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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 6, 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.

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 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.

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 ...

Space Exploration Feb 7, 2020

Can polarity-inverted membranes self-assemble on Saturn's moon Titan?

Astrobiologists are focused on resolving two central questions to understand the environmental and chemical limits of life. By understanding life's boundaries, they intend to identify possible biosignatures in exoplanet atmospheres ...

Environment Feb 7, 2020

A blanket ban on toxic 'forever chemicals' is good for people and animals

Lowe's recently joined the Home Depot and other major retail chains in phasing out the sale of products treated with poly- and perfluoroalkyl substances, toxic chemicals more commonly known as PFAS. Specifically, Lowe's said ...

Environment Feb 5, 2020

Photos of 'king tides' globally show risks of climate change

Tourists, nature lovers and amateur scientists are whipping out their cameras to document the effects of extreme high tides on shorelines from the United States to New Zealand, and by doing so are helping better predict what ...

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 ...

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