Attenborough's Life that Glows • 2016

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

58:10

The long-awaited arrival of the great migration brings opportunities and food in abundance, but it also increases conflict as every one of the Serengeti's families is put to the test. Tragedy strikes for lioness Kali, who is forced to make one of the most difficult decisions of her life. Can she return to the pride that once forced her out? Whatever she decides, it will put her cubs in danger. Shani, the zebra mother, has no choice but to cross the river, but the crocodile is waiting and the currents are treacherous. Will her foal survive? Bakari is finally forced to challenge the jealous leader of the baboon troop, but the violence of their confrontation leaves Bakari facing a devastating decision that will change his destiny. The wild dog family, led by male Jasari, is also facing a battle when Zalika and her clan of hyenas declare war on the young family, hoping to force them out of their territory. A long running feud begins. When teenage elephant Tembo behaves badly and falls out with another herd, his mother Nalla has to decide his future. How will both Nalla and Tembo handle the difficult decisions they are forced to make?

S1E4 • Serengeti • 2019 • Nature

28:34

In the climax of the expedition, the team prepares to explore a 100-meter chasm at the very bottom of the river. Underwater robots take cameras down the abyss and find the deep water flesh-feeding candiru.

S1E5 • Amazon Abyss • 2005 • Nature

172:46

[6 parts merged into one] Featuring groundbreaking new science, experiments and leading scientists from a variety of disciplines, the series unravels the natural history of the body's largest organ. Skin is an incredible, multi-function organ that science is still learning so much about. It has adapted to allow animals to conquer virtually every habitat on the planet.

2019 • Nature

5:44

Besides humans, of course :)

It's Okay To Be Smart • Nature

56:14

Starts in NASA's gravity research aircraft to illustrate the effect of weightlessness. There are surprisingly many plants whose seeds are, in effect, lighter than air.

7/12 • The Living Planet • 1984 • Nature