Duluth
July 31, 2019
An aerial view shows flooding triggered by a dam collapse near Brumadinho, Brazil, Friday, Jan. 25, 2019. Brazilian mining company Vale SA said it did

PolyMet critics say firm relied on engineer connected to mine dam failure in Brazil

It's cited in the argument in the Minnesota Court of Appeals, which is deciding a challenge to mining permits granted to PolyMet by Minnesota regulators.
Business
July 30, 2019
In this Nov. 1, 2018 photo, Laurel Foster looks at Instagram in San Francisco. App developers say as teens scroll through Instagram and Snapchat, tap

Young Instagram users give up privacy in search of more metrics

Price for getting more viewers is greater than many teens know.
Minneapolis
July 29, 2019
(From left) Pastor Roosevelt Williams, Analyah Schlaeger dos Santos, Khloe Davis and Makayla Freeman pose for a portrait among the solar panels on the

Minneapolis Foundation's new fund helps three nonprofits address climate change in low-income neighborhoods

Grants will fund energy audits, car-sharing promotion and other community efforts.
Science
July 27, 2019
Beth Holbrook retrieves a cisco from a net the biologists set to determine the depth where the fish live.

As lakes warm, race is on to save Minnesota's cold-water fish

As lakes warm, scientists hope to nurture refuge waters for tiny cisco, a key food for game fish
Science
July 27, 2019

Science briefs: Winners who win, even unfairly, still get put in the win column

Science
July 26, 2019

Scientists say they found cure for HIV for some mice

It's an achievement the scientists say could be a step toward a cure for humans.
Science
July 26, 2019
A stethoscope sits on an examination table in an exam room at a Community Clinic health center in Takoma Park, Md. MUST CREDIT: Bloomberg photo by And

U, Mayo researchers link doctor burnout to bias

While numerous studies have examined racial disparities in health care, and physician burnout, few had established a link between the two.
Science
July 26, 2019

New weapons against cancer: Bacteria programmed to kill

This microbial Trojan Horse could one day target cancer cells without flooding the body full of medicine that cause side effects.
July 25, 2019
Franky Zapata, "Le Rocketman", a 40-year-old inventor, performs a training flight over the Saint Inglevert airport near Calais, Northern France, Wedne

Air-board inventor makes it more than halfway across Channel

Looking like a superhero, the French inventor of an airborne hoverboard glided partway over the English Channel on his personal flying machine then crashed in the sea Thursday.
Science
July 25, 2019

Health briefs: Cutting just 300 calories can improve health

Science
July 25, 2019
Men face tough choices in treating prostate cancer. A Penn study strengthens the link between hormone therapy and dementia. (Dreamstime/TNS)

Hormone therapy for prostate cancer tied to dementia risk

The large study from Penn Medicine makes decisions even harder about a level of treatment often added for men with aggressive or metastatic prostate cancer.
July 24, 2019
FILE -- Mark Zuckerberg, Facebook’s chief executive, at a Senate hearing in Washington, April 10, 2018. (Tom Brenner/The New York Times)

Record Facebook fine won't end scrutiny of the company

Facebook survived its latest brush with U.S. privacy regulators, at the cost of a record $5 billion fine and other restrictions imposed by the Federal Trade Commission. But it's far from home free.
West Metro
July 23, 2019
Shorewood Landing Activities Director Nadia Smith, place a virtual reality system onto memory-care resident Cleone Foster, cq, for a session, Tuesday,

Virtual reality lets seniors travel without leaving home

VR technology engages memory-care patients as entertainment and therapy.
Business
July 23, 2019
A Coldwell Banker Burnet sign is shown in St. Louis Park in this file photo from March 2015. (Staff photo by Elizabeth Flores/Star Tribune) ORG XMIT:

Need a real estate agent? Amazon to offer referrals in Twin Cities

The online giant is partnering with Realogy to offer a referral service in 15 metro areas.
Minneapolis
July 20, 2019
A surveillance camera system attached to a light pole. The Oakland, Calif., City Council voted to prohibit the use of facial recognition technology by

Minneapolis official wants to get ahead of police use of facial recognition

Citing concerns about privacy and civil liberties, he plans to push for tight regulations on any future use of the technology by police.
Science
July 20, 2019

What do plants do during a solar eclipse?

St. Paul
July 19, 2019
Colbie Savageau,10, runs an experiment to test what antibacterial agents work best with the help of her aunt Jeanine Huberty.] After 20 years, the Sci

Science Museum of Minnesota to shut down popular Cell Lab

The museum will close the Cell Lab on Sept. 6.
Local
July 19, 2019
This illustration appeared in the Minneapolis Star on July 18, 1969.

Moon germs, Flat Earthers and Russian meddling: Five Apollo 11 storylines

Blast off into the Star Tribune's archives to revisit some of the offbeat headlines during America's mission to the moon 50 years ago.
Science
July 18, 2019

New medical scan allows doctors to get images of your whole body within minutes

Scan covers whole body, offering faster results.
Science
July 18, 2019

Triclosan may increase women's risk of osteoporosis

Chemical in antibacterials may harm women's bone density.

Science and Technology

News coverage and feature stories on the latest in the world of science and tech.