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        Listed under:  Science  >  Life  >  Ecosystems
        Video

        Engineering clean rivers

        • TLF-IDM021121

        Figuring out how to clean up contaminated rivers is a big challenge. It's also tricky to work out where the most contaminated parts of a river system are and whether its fish are safe to eat. Watch this video and learn how engineering has helped to solve these problems. Why do you think engineers looked to the bottom of ...

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        Video

        Magical Land of Oz: Koalas and climate change

        • TLF-IDM025103

        The koala population in rural NSW has been declining over the years due to drought and heatwaves. What causes some of the temperature extremes experienced in this region? Dr Mella believes koalas normally get most of the moisture they need to stay hydrated from eucalyptus leaves. What has changed in recent years that means ...

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        Video

        Kids in the Garden, Ep 9: Vegetable gardens

        • TLF-IDM015627

        Have you ever grown vegetables? In this clip you will discover many things about vegies and how they grow. Presenter Nick Hardcastle will even show you how to make a vegetable garden in a box. Find out which vegetable is actually a flower, which are the best seasons for planting and picking, and how deep to bury seeds.

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        Video

        Gardening Australia: Growing vegetables and natives

        • TLF-IDM015959

        Discover what vegetables the students at Swan Valley Anglican School choose to grow first in their new school garden. In this clip, Josh Byrne is helping students to transform a bare patch of ground into a productive garden. Find out about the landscaping materials they use, and why particular plants, including natives, ...

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        Video

        The bang behind fireworks!

        • TLF-IDM018841

        Ever wondered how fireworks are created? In this clip, pyrotechnics expert John Conkling describes the chemical and physical components of fireworks, and demonstrates many coloured explosions in a laboratory. Discover that a fireworks display is a chemical reaction between an oxidiser such as potassium nitrate and a fuel ...

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        Video

        Catalyst: Coorong salinity

        • TLF-IDM015398

        Imagine the mighty Murray River as it flows through South Australia and reaches the sea. Explore the consequences of drought and human activity while listening to Graham Phillips describe the effects of the Coorong's increasing salinity and the the associated threat to Adelaide's supply of fresh water.

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        Video

        Why do mosquito bites itch?

        • TLF-IDM025104

        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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        Video

        To save a sad creek called Merri

        • TLF-IDM015469

        Find out about some of the issues and solutions for managing waste and pollution in a local creek. View this clip called 'Is Merri Creek truly merry?', created by young reporters from North Fitzroy Primary School, Victoria. The clip was developed as part of the ABC Splash Live 'Making the news!' project, which featured ...

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        Video

        Kids in the Garden, Ep 4: Plant leaves

        • TLF-IDM015666

        Leaves come in many shapes, sizes, colours and textures. Watch this clip to discover how leaves make their own food and transport energy to the rest of the plant. See how they can even be useful after they've fallen to the ground. Presenter Nick Hardcastle and some young helpers will also show you a fun, creative activity ...

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        Video

        Kids in the Garden, Ep 12: Trees: a vital part of our lives

        • TLF-IDM015639

        Have you ever heard of the 'sausage tree' or the 'dragon blood tree'? Watch this clip to find out about these and many other types of trees. Explore how they grow and why they are important. Presenter Nick Hardcastle will also show you how to plant a tree and grow a bonsai tree.

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        Video

        Termites: Destroyers or recyclers?

        • TLF-IDM017837

        Be amazed by what these young scientists find out about termites. Discover where termites live and what they eat. You may be surprised to find out that they are not actually ants, and that they are blind! This video was a finalist in the 2013 Sleek Geeks Eureka Science School Prize competition.

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        Video

        Catalyst: Aboriginal fire knowledge reduces greenhouse gases

        • TLF-IDM015379

        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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        Video

        Catalyst: Thinning ice sheet

        • TLF-IDM015374

        Discover that that the massive ice sheet in East Antarctica has been losing mass since 2006 instead of growing, as was previously thought. Watch animations to see how scientists from NASA and Australia are using satellite technology and aerial monitoring to investigate the thickness of East Antarctica's ice sheet. Find ...

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        Video

        ABC News: Dr Karl vs the mysterious giant squid

        • TLF-IDM016793

        Do you believe in the legendary sea monster called the Kraken? It's said to have gigantic tentacles and to lurk in the deep ocean. In this clip, Dr Karl talks about some of the extraordinary features of a real deep-sea creature - the giant squid. Watch this clip to find out about it and see some footage of this amazing creature.

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        Video

        Foreign Correspondent: Cenotes

        • TLF-IDM017475

        The Yucatán Peninsula is located in south-eastern Mexico and covers a vast area of coastline south of the Gulf of Mexico. It is a popular tourist destination for people who travel to cities such as Cancún to enjoy sandy white beaches. Explore the subterranean freshwater caverns of this region and discover why this pristine ...

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        Video

        Migratory birds

        • TLF-IDM015485

        Discover a program that builds awareness about Tasmania's shore birds. See how community involvement is helping to monitor their populations. View this clip called 'Migratory birds', created by young reporters from Circular Head Christian School, Tasmania. The clip was developed as part of the ABC Splash Live 'Making the ...

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        Video

        Gardening Australia: Understanding bush foods

        • TLF-IDM015924

        Did you know that you can mix the nectar from some native flowers with water to make a sweet drink? Explore the Royal Botanic Gardens of Sydney with Gardening Australia presenter Clarence Stockee, and discover plants used by Aboriginal people. Find out about some native Australian bush foods, such as Kurrajong seeds, and ...

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        Video

        Catalyst: Managing bushfires

        • TLF-IDM015393

        To burn or not to burn? Investigate the science behind arguments for and against controlled burn-offs that aim to reduce the risk of bushfires to humans. Listen to the reasons Professor Mark Adams of Sydney University gives for a careful approach to prescribed burning.

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        Video

        Landline: Water footprints in food manufacturing

        • TLF-IDM015726

        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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        Video

        Gardening Australia: Creating a wetland

        • TLF-IDM016048

        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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