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How to be funny

What is the key to being funny? As Tim Ferguson explains, if you can laugh, you can write comedy. Has something funny happened to you lately? Or is there something in particular that you find puzzling or amusing about the world around you? Put your thoughts on paper and experiment with telling your story in different ways. ...

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Growing carbon nanotubes

Carbon nanotubes are a very tiny but super strong material used in manufacturing to create strong, lightweight products. Besides sporting equipment, find out what other kinds of products are made using these tiny molecules. What other qualities (besides size and strength) do carbon nanotubes have that makes them even more ...

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Show me the water!

Where does the water in your tap come from? Fresh water accounts for only 3% of the earth's water supply and only 1% of that is available to us in lakes and rivers or in the atmosphere. But how much do we use for drinking water and what else do we use fresh water for? Watch this video to find out how NASA's Global Precipitation ...

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BTN: Food wastage

Do you know how much food industrialised nations, including Australia, throw away every year? Global population is set to reach over nine billion by 2050 which will increase demand for food by 70%. What do you think we can do to consume food more responsibly and sustainably? How might we re-direct food that would otherwise ...

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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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How do computers get hacked?

What are some examples of cyber crime? Watch this clip to find out how viruses, denial of service attacks (DDoS) and phishing scams work. What is a botnet? And how are they used by hackers to bring down websites? Most of the time computers get hacked because of simple mistakes users make. What can users do to better protect ...

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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 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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MathXplosion, Ep 49: The probability of finding matching socks

Check out this probability puzzle that requires you to weigh all the possibilities. Pick the most likely outcome when confronted with a drawer full of loose, unpaired socks! How did Eric come up with a matching pair?

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When to use 'me', 'myself' and 'I'.

This short video for secondary students explains the different roles in a sentence that 'me', 'I' and 'myself' play, and where each belongs.

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Precision Sheep Management: video

This is a video (4:09 min) about the University of New England’s Kirby Research Station and how its work with sheep has been transformed by technology, particularly the Radio Frequency Identification (RFID) tag. The video is presented by members of the Enhanced sheep wellbeing and productivity research program and includes ...

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Becoming a Wine Maker

This is a short clip in which a winemaker describes his job and industry including some of his daily tasks, the location of the winery in south-east Queensland’s Granite Belt Region, and the role of that winemaking plays in the agrifoods industry. The winemaker, Peter, works at the Queensland College of Wine Tourism and ...

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Low impact sustainable agriculture

This is a video (4:15 min) about how the Stewart family is regenerating their family farm, Yan Yan Gurt West, in south-western Victoria. Presented by family members, the resource describes how the land was over-cleared in the past and its hydrology or water resources were compromised when swamps were drained. The regeneration ...

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Benefits of teamwork in robotics

It takes team work to build robots! Oliver talks about how he didn't know too much about building robots when he first joined  3132 'Thunder Down Under', but by being in a team with others learned a lot of skills. He also talks about sharing ideas, and how valuable it is to make and learn from mistakes with others. Why ...

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Thinking about settings with Leigh Hobbs

As Leigh Hobbs says, the great thing about inventing a character is that you also have the power to choose where they live. What's your character's world like? Describe your character at home. Where do they live? And what do they do there? Now choose a completely different location and plonk your character there. Think ...

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How computers compute

Watch as Jamie Teherani from MIT, demonstrates how a big, mechanical computer made from wood works. What does it have in common with the high-tech computers of today?

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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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Transition to Agriculture

This 6 minute video explains how agriculture drove change and why humans took the risk of abandoning foraging. As farming technologies improved, populations increased, which led to the growth of villages and then cities. This in turn enabled collective learning, so that farming regions got a head start on other regions. ...

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Why was agriculture so important?

This 10 minute video in 2 parts offers an overview of the development of agricultural practices in ancient societies. Part 1 discusses the limitations of foraging for food, and the advantages of farming - the domestication of animals and plants for nutrition. This move to agriculture meant humans changed also - technologically, ...