News articles tagged with 'bear'
Scientists uncover surprising features of bear hibernation
— 18 Feb 2011 17:02 | BiologyBlack bears show surprisingly large and previously unobserved decreases in their metabolism during and after hibernation according to a paper by scientists at the Institute of Arctic…
Polar bear births could plummet with climate change
— 9 Feb 2011 16:23 | EnvironmentUniversity of Alberta researchers Peter Molnar, Andrew Derocher and Mark Lewis studied the reproductive ecology of polar bears in Hudson Bay and have linked declining litter sizes with…
A change of heart keeps bears healthy while hibernating
— 8 Feb 2011 17:54 | BiologyHibernating, it turns out, is much more complicated than one might think…
Polar bears: On thin ice? Extinction can be averted, scientists say
— 16 Dec 2010 17:19 | EnvironmentPolar bears were added to the threatened species list nearly three years ago when their icy habitat showed steady, precipitous decline because of a warming climate…
Biologists report more bad news for polar bears
— 25 Nov 2010 18:09 | BiologyWill polar bears survive in a warmer world? UCLA life scientists present new evidence that their numbers are likely to dwindle…
Polar bears can't eat geese into extinction
— 5 Nov 2010 13:27 | EnvironmentAs the Arctic warms, a new cache of resources - snow goose eggs - may help sustain the polar bear population for the foreseeable future. In a new study published in an early online…
Female Cantabrian bears and their young do not hibernate
— 7 Oct 2010 16:06 | BiologyA team of Spanish scientists followed the brown bear population through the mountains of the Cantabrian Cordillera between 1998 and 2007 in order to find out about their hibernation…
True causes for extinction of cave bear revealed
— 24 Aug 2010 16:18 | Geology and palaeontologyThe cave bear started to become extinct in Europe 24,000 years ago, but until now the cause was unknown. An international team of scientists has analysed mitochondrial DNA sequences…
Beyond polar bears? Experts look for a new vision of climate change to combat scepticism
— 28 May 2010 12:54 | EnvironmentClimate change is about more than just polar bears. That is the message from Dr Kate Manzo whose research into climate change communication has been published in Meteorological Applications.…
Montana State University students take aim at bear spray canisters
— 20 Mar 2010 14:52 | EnvironmentVisitors to national parks and forests are encouraged to use bear spray when they encounter grizzlies, but disposing of the bear spray canisters is a problem that three Montana State…