Data collected from 34 sites across North America allowed researchers to quantify the decline in frog populations for the first time. They found that between 2002 and 2011 all frog populations were down nearly four percent.
More than 175 Minnesota lakes and rivers are now infested with zebra mussels, an invasive species that can push out native mussels.
Many of those close calls involve drone pilots flying while wearing goggles that let them see streaming video from the aircraft, but the goggles don't let pilots see where they are, said Williams.
The rebounding grain market has led farmers to withdraw land from the federal Conservation Reserve Program and plow it back into crops. Now, the birds that returned two decades ago are leaving again, raising concerns about the prairie's long term health.
Under the program, landowners and the federal government will split the cost of seeding plants that provide food for bees. Landowners will be paid a bonus for signing on to the program.
Calling sex trafficking a growing problem, Clay County Attorney Brian Melton said he wants to work with local businesses to train employees to spot potential human trafficking.
A Red River Valley farming operation became the first to be certified under the Agricultural Water Quality Certification Program, which rewards farmers who go the extra mile to reduce pollution.
Medical school dean Joshua Wynne says the new space will allow for larger classes. He says the building is also designed to teach doctors and other medical professionals to work collaboratively.
The lawsuit challenges both North Dakota's constitutional ban on gay marriage and its refusal to recognize marriages of same-sex couples who legally wed in other states.
Scientists here discovered that bacteria that break down oil are everywhere, ready to go to work. Even in the northern Minnesota woods there are microbes that eat carbon and break down oil. The population of those bugs explodes when there's oil in the ground.
Hundreds of farmers in the Upper Midwest are collecting data about their fields with drones this year, hoping the information will make their farm operations more productive.
A scattershot approach has long been a weak link in the fight to stop the lake-to-lake movement of zebra mussels, Eurasian watermilfoil and other species damaging Minnesota waterways. More help, though, is on the way.
Peter Sorensen, who founded the center in 2012 to focus research on invasive species such as Asian carp and zebra mussels, will be replaced by Sue Galatowitsch a restoration ecologist.
Bait dealers say regulations designed to prevent the spread of invasive species are making it more difficult for them to collect the bait anglers want.
U.S. Transportation Secretary Anthony Foxx met with local and state officials in Casselton, N.D., Thursday to discuss rail safety.