The sinking of the RMS Titanic remains one of the most enduring and mysterious tragedies of the 20th century. For decades, investigators and amateurs alike have floated theories for why it occurred and who was to blame for the extraordinary loss of life, but no one answer could fully explain what happened. Until now. To mark the 100th anniversary of the infamous disaster, Smithsonian Channel will premiere Titanic's Final Mystery. The two-hour special investigates a century of theories and uncovers astonishing new forensic evidence that proves the most likely theory for the case.

In the summer of 1961, a group of young Italian anthropologists made a clandestine journey through Spain, in order to record popular songs that supported anti-Franco resistance. As a result of their work, they were prosecuted and their recordings were censored. Sixty years later, and guided by Emilio Jona, aged 92, the last living member of that group of travellers, we recover the unpublished recordings and reconstruct the journey, today, across an emotional and political landscape, regaining historical memories through these songs, as relevant today as they were then.

In June 2013, Laura Poitras and reporter Glenn Greenwald flew to Hong Kong for the first of many meetings with Edward Snowden. She brought her camera with her.

The moral dimension of humanity's interaction with nonhuman animals and the industries that profit from their exploitation, as informed by world religions. A historical explanation of how the current global situation came to be.

A stark and graphic portrayal of the conditions that existed at the State Prison for the Criminally Insane at Bridgewater, Massachusetts, and documents the various ways the inmates are treated by the guards, social workers, and psychiatrists.

From our window one can see a set of the film The Green Years, directed by Paulo Rocha in 1963. This was our starting point: guided by Rocha's gaze, we look back at the places of that film. The successive geological, urbanistic and social strata of Lisbon, besieged by the pandemic that interrupted the shooting, are drawn out in front of our camera, like a contemporary jazz impro from a score written in 1963.

Photographer and visual artist Sammy Baloji’s fascinating film essay explores the Democratic Republic of Congo’s colonial history and its ecological significance. Drawing on research from the 1930s, the film highlights the Congo Basin’s vital role in consuming carbon dioxide and shaping global environmental balance over a century.

When an academic unearths a forgotten history, residents of the small township of Pukekohe, including kaumātua who have never told their personal stories before, confront its deep and dark racist past.

The White Planet or in French, La Planète Blanche, is a 2006 documentary about the wildlife of the Arctic. It shows interactions between marine animals, birds and land animals, especially the polar bear, over a one year period. The fragility of the Arctic is hinted at as a reason to prevent climate change. It was nominated for the Documentary category in the 27th Genie Awards in 2007.

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As Russia launches its full-scale invasion of Ukraine, primary schools across Russia’s hinterlands are transformed into recruitment stages for the war. Facing the ethical dilemma of working in a system defined by propaganda and violence, a brave teacher goes undercover to film what’s really happening in his own school.

Chris van Tulleken takes a personal view at why ultra-processed foods are so irresistible and how they have come to dominate food culture.