Eating omega-3 fat helps hibernating Arctic ground squirrels warm up during deep cold

Two wild arctic ground squirrels touch noses in the northern Brooks Range during summer. Credit: Rhiannan William By feeding arctic ground squirrels special diets, researchers have found that omega-3 fatty acids, common in flax seed and fish oil, help keep the animals warmer in deep hibernation. A University of Alaska Fairbanks-led study fed ground squirrels […]