Cartesian and Polar Coordinates | Coordinate Geometry | Convert Polar to Cartesian

Is Polar Bear Evolution the KEY to Unlocking a Longer Human Lifespan?

Polar bears take over abandoned research station | ABC NEWS

Drone video captured a group of polar bears living in an abandoned research station in Russia

Man Saves Polar Bear Cub in the Arctic

Polar bears have a powerful sense of smell, but even so, they must be careful to survive. #wildlife