Search results

Video

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.

Video

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.

Video

Chemistry of rotten eggs, and more

Want to know if an egg is rotten, why onions bring on tears and what makes green vegetables turn brown after cooking? Watch this clip to discover the chemistry behind these and other everyday problems. Find out about the chemical reactions, compounds and elements involved, and learn some simple chemistry-inspired solutions.

Video

Foreign Correspondent: New dam, new house: The Mekong

The mighty Mekong river provides a way of life for millions of people, and is arguably the most important resource in the developing country of Laos. Discover how villagers are being relocated to make way for hydropower dams on this river, which stretches for nearly 5,000 kilometres from the mountains of Tibet to Vietnam. ...

Video

Interviews With 10 Australian Authors, Ch 2: Draw with Bronwyn Bancroft

How do you draw a giant rainstorm? Bronwyn Bancroft loves Australian nature. She knows how to paint the weather, the land, and the animals. In this interview she speaks about what it's like to live in a country town when a storm hits.

Video

Untold Stories, Ep 12: The submarine that ran amok at Gallipoli

Alec Nichols was a farm boy from the Sunshine Coast who joined the navy at the age of 18. During World War I, he was one of 35 men on the AE2 submarine that broke through enemy lines in the Dardanelles strait. After five days of sustained attacks from the Turkish navy, the submarine had to surface. The men were captured ...

Video

Catalyst: The home of Australian science

Australia has a long and proud history of excellence in science. How should we celebrate this? Watch this clip to find out about an Australian organisation that recognises and promotes outstanding scientific achievement. You'll also find why its Canberra headquarters is referred to as 'the flying saucer'!

Video

Catalyst: Chemical pollutants toxic to whales

Explore how chemical pollutants affect the Antarctic food web. A scientist shows that baleen whales are consuming Antarctic krill contaminated by accumulated residues of persistent organic pollutants (POPs) from pesticides and industrial chemicals. Find out why these pollutants are concentrated at the Earth's polar regions.

Video

Four Corners: Fire management strategies

What role do fire-behaviour specialists and ecologists have in fire management? Watch this clip to find out about issues relating to fire management in Australia, in particular prescribed burning.

Video

Can We Help?: Conquest: the process of language change

When the Normans conquered England in 1066, they brought a lot more than fancy clothes and castles; they also brought the French language. Discover the impact that this momentous event continues to have today.

Video

Why Australia wanted a White Australia policy

The Immigration Restriction Act of 1901 was designed to limit non-British immigration to Australia. It came to be known as the White Australia policy. In some quarters, people of non-British (and especially non-European) heritage were regarded as being inferior, greedy or unable to fit in with dominant Australian society. ...

Video

Rebecca Lim and her writing process

How long does it take to write a YA book? Rebecca Lim fills us in and explains the role reading plays in the writing of her books. Why does she say that having an editor is important? Try challenging yourself to write a story in 100 words.

Video

MathXplosion, Ep 50: How to use a tetrahedron to solve the tree problem

How can you place four trees exactly the same distance apart from one other? By making a model! By using miniature trees to make a model of the problem, it becomes clear that a 2D solution is impossible. We learn how objects can help us visualise the problem situation, which in this case requires a 3D solution: a tetrahedron.

Video

What is Music?: What are the musical features of a news theme?

Music that introduces the news has to be not only dramatic and exciting but also neutral. It has to introduce war and disasters, as well as weddings and elections. It turns out, the music we associate with the news worldwide often originates from movies! So, what does an effective news theme often include? How would you ...

Video

Foreign Correspondent: The Mekong: A damming example

The government of Laos has plans for many revenue-raising dams along the Mekong River. Find out about a dam, the Nam Theun 2, which was completed in 2010 and lies across the Nam Theun river in the Nakai Plateau. This clip from the same year asks if the dam could be the flagship for others to be built along the Mekong. Discover ...

Video

Catalyst: Predicting earthquakes

Will scientists ever be able to accurately predict earthquakes? Imagine the number of lives that could be saved if this were possible. Dr Maryanne Demasi joins a group of researchers drilling into one of the most earthquake-prone regions on Earth as they try to improve earthquake prediction to add precious seconds to earthquake ...

Video

Heywire: It's all in the tone

Feel the effect of David Martyr's skilful use of tone in this Heywire audio story of life in a mining camp. How does he create it, and what is its effect on how we respond to his subject matter? Could you write or record a similar story about yourself and/or your community? The ABC's Heywire competition calls for stories ...

Video

Creating art and meaning from waste

Welcome to Marina DeBris's exhibition, "Beach Couture: A Haute Mess". How would you describe Marina's art? What are the ideas she communicates through her artworks? How do the processes, materials and techniques Marina works with contribute to the creation of meaning in her art? Do you agree with Marina's belief that art ...

Video

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?

Video

Catalyst: Growing avocados

Demand for certain kinds of food changes with time as people's tastes change. Avocados were not always popular, but in recent years their popularity has increased so much that supply cannot keep up with demand. Learn how stem cell scientists at the University of Queensland are leading the way in research that could cut ...