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Catalyst: Geoengineering - a solution to climate change?

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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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Catalyst: Impact of coming to school on carbon emissions

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How big is your carbon footprint as you travel to and from school? Watch Daniel O'Doherty, 2008 'Action Against Climate Change' Eureka Schools Prize winner, as he determines his hypothesis then designs and conducts a study about carbon emissions. Listen to the recommendations he makes to reduce and offset the emissions ...

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Feathers, Fur and Fins: Observing a platypus

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Meet one of the world's most amazing creatures. Listen as Don Spencer describes the features of a platypus. Watch a platypus clean itself and then swim under water to search for food. See what type of animal the platypus catches and feeds on by the water's edge.

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Feathers, Fur and Fins: Observing a koala

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Join Don Spencer as he talks about one of Australia's most popular animals. Observe koalas as they walk, climb and jump to find food in the bush. Discover why koalas rarely drink.

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Pet Superstars: Will Meeko grow up to be like his dad?

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Meet Meeko the kitten. Listen as Lockie describes why he chose a kitten for a pet. Find out what he likes about cats. Look for the photo of Meeko the kitten and its father. Do Meeko and his dad look at all alike?

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Video

Tough zirconium - but what's its secret side?

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The element zirconium is often used for its tough, abrasive properties. It also has a secret side. View this clip (developed by students for the 2013 Sleek Geeks Eureka Science Schools Prize competition), which highlights the properties and uses of zirconium in a highly visual and fun way.

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Video

Phases of the moon

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Can you name the different phases of the moon? Watch this video and learn about the phases, how long a full lunar cycle is and why the moon looks larger at times.

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Video

Feathers, Fur and Fins: Observing a shark

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Don Spencer shows us one of the world's most fearsome creatures, the white pointer shark. Take a close look at the shark's teeth and jaws. Discover how the shark moves so quickly underwater.

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Video

Catalyst: Chemical pollutants toxic to whales

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Explore how chemical pollutants affect the Antarctic food web. A scientist shows that baleen whales are consuming Antarctic krill contaminated by accumulated residues of persistent organic pollutants (POPs) from pesticides and industrial chemicals. Find out why these pollutants are concentrated at the Earth's polar regions.

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Video

Can We Help?: Exploring nanotechnology

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Peter Binks, CEO of Nanotechnology Victoria, answers the question 'How does nanotechnology work?' Discover what nanotechnology is and see several examples in action, such as scratch-resistant paint used in the car industry. Consider future applications of nanotechnology in areas such as sports, health care, clothing and cleaning.

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Video

Elliot and the Surfing Scientist: Salt water density experiment

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Discover what density is and how you can test the density of liquids. You will also find out about salt water and how its density is responsible for the circulation of water around the world's oceans.

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Video

ABC News: Dr Karl discusses mining asteroids

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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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Video

For the Juniors: How do apiarists farm their bees?

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Have you ever wondered what a bee farm looks like? This clip shows how bee farmers (apiarists) look after their bees. Watch the bee hives being opened and see the honey being collected. View the machinery used to collect and bottle the honey.

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Video

Experimentals: Do different things fall faster?

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Want to find out what happens when you drop a watermelon and an apple from the top of a building? In this clip, Bernie Hobbs and Ruben Meerman, investigate whether the mass of an object influences how fast it falls. Bernie and Ruben ride the 'Giant Drop' at Dreamworld, drop a watermelon and apple from an eighth floor balcony, ...

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Video

Landline: Developing bush tucker into a seed crop

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Which native plant might provide a ready-made crop that could be used as a very nutritious food source? Meet two South Australian growers who are investigating just such a native crop. Find out more about the seed crop that does not require significant amounts of water or fertiliser and has a long history of use by Indigenous ...

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Video

Elliot and the Surfing Scientist: Shrinking and expanding metals

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Explore with the Surfing Scientist team what happens when metals are heated and cooled. Find out what happens to a metal ring when it is immersed in extremely cold liquid nitrogen. What do hinges on the Sydney Harbour Bridge have to do with all this? Find out.

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Video

Elliot and the Surfing Scientist: Get Blown Away With This Air Experiment

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Substances exist in different states depending on the temperature. Watch the Surfing Scientist have a popping good time as he demonstrates this phenomenon. Don't forget to block your ears!

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Video

Elliot and the Surfing Scientist: Picking up ice cubes with string

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Imagine trying to pick up a slippery ice cube with just a piece of string. Watch the Surfing Scientist team demonstrate how it can be done, using a surprising additive.

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Video

To save a sad creek called Merri

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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

Four Corners: Ecological effects of bushfires

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Did you know that Australia is the most flammable continent on Earth? Watch this clip to discover how bushfires impact natural ecosystems, and how the increasing global threat of bushfires may affect Australia. Australian scientists explain the ecological consequences of fire and a US expert describes his concerns for the future.

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