BEAR WEEK: Up close with polar bears at Como Zoo

ST. PAUL, Minn. (KMSP) - The Como Zoo teaches their two polar bears, Buzz and Neil, husbandry behaviors to make it easier for the zoo keepers to check their health. 

The polar bears are ambassadors for their species, which was one of the first species to be placed on the endangered species list. 

BEAR WEEK: Researchers look to hibernating bears for advancements in human medicine