Charlotte Uhlenbroek travels to Madagascar to follow the story of three mother ring-tailed lemurs struggling to survive one of the driest and hottest seasons in decades. One lemur has already lost her baby, the other two have a fight on their hands if their infants are to stand a chance, and matters are made even worse when neighbouring lemur tribes invade the mothers' territories.

Titans of the Ice Age transports viewers to the beautiful and otherworldly frozen landscapes of North America, Europe and Asia ten thousand years before modern civilization. Dazzling computer-generated imagery brings this mysterious era to life - from saber-toothed cats and giant sloths to the iconic mammoths, giants both feared and hunted by prehistoric humans.

The epic story of the life of a volcano, capable of both causing the extinction of all things and helping the evolution of species, over 60 million years.

Canadian author, humorist and storyteller W.O. Mitchell talks about his career as a writer and performer. Known for his witty radio and television appearances, Mitchell shows a more serious side as he reveals his personal views on writing and on the meaning of life and death.

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Images and numbers illustrate the domestic political measures taken after the Nazis came to power to eliminate unemployment.

A short documentary about Arthur Penn.

National Geographic wildlife filmmaker Bertie Gregory takes audiences on an adventure to iconic South Georgia Island. Sailing through the roughest ocean on the planet in a 50-foot boat, his team's target is the sub-Antarctic island, known for its breathtaking scenery and high concentration of wildlife. It's a life of extremes for Antarctic fur seals. Bulls fight to the death for breeding rights, while seal moms work to raise their adorable pups.

You've never heard of Jonathan Hoefler or Tobias Frere-Jones but you've seen their work. They run the most successful and respected type design studio in the world, making fonts used by the Wall Street Journal to the President of the United States.

An oil boom has drawn thousands to America’s Northern Plains in search of work. Against the backdrop of a cruel North Dakota winter, the stories of three children and an immigrant mother intertwine among themes of innocence, home, and the American Dream.

Bacteria, viruses, but also fungi, algae, pollen, and even insects: micro-organisms thrive and circulate constantly in our sky. How can so many living beings find their way into the air and circulate? How do they survive? And what influence do they have on our lives and the living world? Biodiversity, health, climate: it is only recently that scientists have begun to understand how this discreet aerial "plankton" affects our lives and our ecosystem. But despite their many virtues, some of these micro-organisms are now threatened by human activities. With the help of experts and 3D models, this scientific investigation plunges us into the heart of a still mysterious world, and reveals the diversity and fragility of the air we breathe.

The fearsome bat is amongst the stealthiest hunters in the Animal Kingdom, but for all their ingenious abilities, a species of grasshopper in the mountains of Bulgaria has learnt to outsmart them. Now, join a team of researchers armed with state-of-the-art ultrasonic cameras, as they discover the mechanisms behind this standoff. The Secret Life of Bats reveals the science behind sonar, and the hidden hunting challenges faced by this deadly predator.