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For the Juniors: Fish from the ocean to table

Have you ever eaten fish for dinner? This clip tells the story of how fish come from the sea to your plate. See how fish are caught, bought and sold. Watch a fish being cut into fillets and find out what happens to the bits we don't eat.

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Atoms of Fire: Chemical products that change our lives

Travel back one hundred years in time to observe the technologies that people were using and to consider the technologies that had have yet to be invented. View the types of new substances that were invented by chemists during the last century.

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Catalyst: Volcanic eruptions at Mount Ruapehu

Imagine a volcano erupting kilometres away. You are afraid, worried for the safety of yourself and others. Paul Willis presents the work of New Zealand volcanologists conducting research at Mount Ruapehu, a volcano with a history of devastating lahar (water, sediment and rocks) flows. Learn more about lahar flows and the ...

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BTN: Curbing the carp population

Find out why European carp fish are called 'river rabbits' in Australia. Listen to how they came to Australia and what makes them such a pest now.Discover how a local entrepreneur is exploiting the new resource while scientists are doing their best to cap the carp population explosion.

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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: Climate and bushfires in Australia

What can science tell us about the major cause of bushfires in Australia's past? How can it help us predict future bushfires? Two scientists discuss evidence related to bushfire regimes (bushfire patterns, types and intensity). Please note that this clip contains recent images of homes destroyed by fire that may disturb ...

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Catalyst: Birth of radio astronomy

Did you know that some of the most ground-breaking scientific discoveries were made by chance (serendipity)? Discover the link between static on a telephone line and the invention of the radio telescope that has helped scientists find new clues to the origin of the universe.

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Landline: Water footprints in food manufacturing

How much water does it take to produce a large packet of M&Ms? Watch as the 'water footprint' of some household products is presented and hear the concerns expressed about the methods used to calculate these footprints. Discover how an examination of the water used by the components of some manufactured foods has led to ...

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BTN: Daily bread

Do you eat bread? How often? Discover why bread has been important for human survival for thousands of years. Find out how to find the healthiest types of bread to eat. See how you can make your own bread at home.

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Catalyst: How metamorphic rocks are formed

Imagine the forces required to change one type of rock into another type. Listen to presenter, Bernie Hobbs, explain the forces that transform sedimentary rocks to metamorphic rocks. She visits the Australian Nuclear Science and Technology Organisation (ANSTO) to demonstrate how limestone can be transformed into its matching ...

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Elliot and the Surfing Scientist: Carbon dioxide (CO2) fire extinguisher

Different types of chemical reactions are used in many everyday products. Watch this clip to see how two common household substances can be combined to create an 'Invisible Candle Extinguisher'.

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Gardening Australia: Creating a wetland

Find out how a school uses stormwater to create a wetland habitat for native plants. Josh Byrne visits Swan Valley Anglican School to observe the growth of their vegetable garden and to help out in the creation of the wetland. Discover what plants are best for a wetland habitat and how it will increase biodiversity and ...

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Kids in the Garden, Ep 8: How plants survive in different places

Explore some amazing ways that plants can survive in their habitats. See plants that mimic stones. Discover how some plants use weapons to protect themselves. Meet plants that trap their victims to feed on them.

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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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Catalyst: Geoengineering - a solution to climate change?

What is geoengineering, and how is it being investigated by scientists as a means of combating climate change? Learn about some climate control techniques that could slow down or even reverse the effects of global warming. Hear an atmospheric physicist explain the pros and cons of geoengineering techniques.

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For the Juniors: How does rice get to the supermarket?

Do you like brown rice or white rice? Do you know why they look different? This clip shows how rice grains from the farm are cleaned, milled and packed into bags. Discover how many different foods can be made from rice.

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ABC News: Disease threatens fish

Imagine what would happen if a deadly fish disease found its way into Australia's biggest river system. Watch this clip to learn more about a disease threatening the ecology of the Murray-Darling River. Scientist, Professor Richard Whittington, explains that the disease could be the final straw for an endangered Australian ...

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Catalyst: Coal seam gas production

The latest coal rush is sweeping across Queensland, but this time without having to dig the coal up. Animations show the processes used to extract coal seam gas (CSG) out of the ground, which can then fuel gas turbines in power stations. Discover how CSG avoids some of the environmental effects of traditional coal mining, ...

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Catalyst: Advances in nuclear power technology

Imagine our world if nuclear power generation could be made safer. Discover how Chinese scientists have developed a new nuclear reactor that reduces the chances of the reactor overheating to the point of meltdown. To do this the pebble bed reactor uses advances in technology to replace the traditional water-cooled system. ...

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Feathers, Fur and Fins: Observing a kangaroo

Take a look at Australia's most famous animal, the kangaroo. Don Spencer feeds a female kangaroo that has a young joey in her pouch. Observe (look carefully at) how kangaroos stay alert in case of danger.