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Catalyst: Coorong salinity

Imagine the mighty Murray River as it flows through South Australia and reaches the sea. Explore the consequences of drought and human activity while listening to Graham Phillips describe the effects of the Coorong's increasing salinity and the the associated threat to Adelaide's supply of fresh water.

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Energy, eaten alive!

Living things can be grouped by their external features and distinguished from non-living things. This inquiry-based sequence of eight lessons is based on current food security, sustainability and photosynthesis research. The experiments and activities include easy to set and see science displays, word games, practical ...

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Collaborating in science

This is a colour video clip in which Professor Keith Hunter, a marine chemist from the University of Otago in New Zealand, relates how he became aware of the need to collaborate with scientists from other fields and to work on interdisciplinary problems in multidisciplinary teams. Sequences showing Professor Hunter discussing ...

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Downloading data from animal tags

This is a colour photograph of a scientist in a laboratory using a laptop computer to download data from electronic animal tags. To the right of the computer is a specialised communication box into which the electronic tag is placed. The scientist in the image is Dr Miles Lamare, a marine biologist involved in sea star ...

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ABC News: Disease threatens fish

Imagine what would happen if a deadly fish disease found its way into Australia's biggest river system. Watch this clip to learn more about a disease threatening the ecology of the Murray-Darling River. Scientist, Professor Richard Whittington, explains that the disease could be the final straw for an endangered Australian ...

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BTN: Tsunamis

Discover what powerful force triggers a tsunami. In this clip you will see the damage caused by tsunami, and find out why it occurred. Learn about what is happening on the ocean floor and the connection between tsunamis, earthquakes, volcanoes and tectonic plates. See how a warning centre is working to keep people safe ...

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Foreign Correspondent: Siberian tigers

Imagine a world where the only place Siberian tigers lived was in captivity. Watch this clip to learn more about the natural habitat of Siberian tigers and the things that threaten their survival in the wild. Chinese scientists are breeding this endangered species in captivity and zoologist, Liu Dan, explains his hope that ...

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ABC News: Supporting sustainable farming

Consider the vast land that is Australia. How might we, as a community, help to keep our land sustainable? Explore the ideas put forward by Professor Peter Cullen and Dr John Williams in response to the continuing drought conditions of 2003. What role could city dwellers play so that farmers could better care for the land?

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Catalyst: Indigenous eel farming

Discover a method for catching eels while watching how archaeologist Dr Heather Builth works scientifically, at Lake Condah to determine whether the Gunditjmara community were truly nomadic or used advanced farming techniques to support their way of life.

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Landline: Feeding soils to grow hungry crops

How do today's farmers improve their crop yields? One school of thought is to go high-tech and use agricultural technologies designed to improve efficiencies and yields. See the role that soil condition plays in gaining those high yields.

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BTN: A career as a geologist

Do all scientists wear white lab coats and work with chemicals? Watch this clip and discover how a career in science can take you soaring to dizzying heights. Find out what an exploration geologist does and why helicopters are used in the job. This clip will inspire you to consider a career in one of the many varied fields ...

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Catalyst: Climate and bushfires in Australia

What can science tell us about the major cause of bushfires in Australia's past? How can it help us predict future bushfires? Two scientists discuss evidence related to bushfire regimes (bushfire patterns, types and intensity). Please note that this clip contains recent images of homes destroyed by fire that may disturb ...

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Catalyst: Water through cracked soil

Watch scientists investigate water movement through soil that has been cracked by drought. Australian scientists demonstrate a new way to investigate how water moves through the cracks using electrical probes to measure soil moisture at different soil depths. This technology could help farmers more efficiently irrigate ...

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Catalyst: Geoengineering - a solution to climate change?

What is geoengineering, and how is it being investigated by scientists as a means of combating climate change? Learn about some climate control techniques that could slow down or even reverse the effects of global warming. Hear an atmospheric physicist explain the pros and cons of geoengineering techniques.

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Catalyst: Thinning ice sheet

Discover that that the massive ice sheet in East Antarctica has been losing mass since 2006 instead of growing, as was previously thought. Watch animations to see how scientists from NASA and Australia are using satellite technology and aerial monitoring to investigate the thickness of East Antarctica's ice sheet. Find ...

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Catalyst: Accelerating glaciers in Antarctica

Discover a white world in which glaciers are racing toward the sea at seven times their normal speed. This is what is happening in Antarctica now and the consequences will eventually be felt at your nearest beach. Travel with scientist Dr Paul Williams to see some stunning images of what is occurring around the fringes ...

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BTN: Curbing the carp population

Find out why European carp fish are called 'river rabbits' in Australia. Listen to how they came to Australia and what makes them such a pest now.Discover how a local entrepreneur is exploiting the new resource while scientists are doing their best to cap the carp population explosion.

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Landline: Winning the race to feed a growing population

The race is on to produce higher crop-yielding plants that will feed an ever-growing world population. See how scientists at the Plant Accelerator facility are investigating ways of increasing crop production. Some are focusing on conventional plant-breeding techniques while others are using GM (genetic modification) technology.

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Catalyst: What are modular farms?

Modular farms are flexible and self-contained systems that allow you to grow herbs and vegetables without the need for soil or sunlight. What are some advantages of modular farms? What may be some of the disadvantages?

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Catalyst: Seals help climate research

Discover how seals are helping scientists study Antarctica, polar regions, oceans and climate change. Scientists use Weddell and southern elephant seals to gather data and monitor the way currents move heat around the world's oceans.