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Catalyst: Managing bushfires

To burn or not to burn? Investigate the science behind arguments for and against controlled burn-offs that aim to reduce the risk of bushfires to humans. Listen to the reasons Professor Mark Adams of Sydney University gives for a careful approach to prescribed burning.

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Experimentals: Examples of Bernoulli's theorem

Have you ever wondered how a yacht sails into the wind? Watch as the Experimentals team works through practical demonstrations of Bernoulli's theorem. You're in for a few surprises as you learn how gases and liquids change their behavior as they begin to flow.

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BTN: Did you see it? Subliminal advertising

Are you persuaded to purchase products by the advertising you see on TV? If advertising was so subtle that we couldn't distinguish it from the content of the shows we watch, what effect might this have? Watch this clip and find out how some advertisers are using hidden messages to advertise products and influence our purchasing ...

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Heywire: Digging for diprotodons

Ever dreamed of finding buried treasure in your own backyard? For Natasha Camp, this is a reality. Her 'treasure' is not gold or silver, but the bones of ancient Australian megafauna. In this Heywire photo story, Natasha describes the latest dig at Floraville Station, Queensland, her family's property. It was on this dig ...

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Thinkabout, talkabout: Australian children during World War II

What was life like for Australian children during World War II? From 1939 to 1945 Australia was at war. After Japan entered the war in 1941, this conflict became a total war, which affected almost everyone and almost every aspect of life in Australia. Listen to two people who lived through this time sharing their memories ...

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Nexus: Controversy surrounding the Sydney Opera House

The Sydney Opera House is considered the 'eighth wonder of the world'. Although recognised as a major landmark today, its construction was controversial. In 1966, the building's Danish designer and chief architect, Jorn Utzon, was forced to withdraw from his position. In this clip listen to Jorn Utzon and discover why he ...

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Four Corners: Defending civil rights: an activist's perspective, 1968

What happens when the members of a society feel like they have no hope? This is the situation faced by members of Harlem's African American community in 1968, who find themselves in a cycle of poverty. Civil rights activists like Al Cook offer a solution to the problem: fight back.

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What's that mystery instrument?

Watch this video to learn about a spooky sounding instrument called the theremin. How is it played? Listen as it joins the Melbourne Symphony Orchestra to play music from the TV show Dr Who. Do you like the sounds it makes? Why or why not?

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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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Writing London: Discovery and rebirth

How do writers respond to, and write about, the great city of London. Listen as some of London's greatest writers, including Andrea Levy, Jeremy Reed, Ian McEwan and Bernard Kops, reflect on the experience of writing in and about London. Consider what Bernard Kops means when he asks, 'Where was I born after I was born?'

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ABC 7.30: If you build it, they will come

It's been 'all systems go' in the Northern Territory, with a range of new development projects springing up. In this clip from 2013, see Territorians coming up with novel solutions to the age-old problem of housing. Could a shortage of affordable housing derail the good economic times?

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Termites: Destroyers or recyclers?

Be amazed by what these young scientists find out about termites. Discover where termites live and what they eat. You may be surprised to find out that they are not actually ants, and that they are blind! This video was a finalist in the 2013 Sleek Geeks Eureka Science School Prize competition.

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BTN: The future of the book

What is the future for the print book as we know it? Will it ever completely disappear? In this clip from 2010, Behind the News visits schools and talks to students about their use of ebooks (e-books). Find out about some of the ereaders (e-readers) now being used at school and at home and listen to different views on the ...

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David Williamson on inspiration

In this short video, David Williamson explains where he finds inspiration for his plays. What are his aims as a playwright?

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Four Corners: Megafires

Are we approaching the 'age of megafires'? It might sound like something out of a sci-fi movie, but some scientists believe there is cause for concern. Watch this clip to find out how bushfires as we know them are changing. Discover why.

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Voice of the People: The Aussie Accent: Whaddya reckon, mate?

Imagine a world where everybody sounded exactly the same when they spoke. What might that be like? Are there 'good' and 'bad' ways to speak? In this clip, listen to the opinions of many people about whether Australians have a bad accent.

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Four Corners: Adoption of Indigenous Australian children

Imagine being taken away from your family and forced to live with people from another language, place and culture. This interview, recorded a week before the 1967 Referendum, captures an the perspective of Margaret Valadian, a prominent young Aboriginal Australian, on the practice of adoption and the removal of Aboriginal ...

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To save a sad creek called Merri

Find out about some of the issues and solutions for managing waste and pollution in a local creek. View this clip called 'Is Merri Creek truly merry?', created by young reporters from North Fitzroy Primary School, Victoria. The clip was developed as part of the ABC Splash Live 'Making the news!' project, which featured ...

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Mystery man Pythagoras meets his match

What do you know about Pythagoras? Join Vi Hart as she not only explains his theorem but raises some legends about his dark past! Follow Vi's timeline of famous mathematicians to find out in which century Pythagoras lived. See how Vi shows a proof of his theorem and raises what was a big dilemma for Pythagoras: the irrational ...

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Foreign Correspondent: Legacy of Nazism in modern Vienna

Why did Nazis in Austria dig up hundreds of human remains from graves in Vienna's Währing Jewish cemetery? Join reporter Mark Corcoran as he visits a Viennese museum to search for the remains of an 18th-century Jewish baroness. He makes some disturbing discoveries there. This clip from 2007 is the second of two.