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Catalyst: Can you solve the 'travelling salesman problem'?

Imagine you are a salesperson having to travel between multiple locations. How would you achieve this in the quickest way possible? This is a problem that has stumped mathematicians for decades, and there is even a prize for anyone who can come up with an algorithm to solve it. In this video, three methods are used to try ...

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For the Juniors: Growing rice

What is your favourite way to eat rice? This clip shows how rice is planted, grown and harvested in many different countries (places in the world). View the different foods made with rice.

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Stateline: Saving the northern hairy-nosed wombat

Just what is going on with the northern hairy-nosed wombat? Find out why scientists are working hard to understand more about this elusive Australian mammal. Watch this clip to find out about the ecology of this wombat species and to view some field and laboratory research aimed at saving it. You will also see some footage ...

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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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Pet Superstars: A pig in high heels?

Meet Trotsky the pet pig. Look at him carefully and find out more about pigs as pets. See how Trotsky is looked after and why he is a much-loved family pet.

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The Milky Way

What do you know about the Milky Way? Did you know that there are hundreds of billions of stars in it? Before you embark on your stargazing expedition, watch this video to learn how you can use just your hands and a compass to locate stars in the sky! What is the unit of measurement used when you're measuring distances ...

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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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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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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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Spectacular spiders and their stunning silks

Discover what makes spiders so spectacular in this award-winning clip about the feeding habits, adaptations, and physical features of spiders. See close-up footage of spiders weaving their webs, catching their prey, and sheltering in their retreats. Brandon Gifford entered this video in the 2013 Sleek Geeks Eureka Science ...

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Catalyst: Thinning ice sheet

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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Can We Help?: Effects of g-force on the human body

Peter Rowsthorn visits the Australian International Air Show to answer the question, 'What effect does g-force have on the human body?' Join Pete in the cockpit of a light plane for some aerobatics with pilot David Pilkington. G-force expert Dr David Newman explains the science as Pete endures up to 6 g in the aircraft.

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Atoms of Fire: What makes salt and sugar so different?

Have you ever accidentally sprinkled sugar on your dinner or spooned salt into your coffee? Those white crystals might look the same but they taste very different because they are made of different kinds of atoms bonded in different ways. Discover how chemists identify what kinds of atoms a compound is made of, then find ...

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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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Quantum: Tidal power

Journey to Bathurst Island where strong tidal currents can be found in the Apsley Strait. Observe how the Nguiu community is investigating the use of tidal power to provide their electricity needs instead of using non-renewable and expensive fossil fuels.

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

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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Lateline: Carbon capture and storage

Is carbon capture and storage (CCS) the solution to climate change? CCS technology captures carbon dioxide from the flue gases of coal burning power plants and takes it to long-term storage. The coal industry has high hopes that pumping the liquefied gas into underground reservoirs, or geo-sequestration, will provide safe ...

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Kids in the Garden, Ep 5: How plants work

Plants are the only living things that can make their own food. They do this during the day while it's light, using a process called photosynthesis, which uses carbon dioxide and produces oxygen. During the day and night plants take in oxygen and release carbon dioxide through respiration. Discover just how important plants ...

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For the Juniors: Keeping cool in hot weather

Have you ever wondered why your face turns red when you run around? Discover what's going on under your skin when this happens, and how this helps you keep cool. See some of the clever ways that animals keep cool, too.