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Listed under:  Mathematics  >  Statistics and probability  >  Data analysis
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Catalyst: How will fire change the climate?

Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

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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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Catalyst: Managing bushfires

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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The Merri Creek Project

Find out about the native plants and animals found at a local creek, and about introduced plants (weeds) that are impacting this natural habitat. View this clip called 'The Merri Creek Project', created by young reporters from North Fitzroy Primary School, Victoria. The clip was developed as part of the ABC Splash Live ...

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BTN: Volcanoes and people

Imagine living in the shadow of a volcano? Well, millions of people do in Naples, Italy, where a massive volcano called Vesuvius exists. This clip explores the dangers posed by volcanoes and investigates some recent and ancient eruptions. Find out some misconceptions about volcanoes and discover how science is helping prevent ...

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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.

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Sciencey: Will Australia have the last bees on Earth?

Bee populations around the world have started vanishing, in a process known as colony collapse disorder. Scientists have many ideas about what causes colony collapse, including one possible culprit: the varroa mite. Australia is one of the last places on Earth unaffected by varroa. Could this mean that Australia could have ...

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Catalyst: What is a megafire?

Join Catalyst reporter Anja Taylor as she visits the Jemez Mountains in New Mexico and discovers the impacts of recent megafires on the landscape there. What is a megafire? And how is a megafire different from a regular wildfire? How have recent fires permanently transformed the landscapes that Anja and Professor Craig ...

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Scientists study suburban microbats

Discover the tiny bats that live in Australian backyards in urban areas, including large cities. Watch this clip to learn more about these elusive Australian mammals, and to find out about a large-scale survey undertaken in Melbourne. Scientist, Dr Rodney van der Ree, addresses a group of volunteers in the field and explains ...

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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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Four Corners: Ecological effects of bushfires

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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Elliot and the Surfing Scientist: Using a lens to bend light

How can a water-filled plastic straw be used to decode a secret message? Watch as the Surfing Scientist demonstrates how lenses with a curved surface do curious things to light.

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Gardening Australia: Growing vegetables and natives

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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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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Magical Land of Oz: Koalas and climate change

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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ABC News: Frog relocation

Did you know that the site of the 2000 Olympic Games in Sydney is also home to the appropriately named Green and Golden Bell Frog? Watch this clip to find out how Olympic planners worked with the Australian Museum to relocate frogs to a protected, nearby habitat.

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Four Corners: Fire management strategies

What role do fire-behaviour specialists and ecologists have in fire management? Watch this clip to find out about issues relating to fire management in Australia, in particular prescribed burning.

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Sustainable forests, 'lockups' and happy bees

What's a forest lockup? Why is the Tarkine forest special, and how does Tasmanian Forestry attempt to manage activities in the Tarkine forest sustainably? View this clip called 'Tarkine Forest', created by young reporters from Circular Head Christian School, Tasmania. The clip was developed as part of the ABC Splash Live ...

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Landline: Spinifex research

What does spinifex grass contain that might prove useful in modern buildings? Watch this clip and discover how Aboriginal knowledge, combined with Western science, is unlocking the potential of spinifex. Find out about this natural resource and how it could become a new, sustainable material for the building industry.

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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.