Human food waste 'threat' to polar bears: report

The invasion of a remote Russian village by dozens of ravenous polar bears three years ago captured headlines around the world, with images of groups of animals gorging on rubbish in an open garbage dump.

Why don't insects freeze solid in the Arctic?

Life in the Arctic is harsh. Arctic temperatures are punishing, making life difficult for many animals to survive. Yet lots of insects, including mosquitoes, manage to thrive in the frozen region. So why don't they freeze ...

Ozone depletion over North Pole produces weather anomalies

Many people are familiar with the hole in the ozone layer over Antarctica, but what is less well known is that occasionally, the protective ozone in the stratosphere over the Arctic is destroyed as well, thinning the ozone ...

Dynamics of ocean worlds likely controlled by their rotation

Discovering that many of the large moons in the outer solar system may host significant subsurface oceans of liquid water has been a key advance in planetary science. These moons represent some of the most promising habitats ...

Earth's atmosphere may be source of some lunar water

Hydrogen and oxygen ions escaping from Earth's upper atmosphere and combining on the moon could be one of the sources of the known lunar water and ice, according to new research by University of Alaska Fairbanks Geophysical ...

Flame-retardants and plasticizers found in the oceans 

After the successful ban of the flame-retardant substances called PBDEs in the early 2000s, it got replaced by another problematic chemical group called Organophosphate esters (OPEs). Since then the use of OPEs increased ...

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