nonfiction television programs

In 1971, graduate student Penny Patterson began teaching sign language to a gorilla named Koko, a scientific experiment that evolved into an intimate friendship lasting almost half a century and changed the course of human-animal communication.

The words 'My Lai' are seared into our memories of the Vietnam War, but few know what really happened in the small Vietnamese village on March 16, 1968. Now, drawing on 400 hours of recently discovered audio recordings and new interviews with participants, eye witnesses, and investigators, the complete story can finally be told about one of the most shocking atrocities in modern times, and about lesser-known acts of remarkable courage.

Beginning with the first documented cases from the Civil War, the film examines occurrences of PTSD through two World Wars and Vietnam, as well as more recent cases involving soldiers who served in Iraq and Afghanistan. The stories are told through soldiers' revealing letters and journals; photographs and combat footage; first-person interviews with veterans of WWII, the Vietnam War, Operation Desert Storm, and Operation Iraqi Freedom; and interviews with family members of soldiers with PTSD.

Looks at intelligence and discusses advances in neurosciences.

A guide to taking a Caribbean cruise, focusing on family-friendly locations and activities, and featuring visits to Jamaica, Cozumel, the Cayman Islands, and more.

What will it mean when most of us can afford to have the information in our DNA, all six billion chemical letters of it, read, stored and available for analysis? This program reveals that we stand on the verge of such a revolution. Meet a cancer patient who appears to have cheated death and a cystic fibrosis sufferer breathing easily because scientists have been able to pinpoint and neutralize the genetic abnormalities underlying their conditions.

Provides a comprehensive look at the most significant natural disasters of all time.

Documents student performance when they are allowed to use self-directed learning to explore their own interests and challenges.

Was life triggered by some event, like lightning hitting a pond full of amino acids? Earth was teeming with life billions of years before the dinosaurs existed. Single-celled organisms inundated the oceans, and the soil swarmed with living creatures. Where did it all come from and how did it go from a single-celled organism to a trillion-celled organism like Man? Cutting-edge science is testing out answers about life's origins and how life can be created on new worlds, even this one.

An episode of "Frontline, " examining the tools and techniques used in forensic science to solve criminal cases, discussing inconsistencies and how forensic evidence is presented in the court room, and describing such specific cases as the murder trial of Casey Anthony, the FBI's investigation into the Madrid terrorist bombing, and capital cases in rural Mississippi.