Polar bears face mounting challenges in a changing, warming world, mostly related to their waning wintery wonderland habitats. But they may be increasingly infected with germs and parasites, too ...

Polar bear equipped with camera collar reveals details of life in the melting Arctic 04:34. ... They will be checking for parasites and infections and evaluating its physical condition, ...

Siku, a polar bear at Lincoln Park Zoo, developed allergies to various substances including human hair dander (Credit: Lincoln Park Zoo) It may be that zoo animals are so well cared for they ...

Polar Bear Appears In Iceland For 1st Time In 8 Years, ... Scientists plan to examine the bear for parasites and infections, assess its organ health and body fat percentage, ...

A rare polar bear that was spotted outside a cottage in a remote village in Iceland was shot by police after being considered a threat, authorities said Friday. CNN values your feedback 1.