One of the most remarkable pieces of equipment designed by Widder is the Eye-in-the-Sea, a unique, unobtrusive camera that sits on the sea bottom and records the never-before-seen behavior of marine animals.

In 1959, the Air Force sought infant chimps for use in research evaluating the physical effects of space travel on the body.

Amphibians are linchpins in their ecosystems and important in medical research. What would the world be like without them?

Support is growing for the creation of sanctuaries for chimpanzees used in research, allowing them to spend the rest of their long lives with greater dignity and freedom.

(Airs Sunday, June 20) While we are mesmerized by their likeness to our species and we have continually found uses for chimps, we never considered what they wanted or needed.

Sharing 99 percent of our DNA, chimps have been used in the study of infectious diseases, gene therapy, vaccine development, reproduction, and anatomy.

One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.

One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.

One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.

One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.