PBS America HD Friday

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Maiya May returns to Florida to learn how climate change is impacting ocean currents before meeting Stacey Abrahms in Georgia to learn about her non-profit organisation

David Reynolds examines the controversial career of former US President Richard Nixon, using rare recordings and footage to reveal his obsessive secrecy and mistrust of key aides

Exposing the billion-dollar vitamin supplement industry, de-bunking myths and revealing why most people get all they need from real food

Part one of two. Nazi Germany's invasion of the Soviet Union. The 1941 invasion was a surprise to the Soviet Union, despite significant troop build-up at the border

Part two of two. Determined to seize the Russian capital before winter, Hitler launched Operation Typhoon. It was to be the last great decisive battle of 1941

Maiya May returns to Florida to learn how climate change is impacting ocean currents before meeting Stacey Abrahms in Georgia to learn about her non-profit organisation

David Reynolds examines the controversial career of former US President Richard Nixon, using rare recordings and footage to reveal his obsessive secrecy and mistrust of key aides

Exposing the billion-dollar vitamin supplement industry, de-bunking myths and revealing why most people get all they need from real food

Part one of two. Nazi Germany's invasion of the Soviet Union. The 1941 invasion was a surprise to the Soviet Union, despite significant troop build-up at the border

Part two of two. Determined to seize the Russian capital before winter, Hitler launched Operation Typhoon. It was to be the last great decisive battle of 1941

Exposing the billion-dollar vitamin supplement industry, de-bunking myths and revealing why most people get all they need from real food

Part one of two. Nazi Germany's invasion of the Soviet Union. The 1941 invasion was a surprise to the Soviet Union, despite significant troop build-up at the border

Part two of two. Determined to seize the Russian capital before winter, Hitler launched Operation Typhoon. It was to be the last great decisive battle of 1941

Exposing the billion-dollar vitamin supplement industry, de-bunking myths and revealing why most people get all they need from real food

A look at how after decades of violence a breakthrough was reached in the form of the Good Friday Agreement in 1998, as well as examining the Troubles' legacy

David Reynolds examines the controversial career of former US President Richard Nixon, using rare recordings and footage to reveal his obsessive secrecy and mistrust of key aides