How do trees grow? Can trees get sick? If a tree falls in the woods ...? Kellyn & Co come up with answers to questions about trees.
With every disaster that could befall humanity in mind, Stephen Hawking explains why we need to colonise another planet — and how.
Meat delivers more energy, but birds hunting it require strength, skill and deadly precision. Presented by David Attenborough.
The first three months are when animal babies rapidly get to grips with their family.
Flying requires plenty of fuel. Here are the grazing birds, the seed eaters, the nectar feeders and the insectivores. Presented by David Attenborough.
Perfecting the art of flying, from high speed hunting to astonishing manoeuvres, from short hops to incredible long hauls. Presented by David Attenborough.
Feathers are the key to birds' success as masters of the skies. But some birds abandoned flight in a bid to take over the Earth as well. Presented by David Attenborough.
The aftermath of the devastating fire has left a blackened smoking wasteland, but rain soon brings hope to the scorched earth.
As once green areas of Australia are increasingly left waterless, we are beginning to see new weather events as a result.
Australian survivors of the deadly Asian tsunami and Krakatoa explosions relive these catastrophic events, while scientists explain the science behind these volcanic occurrences.
The dry season is now upon the animals of the Serengeti.
Shark experts Brandon McMillan and Jimi Partington return to Guadalupe Island to search for the largest great white in the world, Deep Blue. Can they unravel the mystery?
Across six months in 2016, Sydney was hit by extreme and unexpected weather. These are the stories of those who witnessed these events and the science behind what caused it.
From 2011 to 2013, parts of Queensland were slammed by ferocious floods. Now, through footage from those who were there and scientists tracking these storms, the devastation is revealed.
This film is the story of the birth, life, and death of one storm: Lucy. Beginning its tumultuous journey as an ominous sandstorm in Senegal, heading west across the Atlantic to toss enormous ships and waves topsy-turvy, then crashing into the jungles of the Caribbean, we live inside this hurricane, and it is truly awesome, scary and incredible.
New Zealand is one of the most geographically dangerous areas in the world, with events such as the 2011 Christchurch Earthquake and 2019's White Island Earthquake revealing the power that lies beneath.
Hear how Victoria's devastating Marysville bushfires unfolded from those who made it out - though not entirely unscathed - and from experts on why fire is Australia's biggest natural threat.
Join us at Taronga Zoo in Sydney for a documentary series narrated by Naomi Watts. The series provides a look behind the scenes at what it takes to run one of the world's most famous and magnificent zoos.
A mysterious virus threatens to wipe out an entire species of snapping turtles; an injured Fiordland crested penguin arrives from Melbourne Zoo, but will it settle in and call Taronga home?
Looking at the planet's top predators through the eyes of scientists trying to save them.
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