Peter Yost

Tells the story of the German American Bund, a pro-Nazi group which in the 1930s had scores of chapters nationwide, representing what many believe was a real threat of fascist subversion in the U.S. They held rallies with the KKK and ran camps for kids centered around Nazi ideology, melding patriotic values with virulent anti-Semitism.

Explore the evolution in understanding, and the dramatic attempts across generations, to unravel the difficult questions surrounding mental illness people have grappled with throughout history: What causes it? And how is it best treated?

Trace efforts to develop guidelines for diagnosing mental illness rooted in empirical science rather than dogma. Explore how science and societal factors are deeply entwined with shifting definitions of mental health and mental illness.

In February 1939, more than 20,000 Americans filled Madison Square Garden for an event billed as a "Pro-American Rally." Images of George Washington hung next to swastikas and speakers railed against the "Jewish controlled media" and called for a return to a racially "pure" America.

Discover what it was like to be a knight in shining armor and follow the historic manufacturing process. Join master armorers as they re-engineer the Greenwich armor - considered some of the greatest armor ever made - and then put it to the test.

Over 60,000 years ago, the first modern humans-people physically identical to us today-left their African homeland and entered Europe, then a bleak and inhospitable continent in the grip of the Ice Age. But when they arrived, they were not alone: the stocky, powerfully built Neanderthals had already been living there for hundred of thousands of years. So what happened when the first modern humans encountered the Neanderthals? Did we make love or war?...

What makes a person walk into a theater or a church or a classroom full of students and open fire? What combination of circumstances compels a human being to commit the most inhuman of crimes? Can science in any way help us understand these horrific events and provide any clues as to how to prevent them in the future? As the nation tries to understand the tragic events at Newtown, NOVA correspondent Miles O'Brien separates fact from fiction, investigating...

NOVA returns to Ground Zero to witness the final chapter in an epic story of engineering, innovation, and the perseverance of the human spirit. Ground Zero Supertower examines the new skyscraper, One World Trade Center, rising up 104 stories and 1,776 feet from the site where the Twin Towers once stood. NOVA also goes underground to see another engineering marvel taking shape here: the construction of the National September 11 Memorial Museum that...