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MathXplosion, Ep 17: Develop mathematical mind-reading skills

Amaze your friends with your super mind-reading skills. Here’s a brain game you can play by asking a few questions and substituting letters for numbers! Learn to follow a specific sequence of arithmetical steps to always arrive at the same answer.

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The Sydney Bird Painter: 'The white gallinule' c. 1791-92

Can you imagine what it would have been like to arrive in Australia and see its unique flora and fauna for the first time? Scientific drawings of Australia's flora and fauna emerged with the arrival of the first European settlers who were fascinated by how unusual they were. Sadly, even as they documented these extraordinary ...

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Catalyst: Sending seeds into space

Why might we need to keep a collection of seeds from all over the world? Where would we keep a collection like that? Should we send some of them into space? Watch this clip to reveal answers to all these questions and more.

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MathXplosion, Ep 25: Mobius strip twist

Can you make a set of linking rings from one strip of paper? You could if you made a small change to a mobius strip! A mobius strip is a piece of paper with one surface and a half-twist. Take a regular mobius strip and divide it into thirds. As you cut the twisty strip lengthwise into three pieces, something magic happens: ...

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Andy Griffiths' tips for writing funny stories

Watch this video and learn how to write funny stories with tips from Andy Griffiths! What does he say is a good starting point? Why don't you try writing a story about a time something embarrassing happened to you? What does Andy say is the key to getting readers to enjoy your story and have a laugh?

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Numbers Count: What are factors?

What are factors? Watch as the jelly babies in this clip show you! What are the factors of 12? How many factors does the number 11 have? Try explaining to a friend what a prime number is.

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Where did English come from?

This short video for students traces English from the present day back to its ancient roots, showing how English has evolved through generations of speakers

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BTN: Young drovers: reviving a proud tradition

Did you know that Aboriginal pastoral workers were the backbone of the wealthy Australian cattle industry, but that until 1968 they were never paid an equal wage? Find out what it took for these stockworkers with valuable work skills to achieve equal pay. Watch, too, how some Aboriginal students in the Roper Gulf country ...

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Benalla Migrant Camp

While many postwar immigrants were sent to Bonegilla Migrant Reception and Training Centre when they arrived in Australia, others lived at the smaller Benalla Migrant Camp. Like Bonegilla, Benalla is in north-east Victoria. Unlike at Bonegilla, however, many immigrants remained at Benalla for over a decade. Listen as Sabine ...

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Elliot and the Surfing Scientist: Boiling liquid nitrogen at freezing temperatures

Explore some of the amazing properties of liquid nitrogen with Ruben the Surfing Scientist. Find out how Ruben proves that liquid nitrogen is very very cold. See the effect of adding liquid nitrogen to water.

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BTN: South Australia's ancient sea fossils

Come on a palaeontologist's dig at Emu Bay, South Australia, and discover some weird-looking creatures frozen in stone. Find out what these fossils tell scientists about life on the ancient sea floor. There is a demonstration of how a fossil is formed, and you'll be surprised by the types of materials that have been preserved.

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Catalyst: Tsunami prevention in the Pacific

By investigating sediments and debris left by devastating tsunamis throughout history, Japanese scientists are making discoveries that change the way we understand disaster prevention in the Pacific. Watch as research teams examine rocks and mud layers; create digital simulations of past tsunamis; and investigate the seabed ...

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The House In Session, Ep 4: The rules that guide the House of Representatives

Annabel Crabb explains some of the rules that guide the House of Representatives – also known as the Lower House – where Members of Parliament argue about and vote on new laws for Australia. Why would a politician hold paper over his or her head when speaking in the Lower House? What happens when all the clocks in the building ...

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BTN: New Zealand's earthquakes

Damaged buildings, flooded roads, and crashed cars! No, it's not a bad dream; it's actually the aftermath of an earthquake in Christchurch, New Zealand, in 2011. Find out about what causes earthquakes, the damage they cause, and why Christchurch was rocked by two quakes within six months. This clip includes footage of earthquake ...

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How 'binary information' is communicated via the internet

Ever wondered how your photos, emails and messages get sent between devices? Watch as software engineer Tess Winlock explains what binary information is, and how it gets from one place to another. Can you explain what 'bits' are? How about 'bytes'? In the past, binary information was sent using physical systems like semaphore ...

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What makes these paper planes fly?

Have you ever wondered what makes a paper plane fly? Think about the design of the paper plane as well as external factors like the various forces that are at play, then make a list of the design considerations and a list of the different forces.

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Making a Mini-documentary, Ep 3: Setting up equipment for a video interview

Camera and microphone. That may be all the equipment that you need for a video interview but Catherine Marciniak and Benj Binksfrom ABC Open will show you that there is a little bit more involved in setting these up. This clip is one of eight on making a mini-documentary.

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What are pixels?

Meet Kevin Systrom and Piper Hanson as they explain how digital images work. What are pixels, those tiny dots of light, made from? How are colours created and represented? What does Kevin say about the way mathematical functions are used to create different image filters. What is the difference between image resolution ...

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The House In Session, Ep 3: The Westminster system and borrowed traditions

Annabel Crabb explains the interesting traditions that the Parliament of Australia has borrowed from the parliament of Westminster in the United Kingdom. Who is Black Rod, and what is a serjeant-at-arms? What is the Mace, and why is a hood placed over it when entering the presence of the Governor-General? And why would ...

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The House In Session, Ep 2: Secrets of the Parliament House building

Annabel Crabb takes us on a tour of Parliament House in Canberra, explaining why her favourite parts are at the very top and the very bottom of the building. Navigate 10 kilometres of hallways, witness the "best view in Canberra", meet the Queen of the Underground and find out how to change the 12-meter flags. What unexpected ...