What is a gene? • Stated Clearly

53:31

A bold experiment to bring fierce African wild dogs back to Gorongosa National Park in Mozambique reveals how predators—and the fear they trigger—play a surprising and crucial role in keeping wild ecosystems healthy. Until recently, the impact of predators on ecosystems was thought to be simple: predators eat prey, keeping their populations in check. But more and more, ecologists are realizing that it’s not all about consumption. In fact, just the presence of predators can cause significant changes in behavior. Scientists call this the “Landscape of Fear,” and in Gorongosa, they are hoping to harness its effects to help bring an ecosystem back from the brink.

NOVA PBS • 2020 • Nature

56:39

In the heart of the Atlantic, Gordon Buchanan joins a team looking to discover why huge numbers of devil rays, fish with 'wings' nearly four metres across, and gather every summer near the Azores archipelago. In northeast Turkey the on-board cameras are carried by brown bears as part of a study trying to understand why so many bears survive in a small patch of forest. In southern France on-board cameras help scientists trying to prove that guard dogs can help protect sheep flocks from wolf attacks. The night-vision cameras show how the dogs work together as a team to fend off the wolves.

S1E3 • Animals with Cameras • 2018 • Nature

59:01

In this bird's-eye view of two continents, demoiselle cranes negotiate a dangerous Himalayan pass on their way to India while high-flying bar-headed geese take the fast track five miles above. In Rajasthan, vultures watch hunting tigers hoping for a meal and pigeons visit a temple dedicated solely to sacred rats. Pigeons are also our guide to the greatest gatherings of camels on Earth and learn to dodge buzzards around the battlements of Jodhpur Fort. 9,000 cranes overwinter in the most unlikely of spots - a barbed wire compound in the centre of a desert town. In Australia, rainbow lorikeets drop in on Sydney and patrol Australia's Gold Coast. In the outback, white cockatoos swirl in thousands and budgerigars pass Uluru (Ayers Rock) and gather in the biggest flocks ever recorded. In China, swallows and swifts visit the Great Wall and the Forbidden City of Beijing. In Japan, the country's most revered birds - Japanese cranes are fed fish by appreciative locals and are joined in strange, momentary harmony by hungry red foxes, white-tailed eagles and Steller's eagles. As peace descends, Japanese cranes dance beautifully in the snow.

S1E5 • Earthflight • 2012 • Nature

177:00

Discover a land of hauntingly beautiful coasts, magical forests, and volcanic and arctic extremes - and the lynx, orcas, puffins and wolves who call this frozen kingdom home. Chapter 1: Life on the Edge Wild and unpredictable, the Scandinavian coast is a place of haunting beauty and dangerous extremes - a journey from storm-swept islands crowded with seal pups to 3,000ft deep fjords where sea eagles fly and base jumpers parachute from the edge. In the far north, tropical currents and Arctic seas collide, creating riches - billions of herring tracked by orcas and humpback whales - while providing a home to thousands of seabirds, including the feisty puffin. Chapter 2: Heartlands Great forests form the heart of Scandinavia, stretching towards the Arctic and cutting through with a labyrinth of waterways. Incredible creatures like lynxes, wolves, bears and reindeer must survive the ever-changing seasons - from the chilling grip of winter to the warm riches of summer. Here, all life is deeply interconnected through surprising and ancient partnerships, creating a balance that has evolved over millennia. Chapter 3: Ice and Fire Scandinavia's northern extremes have been shaped by ice and fire, but it's the sun that reigns over these frozen kingdoms. Here, musk oxen, polar bears and arctic foxes must endure the long, dark polar night, but in spring, the sun's return ignites a dramatic transformation in the landscape and heralds the return of thousands of migrant visitors. Under the midnight sun, the north bursts into a sleepless rush of life and opportunity, a race against time to raise a family, but for some, it's the summer heat which brings the greatest dangers before the first frost and winter's welcome return.

2023 • Nature

29:13

Dr Helen Czerski looks at the anatomy of an avalanche. From shocking eyewitness footage from within an avalanche, to detailed CT scans showing the microscopic changes that cause them, we can now capture exactly what happens as snow transforms into a deadly and unpredictable danger.

Part 1 • Dangerous Earth • 2016 • Nature

5:40

Did you know that you and I are only 1% human — we've 90 trillion cells which don't belong to us. Yes we are more bacteria than human.

Nature