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Counted: Marcia Langton on racism

Marcia Langton, a teenager in 1967, reflects on her experiences of racism. What does she say about the language of racism? How have Marcia and Stan Snr experienced racism? And what does Marcia say are its effects? What do you think are the effects of racism?

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Modelling climate changes

There is a saying: 'climate is what you expect and weather is what you get'. |Understanding climate change is very difficult for most people, especially when the weather we experience is different from the information we are given by scientists about the climate changing. The difference is that weather reflects short-term ...

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Counted: Being an Aboriginal student in the 1960s

Listen to Stan Grant Snr, Marcia Langton and Sol Bellear as they share their school experiences. How would you describe what they experienced? How do their memories make you feel? Why do you think these things happened to them? And what effect do you think their experiences would have had on them?

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John Lewin: 'Reed warbler' 1805

Natural history illustrator John Lewin was the first professional artist to come to Australia as a free settler. His collected illustrations of native birds became the first non-government book published in the colony. How difficult do you think it was to identify and illustrate so many different birds?

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Working towards a renewable energy future

Listen to electrical engineering student Kulsoom Hussain describe her dream career. What are some of the challenges she says she'll face in trying to achieve her goals? What can you find out about the energy sources used in Australia? How much renewable energy is used to power our country?

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Counted: Faith Bandler on voting yes in the 1967 referendum

In 1967, after 10 years of campaigning, Australia voted yes in the referendum on changing the way Aboriginal and Torres Strait Islander people were referred to in the Constitution. Faith Bandler played an important role in campaigning for the yes vote. Do some research and find out more about this remarkable activist.

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BTN: Meet a young author

Do you love writing stories? Learn how Hannah Chandler got a book published at the age of 12! Why don't you make your own book? Once you're happy with your story, find yourself an illustrator (a friend, family member or even yourself!) and start designing your pages. Once they're ready attach them all together. Don't forget ...

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Researching with Gary Crew

When authors write stories involving historical events, they often spend time doing research. Why do you think they might do this? What are some of the primary source documents Gary Crew used to inform his book, Strange Objects?

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Catalyst: What is a mega-region?

Population growth is one of the problems facing Australians cities. Dr Julian Bolleter from the Urban Design Research Centre at the University of Western Australia says creating mega-regions could be a potential solution. What is a mega-region? In order to create a mega-region, what must happen first?

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Come and meet the instruments video

Come and meet the orchestra! The musicians are wearing 4 different colours to show which section they belong to. Can you name the 4 sections of the orchestra? What are the names of some of the instruments in each section?

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Testing the 5-second rule

When it comes to dropping food, have you heard of the 5-second rule? Or the 3-second rule? Watch this video to learn what really happens when you drop food. In order to cause disease, what must bacteria do? What circumstances allow bacteria and viruses to contaminate food more successfully?

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BTN: Seeding clouds to make rain and snow

Imagine if we could control the weather. Find out how scientists are already at work making clouds rain when and where they want. It's called cloud seeding. Watch this clip to understand how cloud seeding works, and where it is being used in Australia.

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Catalyst: Would you eat insects?

A lot of resources go into the production of beef. For example, 20 litres of water is needed to produce just 1 gram of beef. In order to produce food more sustainably to feed an ever-growing population, some alternatives to protein have been suggested. What are some of these alternatives? Do you think they will ever replace meat?

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Catalyst: River porpoise rescue

Can you imagine seeing porpoises leaping out of the water in a river near you? Sounds unlikely, doesn't it, but that's what people living along the banks of the Yangtze River in China often used to see. These Yangtze finless porpoises are now rapidly disappearing. Find out why and what Chinese scientist Professor Wang Ding ...

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MathXplosion, Ep 8: Birthday probability

What is the probability there are at least two people in your class who have the same birthday? If you have at least 23 people in your class, the chances are good. Find out the maths behind this theory.

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Catalyst: What is a megafire?

Join Catalyst reporter Anja Taylor as she visits the Jemez Mountains in New Mexico and discovers the impacts of recent megafires on the landscape there. What is a megafire? And how is a megafire different from a regular wildfire? How have recent fires permanently transformed the landscapes that Anja and Professor Craig ...

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Types of triangles

What is the difference between equilateral, isosceles and scalene triangles? See if you can find and classify triangles based on the definitions given in this maths video.

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Know your robotics materials

Sean, a robotics mentor for FIRST Robotic Competition's 3132 'Thunder Down Under', worked on the robot's intake system which allows it to take in the 'boulder', or the ball, so it can then shoot into the high goal or the low goal. What were some of the challenges he faced in designing and building this feature?

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Lights out!

Host Paul Rissmann describes a scene where Mussorgsky finds himself all of a sudden in the dark. How does the music add to the scariness of this story?

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Impact of European settlement on Aboriginal Tasmanians video

Aboriginal Tasmanians had inhabited Tasmania for over 40,000 years before the arrival of European settlers. What do you think life was like for Aboriginal Tasmanians before then? Why might have they embarked on a war, called the 'Black War', once settlers began arriving in Tasmania, despite existing relatively peacefully ...