When it comes to drug habits, the effect on the brain can be dramatic.

How opioids radically alter the structure of your brain

Neuroscientists' discoveries may improve addiction treatment, make medicine safer.

Marine mammals lost gene that they may now desperately need

August 16
Many marine mammals, including manatees, no longer produce an enzyme that protects against harmful chemicals and some pesticides.
A new study reveals many species stopped making the same enzyme, one that provides an essential defense against certain kinds of pesticides.

Future of plastic may be ones designed to self-destruct

August 16
Adam Feinberg demonstrates plastic degradation, in Urbana, Ill., Aug. 5, 2018. Scientists are developing new plastics that, when prompted, self-destru
New materials could fuel medical devices and fight global waste.
Nation
August 19
A contact lens can make its way into treated sewage. Flushing disposable contacts down the toilet or washing them down the drain may contribute to the

Think plastic pollution before you toss your contacts down the drain

If you throw out your contact lenses every day or so, you’re not alone — more than 45 million people in the U.S. wear contacts,…
South Metro
August 18
Biology student Sam Hansen, kayaking near Pokegema Bay, is researching whether paddlers’ activity will scare away geese that are gobbling up wild ri

Near Duluth, geese police paddle to save a beloved grain

University student's research involves scaring away hungry birds.
World
August 18
Food for the afterlife: The cheese, believed to be among the oldest specimens ever found, was discovered in an Egyptian tomb and identified using mode

New treasure from ancient Egypt: 3,200-year-old cheese

A few years ago, a team of archaeologists cleaning sand from an ancient Egyptian tomb discovered a group of broken jars, one of them containing…
Local
August 18
In this Monday Aug. 6, 2018 photo, a dead Snook is shown along the water's edge in Bradenton Beach, Fla. From Naples in Southwest Florida, about 135 m

Reeking red tide catches Minnesotans in Florida

Gulf Coast snowbirds hold their noses during southwest Florida's state of emergency.
World
August 16
The wreckage of a U.S. plane found on a Swiss glacier helped tell the story of the death-defying flight.

Melting ice in Swiss glacier uncovers 1946 wreckage of U.S. plane

A large part of the wreckage of the U.S. Air Force transport plane, including a wing and items from the cabin, was uncovered.
Science
August 16

Health briefs: Feeling dizzy, lightheaded when standing may be risk factor for future dementia

Feeling dizzy or lightheaded when you stand up may be a risk factor for stroke and dementia years down the road, a study reported. The…
Science
August 16
Kela Abernathy held her son Kaleb, who was born eight weeks premature along with his twin sister, at a hospital in Cape Girardeau, Mo. The hospital is

Medical care is growing dangerously distant for women in rural America

As more hospitals close, obstacles for medical care grow dangerously distant for some women
Science
August 16

Science briefs: Is something alive inside some precious gems?

Deep red garnets are found all over the world, from Thailand and Sri Lanka to the Adirondacks. The stones that make their way into rings…
Science
August 16

Researchers discover 2 new nonnative species in Great Lakes

The arrival and staying power of both species in western Lake Erie remains a mystery to scientists.
Science
August 16
A buzzing bracelet created by a St. Louis Park startup seeks to counteract a condition known as trichotillomania — the habitual, often subconscious,

St. Louis Park startup receives grant to test bracelet to prevent hair pulling

HabitAware received $300,000 federal grant to test non-pharmaceutical approach.
Business
August 15
Amazon and Microsoft are seeking to capitalize on each company’s strengths in consumer technology and workplace software.

Alexa, Cortana finally get the conversation going

It marks the first time competing digital assistants can interact.
Business
August 15
Medtronic corporate campus

Scrutiny continues as Medtronic acknowledges cybersecurity issues with its medical devices

Critics say company has been slow to act on medical devices' cybersecurity vulnerabilities.
TV & Media
August 14
FILE - In this April 19, 2017, file photo, Alex Jones, a right-wing radio host and conspiracy theorist, arrives at the courthouse in Austin, Texas. Tw

Twitter suspends conspiracy theorist Alex Jones for 1 week

Twitter says it is suspending the account of the far-right conspiracy theorist Alex Jones for one week after he violated the company's rules against inciting violence.
Business
August 14
LivePerson, which makes support software used by 18,000 companies, said that when given the option, 70 percent of people chose “message us” over �

Hate to call customer service? Try texting instead

We wait less and are nicer when we text, and companies find it more efficient too.
Nation
August 14
Dan Callahan caught a glimpse of the solar eclipse on Aug. 31, 2017, in Minneapolis.

2017 solar eclipse was one of most-watched events in U.S. history

“We’re all together” during a total solar eclipse. That was Mike Kentrianakis’s promise. It was July 2017, a little more than a month before the…
Nation
August 12
Aboard a Lummi Nation police boat, tribal members, NOAA and others use a dip net to lift a chinook salmon from a fish tote to release through the gree

Mother orca releases dead baby after carrying it for 2 weeks

Whale gave birth July 25, swam with the baby's corpse for 17 days.
Science
August 11
A recent editorial in JAMA Facial Plastic Surgery warned of “Snapchat dysmorphia,” a colloquial term for patients seeking surgery to match their s

Tweets and social media photos drive nips and tucks

Expectations driven by social media are affecting patients with eating disorders such as anorexia as well.
Science
August 11
People of all ages and mixed ethnicity groups standing together, community and diversity concept, seamless pattern

Our social networks have critical health benefits

Even the weak ties can serve important functions such as boosting health and buffering against stress and loneliness, researchers have found.
Nation
August 10
King Bass, 6, left, and his 5-year-old sister Princess, leaning her head on his shoulder, watched a wildfire from on top of their parents’ car Thurs

Fighting a fire with live intelligence from the sky

The Ferguson fire marked the first time incident commanders have been able to tell firefighters what was being reported from high above in exact detail in near real time.
Nation
August 10
An illustration depicts the Parker Solar Probe spacecraft.

NASA spacecraft to explore mysteries of the sun

Solar probe is scheduled to blast off from Cape Canaveral this weekend.