What it's like when a hungry polar bear decides you're lunch

Very few predators think humans would make a tasty treat, but polar bears are members of that exclusive club. While shooting his BBC documentary series The Polar Bear Family and Me, filmmaker Gordon Buchanan was approached by a hungry, 1,000-pound polar bear as he sat in his plexiglass pod. He marvels at her… »1/05/13 10:00am1/05/13 10:00am

Meet the carnivorous sponge that traps its prey and grows sperm on every branch

The recently discovered harp sponge, Chondrocladia lyra, make not look like something you'd bring into the bathtub, but what it lacks in sponginess it more than makes up for in predatory behavior. The harp sponge uses those narrow spines to snare small fish and crustaceans, which it then digests whole. »11/11/12 12:00pm11/11/12 12:00pm