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Polar bears appear to be genetically superior to humans when it comes to warding off heart disease, a new study on the hefty bears finds. What's remarkable is that polar bears are among the most fat-obsessed beasts in the animal kingdom. Credit: Flickr/rubyblossom. "The life of a polar bear revolves around fat," according to Eline Lorenzen of UC Berkeley who worked on the study. It's published in the latest issue of the journal Cell. RELATED: Animal Olympians: Photos "Nursing cubs rely on milk that can be up to 30 percent fat and adults eat primarily blubber of marine mammal prey," Lorenzen explained. "Polar bears have large fat deposits under their skin and, because they essentially...

New Penguin Flu Found in Antarctica

WASHINGTON - A new kind of bird flu has been detected for the first time in Adelie penguins in Antarctica, though the virus does not seem to make them sick, researchers said Tuesday. Adelie penguins. Credit: Getty Creative The virus is unlike any other avian flu known to science, said the report in mBio, a journal of the American Society for Microbiology. "It raises a lot of unanswered questions," said study author Aeron Hurt, senior research scientist at the World Health Organization Collaborating Centre for Reference and Research on Influenza in Melbourne, Australia. The findings show that "avian influenza viruses can get down to Antarctica and be maintained in penguin populations," he...