The fossil record reveals evidence of recognisable animals taking over Earth's oceans during the Cambrian explosion.
Richard Smith investigates the "first tangible evidence of life", stromatolites, in Western Australia.
Evolution of life
Evolution of life
Female green turtles dig into the sand on Raine Island to lay around 100 pingpong ballsized eggs each, leaving them to incubate in the warm sand, before returning to the water.
Karl Stefanovic provides a basic description of the conditions that lead to coral bleaching on the Great Barrier Reef, and footage of coral blooming in spring shows the reef regenerating.
Richard Smith explains how the rusting of the oceans produced the iron ore now mined in the Pilbara.
The final film in the series reveals how the reef is crucially connected to the rest of the planet - and how climate change will affect it's future.
Of all continents on Earth, none preserve the story of the formation of our planet and the evolution of life quite like Australia. Nowhere else can you simply jump in a car and travel back through the entire history of the world. Australia: The Time Traveller's Guide takes you on a rollicking adventure from the birth of the Earth to the emergence of the world we know today. Buckle up for a rocky ride down the Road of Time with series host Dr Richard Smith. Over four one-hour episodes, we meet titanic dinosaurs and giant kangaroos, sea monsters and prehistoric crustaceans, disappearing mountains and exploding asteroids.
Catalyst's Mark Horstman investigates the affect of the Snowy Flow Response Program releasing a flood of water in an effort to restore the ecology of the Snowy River.
Witness some of the world's greatest wildlife phenomena and natural wonders through the eyes of birds in this natural history series. Amazing sights from five continents will be revealed in a whole new light as the journeys of snow geese, cranes, falcons, albatross, eagles and other birds are documented using new, cutting-edge filming techniques and state-of-the-art spycams.
Tectonic forces continue to shape the Mediterranean as Greece breaks away from Europe.
In this clip, the past 200 million years of tectonic plate movement is explained in less than four minutes.
From turtles that migrate thousands of miles across the Pacific Ocean, to whales travelling here each year from the Antarctic, creatures cover vast distances to visit the reef.
clip of carnaby life cycle for year 4 science
On A Wing And A Prayer follows the incredible life cycle of the Carnaby's cockatoo through the engaging story of one small cockatoo family. Capturing a remarkable never filmed before journey of life and love for one of Australia's most loved, but critically endangered birds.
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