Extras

Nature

Gaining Vision Underwater

Clip: S38 Ep2 | 2m 7s

Mary Power's love for aquatic life began when she realized she could see better underwater

Nature

How Starfish Changed Modern Ecology

Clip: S38 Ep2 | 2m 49s

Witness scientist Bob Paine's breakthrough discovery.

Nature

How Wildebeest Saved the Serengeti

Clip: S38 Ep2 | 2m 57s

This breakthrough study shows how wildebeest are the keystones to the Serengeti.

Nature

Otters & Orcas: An Alaskan Mystery

Clip: S38 Ep2 | 5m 22s

Jim Estes tries to figure out what caused the collapse of a once-thriving kelp forest.

Nature

Scientist Profile - Bob Paine

Clip: S38 Ep2 | 2m 12s

Bob Paine was one of the greatest ecologists of all time.

Nature

Scientist Profile - Jim Estes

Clip: S38 Ep2 | 2m

Jim Estes got his start as an ecologist by chance.

Nature

Scientist Profile - John Terborgh

Clip: S38 Ep2 | 1m 51s

John Terborgh has spent a lifetime studying the Amazon rainforest.

Nature

Scientist Profile - Mary Power

Clip: S38 Ep2 | 1m 53s

Mary Power is a freshwater ecologist who has spent her life studying river ecosystems.

Nature

Scientist Profile - Tony Sinclair

Clip: S38 Ep2 | 1m 57s

Tony Sinclair arrived in the Serengeti in 1965, looking to study the wildlife.

Nature

The Serengeti Rules

Preview: S38 Ep2 | 35s

Pioneering scientists make surprising discoveries that change our understanding of nature.