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• TLF-IDM020685

Did you know that climate change is not a recent phenomenon? In the past, natural events led to changes in the climate. Although natural events still affect climate, they're not enough to explain the big changes we've been seeing in the last 150 years. What changes on earth can account for such dramatic changes to our climate? ...

• TLF-IDM025420

What is the "wisdom of a crowd"? Mathematician Lily Serna investigates a mathematical phenomenon that suggests that if you have a large enough crowd, with a broad variety of people making estimates, then the mean (average) answer of the crowd will be accurate! Find out if a crowd can guess the weight of Uluru from the ground ...

• TLF-IDM015413

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 ...

• TLF-IDM015417

Have you ever made a big contribution to your local community? Heywire is a national competition that assists young people to make a difference in rural communities. Bridie Johnstone from Woodend, Victoria, was a finalist of the 2012 Heywire storytelling competition for young people. Listen to how she is using music to ...

• TLF-IDM020133

Watch this clip to find out about the relationship between authors and illustrators. What role does the publisher play in this relationship? What does Sally Rippin say about the role of illustrations in books for young children?

• TLF-IDM015668

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.

• TLF-IDM017940

What part does the force of friction play in our everyday lives? Friction can be an advantage (friend) or a problem (foe). Join interviewer Doug Traction and professors Static, Slide, Rolling and Fluid at the National Tribology Research Centre as they have forceful fun investigating friction. This video won a prize in the ...

• TLF-IDM015938

Did you know that the shape of an object can affect its strength? Watch as Ruben Meerman tests two columns of different shapes to see which can carry the greater load. Consider how engineers might use this information to build tall structures.

• TLF-IDM018812

The water cycle is the circulation of water on, in and above Earth and it involves a number of stages and changes of state. This clip describes the water cycle and also how modern technology has contributed to our understanding of the shape of raindrops and its relationship to precipitation. Discover how raindrop shape ...

• TLF-IDM018851

The phases of the Moon and lunar eclipses occur due to the Moon's orbit of Earth, and its position in relation to both the Earth and the Sun. Watch this animation showing a model of the Moon's orbit, its phases and a lunar eclipse. Discover what a total lunar eclipse is and what causes the red colour of a 'blood moon'.