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Plants & Animals Mar 13, 2020

Polar bear den detection methods work less than half the time, finds bear expert

When fuel companies explore northern Alaska for oil, federal regulations require them to steer clear of polar bears. To locate the endangered species during winter months, fixed-wing planes mounted with forward-looking infrared ...

Materials Science Mar 13, 2020

Water-free way to make MXenes could mean new uses for the promising nanomaterials

Ten years after producing the first sample of the now widely studied family of nanomaterials, called MXenes, Drexel University researchers have discovered a different way to make the atom-thin material that presents a number ...

Earth Sciences Mar 06, 2020

Image: Canadian Arctic Archipelago

The Copernicus Sentinel-3 mission takes us over part of the Canadian Arctic Archipelago. Most of the archipelago is part of Nunavut—the largest and northernmost territory of Canada.

Nanophysics Mar 24, 2020

Solitonics in molecular wires could benefit electronics

Soliton descriptions for the conducting polymers polyacetylene—descriptions based around a type of solitary wave—caused great excitement when they first broke in the seminal reports by Su, Schrieffer, Heeger (SSH) and ...

Ecology Feb 28, 2020

Climate change threatens relationship between polar bears and ringed seals

The iconic relationship between polar bears and ringed seals is changing in western Hudson Bay, and even though the bears are eating fewer ringed seals, the seals should refrain from celebrating.

Ecology Feb 25, 2020

Shrinking sea ice is creating an ecological trap for polar bears

San Diego Zoo Global researchers studying the effects of climate change on polar bears are using innovative technologies to understand why polar bears in the Southern Beaufort Sea are showing divergent movement patterns in ...

Plants & Animals Feb 12, 2020

Polar bears in Baffin Bay skinnier, having fewer cubs due to less sea ice

Polar bears are spending more time on land than they did in the 1990s due to reduced sea ice, new University of Washington-led research shows. Bears in Baffin Bay are getting thinner and adult females are having fewer cubs ...

Ecology Feb 26, 2020

Cannibalism on rise among polar bears, say Russian scientists

Cases of polar bears killing and eating each other are on the rise in the Arctic as melting ice and human activity erode their habitat, a Russian scientist said Wednesday.

Environment Jan 23, 2020

Your plane travel destroys polar bear habitat

A group of polar bear researchers wants you to do more than worry about the fate of these beautiful animals. They've calculated how much summer sea ice is melted per metric tonne of CO2 emissions. Then you can decide if the ...

Environment Jan 17, 2020

Panic like it's 1999: Why aren't we tackling climate change like we did Y2K?

On Dec. 31, 1999, USC students rang in the New Year in a variety of fashions. But they all faced the prospect of a global IT implosion, now that each year was about to start with a two instead of a one.

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