The Dirt: This Week in Nature

Brown-polar hybrid bears may be a result of climate change, herd formations help caribou avoid mosquitos, data system connects animals from different zoos for captive breeding, and fluoride keeps sharks cavity-free.

Jul 27th, 2012 | Comments

Oceans in Glass: Behind the Scenes of the Monterey Bay Aquarium: Introduction

For more than 20 years, the Monterey Bay Aquarium has entertained, educated, and fascinated its nearly 2 million annual visitors with pioneering displays of realistic undersea environments.

Jun 20th, 2011 | Comments

Shark Mountain: Introduction

(Airs Sunday, December 13) Shark Mountain takes viewers on a dive of a lifetime to reveal underwater creatures unlike anywhere else in the world.

Nov 29th, 2009 | Comments

Sharkland: Introduction

(Airs Sunday, August 23) Explore a haven for some of the most extreme underwater predators.

Aug 5th, 2009 | Comments

The Secret World of Sharks and Rays: Introduction

NATURE lifts part of the veil of mystery shrouding some fascinating -- and often fearsome -- creatures in "The Secret World of Sharks and Rays."

Mar 23rd, 2003 | Comments

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