Avalanche • 2016 • episode "Part 1" • Dangerous Earth

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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.

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Dangerous Earth • 2016 • 5 episodes •

Avalanche

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.

2016 • Nature

Volcano

Helen looks at volcanoes. With shocking eyewitness footage of eruptions, and new thermal imagery and ultra-high speed photography, we can now capture on camera the complex processes crucial to understanding how and why these forces of nature erupt.

2016 • Nature

Lightning

Dr Helen Czerski examines the hottest natural phenomena on the planet - lightning. Bolts of lightning five times hotter than the surface of the sun strike our planet over 3 million times every day - and yet we still know little about this deadly force of nature. Now, specialist photography is revealing how lightning travels through the air, high-speed cameras are unlocking the secrets of upward lightning that's triggered by our urban landscapes, and scientific expeditions are capturing rare images of intense electrical discharges over 80 kilometres wide.

2016 • Nature

Aurora

Helen looks at the latest scientific insight into the aurora - dancing lights in the night sky that have fascinated cultures throughout our history. From the networks of cameras now capturing its vast scale, to novel experiments that probe the threat it poses to modern technology, Helen reveals the dramatic transformation in our understanding of the aurora, and the many mysteries that remain to be solved.

2016 • Nature

Tornado

Dr Helen Czerski peers into the heart of the storm to find out how advances in technology are giving new insight into tornadoes - the fastest winds on the planet. From the breathtaking footage that capture the extreme weather events that produce them, to the latest experiments investigating their incredible destructive power, Helen discovers how understanding the subtle changes deep within the storm are improving predictions of when and where these devastating beasts will strike.

2016 • Nature

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Extras

1. Stephen at home in the Amazon (with a monkey), 2. Fish market, 3. Tree climbing lions, 4. Barak the rhino listens to the radio, 5. Encounter with a fossa, 6. Giant jumping rat, 7. Stephen plays mummy to a takahe, 8. Just a little dandruff

S1E7 • Last Chance to See • 2009 • Nature

Eyes Wide Open

For many living creatures, including humans, eyes are an integral survival tool. Learn how eyes have also inspired incredible emerging technology.

S8E6 • Explorer • 2016 • Nature

The Blackcap Warbler

The Blackcap Warbler

Every year the black cap warbler undertakes a mysterious migration. This discreet journey covers thousands of kilometers and triggers puzzles that scientists are still trying to understand today. Thanks to cutting-edge technology, we will track the black caps on their journey.

S1E3 • Secret Migrations • 2019 • Nature

Heroes

David Attenborough introduces conservation heroes fighting to save the world's wildlife, from exploring remote jungles to going undercover to catch criminals in the illegal ivory trade. In South Africa, new breeding populations of black rhino are set up in safe havens where they will be protected from poachers, while a conservationist in Ecuador works to protect endangered frogs.

S1E8 • Planet Earth III • 2023 • Nature

Virgin Births

Sir David Attenborough uses this episode to investigate two animals who are capable of true virgin birth - the production of offspring without the need for sex.

S2E1 • Natural Curiosities • Nature

Part 2

From around three months old, the animal babies can all get around on their own, but that means the impact of their environment and the struggle to find food really begin to hit home.

S1E2 • Animal Babies: First Year on Earth • 2019 • Nature