Super Bear Format:DVD Crandall's new co-pilot helps send

Crandall's new co-pilot helps send ratings sky-high

& liberation that eluded him a century and a half ago

Mark Miller

One's street-smart and blue-collar born

While confronting notions of love and loss

Super Bear Format:DVD Crandall's new co-pilot helps sendNational Geographic examines the incredible size, speed and strength of some of the world's biggest bears the polar bear, brown bear and black bear. All native to North America, these formidable creatures can weigh more than 1,000 pounds, outrun an Olympic sprinter and take out its prey with a single bite or swipe of the paw. Watch as National Geographic uses science, including MRI imaging, to deconstruct these bioengineering marvels to reveal the