Providing Support for PBS.org

Extras

Video thumbnail: Nature Ocean Giants: Deep Thinkers

Nature

Ocean Giants: Deep Thinkers

Airs Wednesday, April 4, 2012 at 8:00 p.m. ET/PT. Check your local listings.

Ocean Giants: Deep Thinkers

Video thumbnail: Nature Dolphin Mud Walls

Nature

Dolphin Mud Walls

In Florida Bay, dolphins feed by creating walls of mud that trap nearby fish.

Dolphin Mud Walls

Video thumbnail: Nature Dolphin Bubble Play

Nature

Dolphin Bubble Play

What will dolphins make of the silvery rings of air produced by a bubble machine?

Dolphin Bubble Play

Support for PBS.org provided by: