Ancient dinosaur newly discovered: Ugrunaaluk kuukpikensis

Bone specimens at the University of Alaska Museum of the North once belonged to members of a newly defined dinosaur species: Ugrunaaluk kuukpikensis. So far nearly 6,000 individual bones have been cataloged from a group of mostly juvenile dinosaurs of U. kuukpikensis that died on the Arctic flood plain 69 million years ago in a place […]

Hybrid grizzly-polar bear a curiosity

When he heard the news of a grizzly-polar bear hybrid shot in Canada’s Arctic last month, Tom Seaton thought back to an unusual polar bear hide he’d once seen at Nelson Walker’s home in Kotzebue. “He had two polar bear rugs in his house — one was a huge one, and the other was special; […]

Ocean Acidification

  Laura Nielsen for Frontier Scientists Will ocean acidification spell a watery grave for vital parts of marine ecosystems? Marine ecologist Jane Lubchenco, head of the National Oceanic and Atmospheric Administration, named ocean acidification global warming’s “equally evil twin.” * Burning fossil fuels — coal, oil, natural gas — cutting down forests and other post-industrial […]