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Listed under:  Science  >  Scientific inquiry
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Catalyst: Water through cracked soil

Watch scientists investigate water movement through soil that has been cracked by drought. Australian scientists demonstrate a new way to investigate how water moves through the cracks using electrical probes to measure soil moisture at different soil depths. This technology could help farmers more efficiently irrigate ...

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Catalyst: Penguin wave better than a group hug!

Emperor penguins form a big, tightly packed huddle to keep warm in Antarctica, the coldest and windiest continent on Earth. But how do the ones on the outside of the huddle keep warm? Find out about a clever way of ensuring that no penguin is left out in the cold.

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ABC News: Dr Karl discusses mining asteroids

Imagine an asteroid, half the size of a football field, hurtling towards Earth at a speed of 28,000 kilometres per hour! Watch this clip to find out about Asteroid 2012 DA14 and whether it poses any threat to Earth. You will also discover why mining prospectors are keen to capture asteroids such as this one. Could the next ...

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For the Juniors: Effects of dry weather

What do you feel like when the weather is hot and dry? Discover what happens to the land during dry weather. Look at how the landscape changes at different times of the year.

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Elliot and the Surfing Scientist: Red cabbage pH experiment

It might sound 'un-sciencey', and have a bad smell, but red cabbage is actually very useful for testing the pH of liquids. Added to well-known liquids like lemonade or vinegar, red cabbage juice changes to 'pretty colours'. In this clip, Surfing Scientist Ruben Meerman explains the colour changes and how red cabbage juice ...

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What is a cumulus cloud?

There are many different types of clouds, all with different names. Here, Brianna finds out what a cumulus cloud is. What are other types of clouds?

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What is a meteor?

Brianna and Professor Jonti Horner look up into the night sky to find out more about shooting stars. What is a shooting star made of and why do they fall from the sky?

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Why do mosquito bites itch?

What sounds do mosquitoes makes, and can you find out why those irritating little mosquito bites itch so much? Why do we need mosquitoes? Where do they fit in an ecosystem?

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Catalyst: Aboriginal fire knowledge reduces greenhouse gases

Come on an eye-opening trip to Western Arnhem Land in northern Australia to find out how Aboriginal fire-control techniques are used to reduce greenhouse gas emissions by thousands of tonnes.On the trip you will also find out how exploding ping-pong balls are used to create low greenhouse gas firebreaks at the right time ...

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Catalyst: Supercapacitors: new battery technology

Discover how nanotechnology is contributing to the creation of new, improved batteries that may soon be used in all our mobile phones and portable music devices - even in cars and trams. Catalyst's Tanya Ha looks at how traditional batteries produce electricity and how their efficiency may be increased by tiny devices known ...

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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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BTN: Aboriginal astronomy

Many ancient cultures studied the night sky, and we know this because it is reflected in some of the earliest stories we have on record. Learn about one of these stories in this video. Other than the Dreamtime stories, what other evidence might there be that the Aboriginal people studied the stars?

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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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Catalyst: Seals help climate research

Discover how seals are helping scientists study Antarctica, polar regions, oceans and climate change. Scientists use Weddell and southern elephant seals to gather data and monitor the way currents move heat around the world's oceans.

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Catalyst: Living in space

Do you know that people have been living and working in space for more than 10 years? The International Space Station (ISS) orbits the Earth more than 300 kilometres above us. Watch this clip to discover what life is like in space and the type of research that is conducted there.

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For the Juniors: Growing apples

Do you like eating apples? This clip shows where apples are grown. Learn how the apple farmer (orchardist) looks after the apple trees so they can grow lots of healthy fruit.

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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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Gardening Australia: Exploring the finished garden

Explore the Swan Valley Anglican Community School garden with Josh Byrne, and you will be amazed at what they have created in just six months. This clip will inspire you to create your very own productive garden.

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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 ...

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For the Juniors: Ramping up the fun

Join Winston as he tests which materials slide down a ramp. Which ones will slip and which ones will grip? He's testing a wooden block, a stone, a glass bottle and an eraser. Predict what will happen. Watch to see if your prediction was right.