Researchers See Signs of Chronic Stress in Polar Bears' Blood

Abnormally long fasts linked to melting sea ice may be pushing polar bears to their limits.

Stress in Polar Bears - Forschen, Handeln

Stress in Polar Bears - Forschen, Handeln

If world gets warmer, these cities could be 'unlivable:' study

Study: Pollution may be giving polar bears penis problems

Polar bear energetic and behavioral strategies on land with

Scientists find hundreds of new toxins in polar bear blood

Born to Roam - The Suffering of Polar Bears in Zoos by BornFree

Skin biopsies from affected and unaffected polar bears captured in

A risk assessment review of mercury exposure in Arctic marine and

Katarina Zimmer

Climate change: Polar bears face starvation threat as ice melts

Researchers see signs of chronic stress in polar bears' blood - EHN

Environmental toxins enter the brain tissue of polar bears

DDT, PCBs Could Affect Polar Bear Hormones - The Wildlife Society

What Keeping Polar Bears in Zoos and Aquariums Does to These