In Augmented, Hugh Herr, a biophysicist working to create brain-controlled robotic limbs, shares his personal journey. At age 17, Herr's legs were amputated after a climbing accident. Frustrated by the crude prosthetic limbs he was given, Herr set out to remedy their design, leading him to a career as an inventor of innovative prosthetic devices. Now, Herr is teaming up with an injured climber and a surgeon at a leading Boston hospital to test a new...

Examines the origin and geological evolution of the earth, focusing on the various cataclysmic transformations that occurred through time.

Visits marine biology professor David Scheel, who has hosted an octopus in his home. Examines Octopus behaviors and traits, focusing on the relationship that evolves between Heidi the octopus and Dr. Scheel and his teenage daughter.

Ravens are members of the crow family. They are found everywhere in the northern hemisphere and can adapt from deserts to mountains a feat requiring high intelligence. As scavengers, ravens know how and when to take advantage of other animals. In Yellowstone National Park, animals that don't survive the winters attract coyotes who rip open the hides, making the meat accessible to ravens. Ravens not only follow wolves, even flying ahead and leading...

New research has shown that crows are among the most intelligent animals in the world, able to use tools as only elephants and chimpanzees do, able to recognize each other's voices and 250 distinct calls. Crow experts from around the world sing their praises, and present us with captivating new footage of crows as we have never seen them before.

Program 1, Snakes: Snake experts, some of which have been bitten hundreds of times, hunt and handle these slithery creatures giving you insight into their biology and behavior. Also shows how snakes can be beneficial to humans. Program 2, Lizards: The most diverse of the reptiles, the more than 4,000 different lizards include ones that can walk on water, dance on the sand, and change their appearance to suit their needs, or to save their lives. This...

Welcome to Alaska in the fleeting summertime, when the biggest gang of grizzlies on the planet gathers to gorge on salmon and the mate. The explosive action plunges you into the rough life of survival, defending your fishing spot with tooth and claw, and doing whatever you must to find a fertile partner. Beware: it₂s not always pretty. Powerful players can have their way. But life is harder for a new mother and her cubs, and for young males who...

Echo, the elephant matriarch, was the subject of many films and the leader of a carefully studied herd of elephants in Africa. In 2009 she died of natural causes. A look back at this remarkable animal through extraordinary footage and interviews with scientist Cynthia Moss, cameraman Martyn Colbeck, and the researchers that cared for and studied this amazing herd over the course of more than 30 years.

"In this chapter of his story, Cloud is one of two fathers who bring up each other's sons. Bolder is Cloud's son by birth-- beautiful and golden, but raised by Shaman, a rival band stallion. Flint, dark and determined, was sired by Shaman, but became Cloud's adopted son. The two sons mature and progress from playful youths into valid contenders for mares and bands of their own. Will one of them rise to take Cloud's place? This poignant and engrossing...

Fall in love with baby koala Danny, tiny wallaby Neil, baby sloth Newbie, young kangaroo Harry, and baby fruit bat Bugsy, and with their caring foster mothers, who give so much of themselves to help these little orphans find their way back to the wild.