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Listed under:  History  >  Heritage  >  Natural heritage
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Grand Daddy Fish

This six and a half minute video segment from Catalyst demonstrates how we draw inferences from observations of fossils. Fossil fish from the Devonian Period have produced some amazing discoveries. Last year a few of them were found with embryos inside and one even had a fossilised umbilical cord. This year they have found ...

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Footprints in ash

This 7 minute video segment of Catalyst is an excellent introduction to Australian megafauna through the interpretation of fossil evidence. Comparison of extant species can be made with the extinct relatives.

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Ancient DNA

This 9 minute video segment from Catalyst explains the role of Australian Centre for Ancient DNA.It is an internationally recognised research centre for the study of minute traces of preserved genetic material - species studied date from a million years ago to more modern day mysteries... from mammoths to the Tassie devil, ...

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Ancient Resurrection

This 8 minute video segment from Catalyst highlights what is needed to resurrect ancient species, and raises the question whether we should. It also demonstrates the impacts of technology.

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Missing links

This lengthy and detailed video segment from Catalyst examines some of the key transitional fossils between species, the so called 'missing links'. Also included is an interesting story of a missing link that was discovered as a result of a hoax. This program includes extracts from Darwin's diaries in Australia.

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Cambrian fossils on Kangaroo Island

All fossils provide interesting clues to what life on Earth was once like, but there is something quite unique about the fossils found at Emu Bay on Kangaroo Island, South Australia. Watch this clip to find out why.

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Fossils and the evolution of life

Have you ever wondered how scientists know when the early mammals appeared on Earth, or how long ago dinosaurs died out? Watch this clip to discover the role of fossils, and the rocks they are found in, in revealing the order and history of life on Earth. This clip takes you to fossil sites in Queensland; and to Shark Bay ...

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Fossils and the Earth's past

Imagine what the world looked like hundreds of millions of years ago. Watch this clip to discover how fossils are preserved and what they tell us about the Earth's past. Find out about trilobites, an intriguing, ancient creature that lived in the sea during the Cambrian period. Their fossils are a piece of the past helping ...

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Formation of ancient rock layers

Discover how our understanding of rocks has developed over time and the role played by mining. The way rocks are formed, and what they are composed of, tells us a lot about what has occurred on Earth in the past. Watch this clip to find out about the formation of ancient rock layers, and what we find inside very old rocks.

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War of the willows

A willow tree removal program in the ACT has erupted into a war of words. At the heart of this clash of ideas are different opinions about the best way to protect the landscape. While the government sees the willow as a weed, others view it as an important environmental resource. Which environmental world view will prevail?

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Landslides along the Three Gorges Dam

The world's largest dam project is set to bring enormous benefits to the Chinese economy. But there's a potential side-effect of altering the natural system - the likelihood that more geological disasters such as landslides will occur in the area. Find out why in this clip from 2008.

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Plan to increase tourism for Cairns

Remarkably, 25 per cent of Australia's World Heritage areas, including the iconic Great Barrier Reef, lie within North Queensland. However, World Heritage listing inevitably brings tourists. This clip explores issues related to the planned dredging of the channel to allow larger cruise ships access to Cairns via Trinity Inlet.

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Exporting uranium and threats to the Reef

The Great Barrier Reef is facing many threats, and a new uranium mine in Queensland might add to the pressure. This clip from early in 2013 looks at what uranium exports from a proposed uranium port in Townsville could mean for the Reef. It presents views about the management of pressures placed on this World Heritage Site ...

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Land use conflict in NSW national parks

Explore points in a debate about the area set aside as National Park land in NSW. As this clip from 2013 reveals, the debate centres around the value of protecting biodiversity versus the demand for resources such as timber. The clip reflects ways in which different environmental world views can impact the way that the ...

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Ancient DNA

What questions might be answered by the DNA of ancient fossilised remains? What mysteries of the past could be unlocked? Watch this clip and learn more about some fascinating genetic research taking place right here in Australia.

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Threats to coral reefs: what are they?

Coral reefs are in trouble. Though important ecologically and vital for local communities, they're facing a range of serious threats. Listen to a panel of scientific and community experts discussing the human and natural factors that stress coral reefs around the world. Find out the recipe for how to kill a reef. Then learn ...

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Why are coral reefs important?

Coral reefs contain a high biodiversity of marine life and they're vital natural assets for coastal communities and cultures. In this clip you will hear from a panel of scientific and community experts as they discuss the importance of coral reefs to billions of people around the world. Discover some perspectives on the ...

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Global assessment of ecosystems

Have you heard of a global warning system for ecosystems? Watch this clip to find out about a system for assessing all the ecosystems around the world - and what it means for Australia. You will find out about the Murray-Darling Basin and other important Australian ecosystems, as well as the status of the Aral Sea in Central Asia.

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Are birds really relatives of dinosaurs?

Meet a palaeontologist who explains that all birds are directly related to a particular group of meat-eating dinosaurs. Find out which features of an African bird of prey translate to those of T-Rex. Learn more about the evolutionary link between dinosaurs and birds, including something about feathers that may surprise you.

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Ancient fish out of water

See fossil evidence of the largest Devonian lobe-finned fish ever found. Known as the Age of the Fishes, the Devonian period marks an important time in the evolution of land animals. Find out why this fossil is an important find.