientists have learned that northern elephant seals — massive creatures found along the Pacific Coast of North America — cobble together a couple hours of sleep using underwater power naps.
The Prairie Chicken Society: Celebrating and protecting a prairie icon
The Minnesota Prairie Chicken Society celebrates 50 years of working to protect the iconic prairie species. Once abundant, the prairie chicken is now mostly found in a small area of western Minnesota.