Related topics: climate change · sea ice

New species appear to arise from sudden changes

(Phys.org)—Folmer Bokma, researcher at Umeå University, explains that living species have a limited ability to adapt to the environment. His results suggest that species do not change gradually, as the modern evolutionary ...

Is cannibalism in polar bears on the rise?

(PhysOrg.com) -- A series of photographs of cannibalism in polar bears have been released, and the researchers who witnessed the act think the rate of cannibalism may be increasing. They observed three instances of adult ...

Polar bears losing crucial sea ice: study

Polar bears are losing life-sustaining sea ice crucial for hunting, resting and breeding in all 19 regions of the Arctic they inhabit, a study warned on Wednesday.

Future of polar bears likely to be grim

Will polar bears survive in a warmer world? UCLA life scientists present new evidence that their numbers are likely to dwindle.

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