In a nutshell Polar bear fur repels ice thanks to a specialized hair grease (sebum) that gives them ice adhesion strength comparable to high-tech synthetic materials, making it extremely difficult for ...
MedStar Health leaders take part in a live dip in the frigid Chesapeake Bay for the 2025 Polar Bear Plunge! TOP STORIES FROM WBAL: US military conducts airstrikes against Islamic State operatives in ...