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Search results for Polar Bears

Earth Sciences Jul 7, 2023

New study underscores need to protect 'oasis of the Arctic'

Amidst the vast frozen and barren terrain of the Arctic is a unique marine ecosystem supporting a web of diverse natural life that, according to a new study by scientist Kent Moore, is managing to sustain itself against the ...

Ecology Jun 26, 2023

The melting Arctic is a crime scene: Microbes have long warned us of this catastrophe, but they are also driving it

The Arctic's climate is warming at least four times faster than the global average, causing irrevocable changes to this vast landscape and precarious ecosystem—from the anticipated extinction of polar bears to the appearance ...

Astronomy Jun 24, 2023

Our galaxy's black hole not as sleepy as thought: astronomers

The supermassive black hole lurking at the center of our Milky Way galaxy is not as dormant as had been thought, a new study shows.

Environment Jun 20, 2023

Media coverage of climate change research does not inspire action, say scientists

The planet is warming because of human activities and the consequences will be devastating for all living beings, including humans. At present, everyone is potentially exposed this information in the media. But how do scientific ...

Evolution Jun 15, 2023

Big hair? Bald? How much difference your hair really makes to keep you cool or warm

We have millions of hair follicles on our body, including around 100,000 on our scalp.

Earth Sciences Jun 10, 2023

Arctic Ocean could be ice-free in summer by 2030s, with global, damaging and dangerous consequences

The Arctic Ocean could be ice-free in summer by the 2030s, even if we do a good job of reducing emissions between now and then. That's the worrying conclusion of a new study in Nature Communications.

Ecology May 23, 2023

Elephants particularly enjoy presence of zoo visitors, study shows

Animal behavior experts at Nottingham Trent University and Harper Adams University investigated more than 100 previous research papers exploring the various ways in which visitors impacted behavior across more than 250 species ...

Plants & Animals Apr 21, 2023

Arctic ice algae heavily contaminated with microplastics, reports new research

The alga Melosira arctica, which grows under Arctic sea ice, contains ten times as many microplastic particles as the surrounding seawater. This concentration at the base of the food web poses a threat to creatures that feed ...

Materials Science Apr 10, 2023

New textile unravels warmth-trapping secrets of polar bear fur

Three engineers at the University of Massachusetts Amherst have invented a fabric that concludes the 80-year quest to make a synthetic textile modeled on Polar bear fur. The results, published recently in the journal ACS ...

Evolution Apr 7, 2023

Woolly mammoths evolved smaller ears and woolier coats over the 700,000 years that they roamed the Siberian steppes

A team of researchers compared the genomes of woolly mammoths with modern day elephants to find out what made woolly mammoths unique, both as individuals and as a species. The investigators report April 7 in the journal Current ...

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