Science
Irrigating crops with oil field wastewater
Drought has raised interest – and concerns about testing for water contamination
Science
Secrets of Saturn's moon Enceladus
Enceladus is erupting not in discrete geysers, but in long curtains
Science
U researcher helps Nepal recovery efforts
Paul Morin joins Ohio State researchers to offer satellite images that map damage for first responders.
Business
Xcel agrees to cut coal plant emissions to settle suit over haze in national parks
Settlement will end a lawsuit over haze affecting Voyageurs and Isle Royale national parks.
Politics
Minnesota Senate pulls back on pollinator protection
Bill says plants don't need to be insecticide free to carry label.
Politics
![Bees on a hive in North Carolina on April 14, 2014. ] RENEE JONES SCHNEIDER • reneejones@startribune.com](https://arc.stimg.co/startribunemedia/JG4F52LZGZUF4JUFSZNKJO3QIY.jpg?h=91&w=145&fit=crop&bg=999&crop=faces)
Minnesota could redefine 'pollinator friendly' label
A garden plant labeled that way would no longer need to be free of insecticides, under a proposed change in state law moving through the Legislature.
St. Paul
![Beekeeper and chocolatier Susan Brown inspected one of her honey bee hives on the roof of Union Depot in downtown St. Paul. ] JIM GEHRZ ï james.g](https://arc.stimg.co/startribunemedia/WZAX7ROTVXEYBGNGMEIZOLCTT4.jpg?h=91&w=145&fit=crop&bg=999&crop=faces)
Atop St. Paul's Union Depot, a sweet treat for bees
Hives atop several urban buildings yield sweet success for entrepreneur
Health beat: Get better sleep without the meds
The cognitive approach requires patients to keep detailed sleep journals that identify their periods of wakefulness and what they try to do to get back to sleep.
Science
Science
Sea stars on the rise?
Hundreds of juveniles have been reported in scattered sites along the Pacific Coast, buoying hopes for a comeback
National
Law left behind as hands-free cars cruise
Regulators struggling to keep up with the release of self-piloting cars.
Science
For 25 years, Hubble Telescope on an unlikely journey
Few icons of science have had such a perilous existence, surviving political storms, physical calamities and the simple passage of time in the service of cosmic exploration.
Local
Climate change is a culprit in walleye's decline
As state's lakes warm, walleye's cold water prey fish lose ground, and resort owners pay price.
Do you have mosquito magnetism? It's in your genes
New research shows that if mosquitoes are attracted to the scent of a particular person, they are likely to be attracted to her twin's scent as well.
Most Read
- Happy Earth Day! Here are some big and small ways to reduce your carbon footprint.
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- Scientists worried that chronic wasting disease could jump from deer to humans
- This otherworldly fish in Minn. survived the fall of the dinosaurs — but is struggling now
Science and Technology
News coverage and feature stories on the latest in the world of science and tech.