WGBH Video (Firm)

This riveting special investigates a new image of the Vikings that goes far deeper than their savage stereotype as raiding marauders. They were expert shipbuilders, superb artisans, canny merchants, and bold colonizers.

Iwo Jima, a tiny island 660 miles from Tokyo was defended by 21,000 Japanese soldiers determined to fight to the death. The US campaign, which began on February 19, 1945, was expected to last only a few days. Instead it claimed the lives of nearly 7,000 Marines and lasted for over a month.

An in-depth exploration of the groundbreaking new string theory that will excite scientists and non-scientistsalike. If string theory proves correct, the universe we see obscures a reality that is far rivher and more complex than anyone every imagined.

Join a grueling expedition to recover a rare World War II plane from the North Pole after 50 years - a trip that tests team members in ways they had never imagined.

Viewers who make this their daily yoga routine will improve their heart health as well as their overall health. The workout centers around sun salutations that work the entire body. Features dynamic movements for the spine, lunges, side stretches, breathing techniques, leg stretches, and relaxation poses. Includes a five-minute breathing technique that, once learned, can be done anywhere.

NOVA presents a gripping investigation of what went wrong when two Boeing 747 airliners collided in thick fog on the runway at a tiny airport in the Canary Islands, killing 583 passengers and crew -- the worst loss of life in any air disaster.

"The end of the tunnel": On April 29, 1975 - 10 years after America had committed ground combat troops to Vietnam and two years after a cease-fire agreement had failed to stop the fighting - North Vietnamese communists toppled the South Vietnamese government in Saigon in a lightning offensive that startled the world. "Peace is at hand": While American and Vietnamese soldiers continued to clash in battle, diplomats in Paris argued about making peace....

"Behind the shutters of a Victorian family's home lies a lethal potion of lust, corruption and greed... The Blackheath Poisonings, based on the best-selling mystery novel by Julian Symons, and adapted by Simon Raven (Edward and Mrs. Simpson), boldly and brilliantly redefines the Victorian era."--Container.

NOVA reveals the daring flights and dramatic life of a neglected genius, Brazilian-born inventor, Alberto Santos-Dumont. Featuring captivating recreations and replicas of Santos' pioneering balloons and airplanes.

Find out why Peep lives in a can. Discover some dark secrets about the night. Follow "duck prints" in the snow as Peep tracks Quack. And chase the perfect leaf on a wonderfully windy fall day.