http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. A new study finds that young muskoxen conserve heat almost as well as adults, a finding that runs contrary to a longstanding assumption among scientists that young animals should be more vulnerable in extreme cold. The study, by biologist Adam Munn from the University of Sydney, Australia, will be published in the forthcoming issue of Physiological and Biochemical Zoology. http://www.physorg.com/news169995350.html Biology Thu, 20 Aug 2009 13:56:25 EST news169995350 The impact of global warming in the Arctic may differ from the predictions of computer models of the region, according to a pair of Penn State biologists. The team -- which includes Eric Post, a Penn State associate professor of biology, and Christian Pederson, a Penn State graduate student -- has shown that grazing animals will play a key role in reducing the anticipated expansion of shrub growth in the region, thus limiting their predicted and beneficial carbon-absorbing effect. The team's results will be published in the online Early Edition of the journal Proceedings of the National Academy of Sciences sometime between 18 and 22 August 2008. http://www.physorg.com/news138297883.html Biology Mon, 18 Aug 2008 17:04:43 EST news138297883