WGBH Educational Foundation.

In the early twentieth century, the average American medicine cabinet was a would-be poisoner's treasure chest. There was radioactive radium in health tonics, thallium in depilatory creams, and morphine in teething medicine and potassium cyanide in cleaning supplies. While the tools of the murderer's trade multiplied as the pace of industrial innovation increased, the scientific knowledge (and the political will) to detect and prevent the crimes lagged...

"Where did we come from? What makes us human? NOVA's...investigation explores how new discoveries are transforming views of our earliest ancestors. Featuring interviews with world-renowned scientists, footage shot "in the trenches" as fossils were unearthed, and...computer-generated animation, [these programs] bring early hominids to life, examining how we became the creative and adaptable modern humans of today...In the first episode...encounter..."Selam,...

"Nova takes viewers on a fascinating quest with a group of pioneering mathematicians determined to decipher the rules that govern fractal geometry. Their remarkable findings are deepening our understanding of nature and stimulating a new wave of scientific, medical and artistic innovation, stretching from the ecology of the rainforest to fashion design."--Container.

Explores the dramatic event that launched a worldwide rights movement. When police raided a Mafia-run gay bar in Greenwich Village, the Stonewall Inn on June 28, 1969, gay men and women did something they had not done before: they fought back. As the streets of New York erupted into violent protests and street demonstrations, the collective anger announced that the gay rights movement had arrived.

An exciting new investigation of the Red Baron's death presents newly discovered documents that overturn the conventional theory of von Richthofen's demise. Featuring thrilling re-enactments of hair-raising duels between fragile fighters of World War I.

A four-hour mini-series that tells the story of one of the most popular and influential forms of entertainment in American history. Drawing upon a vast and rich visual archive, the film follows the rise and fall of the gigantic, traveling tented railroad circus, recounting the era when Circus Day could shut down a town, and circus stars were among the most famous people in the country.

On August 15th, 1914, the Panama Canal opened, connecting the world's two largest oceans and signaling America's emergence as a global superpower. This film, using an extraordinary archive of photographs and footage, interviews with canal workers, and firsthand accounts of life in the Canal Zone, unravels the remarkable story of one of the world's most significant technological achievements.

In a special 4-hour investigation, Frontline tells the inside story of the struggles to rescue and repair a shattered economy, exploring key decisions, missed opportunities, and the unprecedented and uneasy partnership between government leaders and titans of finance that affects the fortunes of millions of people around the world.

The Vikings were the most ferocious warriors of the Middle Ages. Especially fearsome were the select few who wielded a formidable weapon: a light, razor sharp, virtually indestructible sword with its maker's name, ULFBERHT, inlaid along the blade. But who Ulfberht was, where the sword came from, and how it was made remained secrets for more than 1,000 years?

To murder and create: a distinguished scientist involved in atomic weapons research is brutally murdered on Valentine's Day. The hollow man: as a smog covers London, a serial killer begins targeting courting couples.