A mysterious class of ingredients — like methyl eugenol, benzophenone, ethyl acrylate and pyridine — have evolved largely outside of public view.

No accounting for taste: These artificial flavors are a mystery

Artificial flavors are at the center of a dispute over how ingredients are regulated and how much we know about what we're eating.

Here's how climate change is already changing us

December 6
Warming in action: A changing planet has altered when some trees flower.
Problems combine, pile up and worsen each other.

Around nearby star, astronomers find a cold planet three times the size of Earth

December 6
What lies beyond: A rendering of a super-Earth planet that orbits a star just six light-years away.
A newly detected planet is tantalizingly close, orbiting the closest single star to our sun.
Business
December 8
In this image taken from NASA Television, the SpaceX Dragon cargo spacecraft approaches the robotic arm for docking to the International Space Station

SpaceX Christmas delivery arrives at space station

A SpaceX delivery full of Christmas goodies arrived at the International Space Station on Saturday, following a slight delay caused by a communication drop-out.
Science
December 8
Telemedicine isn’t just a one-way street from the cities to the sticks.

Telemedicine in reverse: Rural Minn. doctors exporting their craft

Telemedicine isn't just a one-way street from the cities to the sticks.
Science
December 6

Science briefs: Octopus behavior baffles scientists

For decades, researchers have studied how certain animals evolved to be intelligent, among them apes, elephants, dolphins and some birds. But all the scientific theories…
Science
December 6
Jamee Cook poses for a photo at Rayburn House Office Building after meeting with congressional leaders on Capitol Hill, Thursday, Sept. 6, 2018, in Wa

Breast implants reveal problems in tracking devices

Device makers were allowed for years to report injuries in bulk, not individual cases. It's a practice that health advocates say obscures the true volume of malfunctions.
Science
December 6
The muscles of older men and women who have exercised for decades are indistinguishable in many ways from those of healthy 25-year-olds, a recent stud

Regular exercise may keep your body 30 years younger

A new study suggests you can take decades off your age with physical activity.
Science
December 6

Health briefs: More teens are texting while sleeping

  People are known to walk, talk and eat while sleeping. Now, there is sleep texting. A study from Villanova University found that the habit…
Science
December 6

5.6 million youths have food allergy

Food allergies can have serious health repercussions with reactions from mild to life-threatening.
Local
December 6

Ecolab Foundation gives $5 million to U for green research

The money will fund endowed chair, scholarships and more.
Local
December 6
Wolf researcher Austin Homkes stood next to the largest jack pine in the United States, which is in Voyageurs National Park along the Namakan Lake sho

Northern Minnesota jack pine is the largest in the United States

The tree along the Namakan Lake shoreline in Voyageurs National Park makes Minnesota the home to four of the 783 national champions and co-champions.
Business
December 6
FILE--In this photo file taken Monday, May 7, 2018, solar panels are seen on the rooftop on a home in a new housing project in Sacramento, Calif. Cali

California first state to mandate solar power for new homes

California became the first state in the nation to require homes built in 2020 and later be solar powered, following a vote by the Building Standards Commission.
Nation
December 6

What caused ancient mass extinction? Hot ocean water blamed

Scientists think they've figured out the falling dominoes that led to Earth's largest mass extinction and worry that human-caused climate change puts the planet on a vaguely similar path.
World
December 5
FILE- In this April 10, 2018, file photo Facebook CEO Mark Zuckerberg pauses while testifying before a joint hearing of the Commerce and Judiciary Com

Documents show Facebook used user data as competitive weapon

Internal Facebook documents released by a U.K. parliamentary committee offer the clearest evidence yet that the social network has used its enormous trove of user…
World
December 5
A woman wearing a mask against pollution walks by a poster promoting environment protection on display at a sidewalk in Beijing, Wednesday, Dec. 5, 20

Brazil warns against sidelining poorer countries on climate

Brazil warned Wednesday against freezing developing nations out of negotiations at the U.N. climate summit, suggesting this could lead to an acrimonious collapse in talks seen in Copenhagen nine years ago.
World
December 5
Giant termite mounds cover a field near Palmeiras, Brazil, Saturday, Nov. 24, 2018. Radioactive testing found the mounds, which cover an area about th

In Brazil backlands, termites built millions of dirt mounds

Roy Funch, an American botanist who has lived and worked in Brazil's hardscrabble northeast for decades, long looked at huge cone-shaped mounds of mud in the distance and wondered.
Nation
December 5
This Dec. 15, 2017 photo provided by transplant surgeon Dr. Wellington Andraus shows the baby girl born to a woman with a uterus transplanted from a d

1st baby born using uterus transplanted from deceased donor

Brazilian doctors are reporting the world's first baby born to a woman with a uterus transplanted from a deceased donor.
World
December 5
.

Austria's cure for online hate? Therapy sessions for trolls — politicians included

An Austrian politician was just sentenced to a six month counseling program to teach him manners and how to behave online.
Local
December 4
Minnesota Pollution Control Commissioner John Linc Stine.

MPCA chief hears a wave of worry over Fillmore County feedlot plan

Foes of a 5,000-hog farm in Fillmore County flooded the meeting in Mabel, Minn., near the Iowa border.
Business
December 4
Jeff Bezos, founder of Amazon, which is getting into the space business with a Lockheed Martin partnership, stood by a copper exhaust nozzle for a roc

Inside Amazon's plan to profit from space data

It seeks to capture market to process massive streams of data beamed to Earth from satellites.
Outdoors
December 4
A close up image of a gray wolf in autumn. (Dreamstime/TNS)

Republican effort to delist gray wolf is fading fast

The initiative has been stuck in the Senate, and with only days remaining in this year's congressional session.
Science
December 3
This Nov. 16, 2018, image provide by NASA shows the asteroid Bennu. After a two-year chase, a NASA spacecraft has arrived at the ancient asteroid Benn

NASA is about to grab piece of asteroid. That's even harder than it sounds.

The Empire State Building-sized asteroid, called Bennu, is so small and its gravity so minimal that if you stood at Bennu's North Pole and jumped, you would achieve escape velocity and go soaring off into the void.