North Metro
November 4, 2017
Anne Ciecko worked on extracting DNA from a sample at the Midwest Regional Forensic Laboratory in 2015.

'Game-changer' DNA software put to the test in Minnesota

The forensic software, designed to interpret tricky pieces of DNA evidence, recently confronted what's believed to be its first test in Minnesota.
November 4, 2017
Scientists say fear and its companion — the fight, flight or freeze response — can save us when faced with imminent physical harm.

How to outsmart the anxiety we're wired to feel

Our primitive fight-or-flight instincts can get in the way of everyday life.
November 3, 2017
The rising sun floods the sky with a warm light above the coal power plant in Mehrum, Germany. A U.N. environment report this week says countries and

U.S. report says humans cause climate change, contradicting top Trump officials

Global, long-term warming trend is "unambiguous."
November 2, 2017

Health briefs: Underweight women at increased risk for early menopause

Underweight women are at increased risk for early menopause, a new study has found. The study, in Human Reproduction, followed 78,759 premenopausal women ages 25…
November 2, 2017
The visually impaired still rely largely on the century-old white cane.

This new wristband could help the blind avoid hazards

The device detects objects using high-frequency sound wave, then alerts user with vibrations.
November 2, 2017

Women are more likely to address high blood pressure

Of the 29 percent of Americans who have high blood pressure, fewer than half have it under control.
November 2, 2017

Science briefs: Noise pollution may be causing oysters to close up

Like anyone with rowdy neighbors, oysters may be feeling stressed thanks to the growing problem of underwater noise pollution and are trying to filter out…
November 2, 2017
Shifting: Erratic weather has turned olive oil into a risky business for Mediterranean farmers. Heat waves and drought can destroy entire fields, and

Climate change is putting a strain on olive oil production in Europe

A changing climate is turning olive oil into an increasingly risky business.
November 2, 2017
Feng Zhang’s team reported a type of gene editing that could help fight disease without the risk of permanent side effects.

Scientists working toward a reversible type of gene editing

The hope is of one day fighting diseases without making permanent changes to people's DNA.
November 2, 2017
An artistic interpretation of Sinosauropteryx and the open habitat in which it lived 130 million years ago in the Early Cretaceous.

Dinosaur's markings give hints to its way of life and its environment

Feathers' coloring could have been a sort of camouflage to help creature dodge predators.
November 2, 2017
Ancient Egyptians relied on the flooding of the Nile to irrigate their crops. No flooding meant low food supplies.

Volcanic eruptions in Alaska could have impacted lives of ancient Egyptians

Ancient, far-flung eruptions caused river's flow to slow.
November 2, 2017
Miami’s peacock population is growing, to residents’ dismay.

Iowa could solve Miami's peacock problem

Miami is inundated and annoyed by the fowl.
November 2, 2017
FILE - In this Dec. 12, 2012 file photo, policemen are silhouetted against the Great Pyramid in Giza, Egypt.

Scientists discover hidden chamber in Egypt's Great Pyramid

Scientists say they have found a hidden chamber in Egypt's Great Pyramid of Giza, in what would be the first such discovery in the structure since the 19th century and one likely to spark a new surge of interest in the pharaohs.
November 2, 2017
Deborah Swackhamer, a prominent Minnesota water chemist, was dumped as chair of a key science panel at the U.S. Environmental Protection Agency.

Minn. scientist demoted as Scott Pruitt reshuffles EPA advisory boards

Retired U Prof. Deborah Swackhamer says Trump administration is downgrading science.
November 1, 2017
Facebook's General Counsel Colin Stretch speaks during a Senate Intelligence Committee hearing on Russian election activity and technology, Wednesday

Newly disclosed Facebook ads show Russia's cyber intrusion

A trove of Facebook ads made public Wednesday by Congress depicts Russia's extraordinary cyber intrusion into American life in 2016 aimed at upending the nation's democratic debate and fomenting discord over such disparate issues as immigration, gun control and politics.
October 30, 2017
Diseases that could wipe out entire fields might be exacerbated under climate change. One of particular concern is coffee leaf rust, or “la roya”

Climate change could spell disaster for coffee, but science may offer a solution

Scientists are racing to develop more tenacious strains of one of the world's most beloved beverages.
East Metro
October 28, 2017
A survey of families found that 73 percent credited a White Bear Lake schools initiative called Bear Power for inspiring their kids to try healthier f

Jicama? White Bear Lake kids discovered they love it

In Michelle Selb-Sack’s household, nobody knew what jicama was until her kids were challenged at school to taste it. “They found out they just love…
October 27, 2017

Foreign asteroid swings through our solar system

For the first time, a space rock from another solar system has been spotted cruising through our corner of the universe.The asteroid is about 400…
October 27, 2017
Some mental health experts question whether what fathers experience after birth is truly postpartum depression.

Can fathers have postpartum depression?

Experts are divided over whether dads' depression is the same as what new mothers go through.
October 27, 2017

Health briefs: Panel recommends new shingles vaccine

U.S. regulators have approved a new, more effective vaccine to prevent painful shingles, which is caused by the chickenpox virus. GlaxoSmithKline’s vaccine will be the…