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• TLF-IDM016162

Students learn about the application of light refraction by completing a series of tasks based on light refraction using both concave and convex lenses.

• TLF-IDM016391

This 7 minute video segment from Catalyst describes the risk factors that impact on turtle survival. Protecting the future of turtle populations on the Queensland coast has been the life's work of Col Limpus for the past 40 years. His efforts have included research and reducing predation from foxes and entrapment in trawler nets.

• TLF-IDM016198

A new study reported in this video segment has looked at how temperatures impact cane toad movement and has aided in the development of a model that indicates that their geographical spread is limited. An excellent example of the use of mathematical modelling in scientific research and how scientists have tried to address ...

• TLF-IDM016472

This six and a half minute video segment from Catalyst explains Earthshine as light from our own Earth reflected back from the Moon's dark side. A PhD student is studying it to learn about how light reflects from a planet that contains liquid water as well as land. Her work may one day lead to the discovery of other planets ...

• TLF-IDM016561

This six and a half minute video segment from Catalyst provides an example of a new strategy to balance human activities and needs with the maintenance of a quality and sustainable environment. Viewers will discover how EcoTender, a land management scheme being trialled by the Victorian Government, is combining science ...

• TLF-IDM016590

This minute video segment from Catalyst decade ago describes the Australian initiative, Argo, that has become a major international collaborative project to look at the world's oceans and help understand processes at depth - monitoring the pulse of the global heat balance and giving us vital information on the ocean's role ...

• TLF-IDM016309

This 5 minute video segment from Catalyst describes how Charles Darwin has revolutionised the way we understand modern biology and evolution. A scientist in Queensland put one of his theories under the microscope by testing to see if more brightly coloured male butterflies have greater success in mating. He speculates that ...

• TLF-IDM016623

This seven and a half minute video segment from Catalyst emphasises the importance of collections in science. The Royal Botanic Gardens is the oldest scientific research organisation in Australia. The history of the gardens is outlined up to its current status as the home to almost 9,000 different species of plants. Paul ...

• TLF-IDM016647

A five and a half minute video segment from Catalyst that explains why Grey Nurse Sharks are in danger, especially on Australia's east coast where only a few hundred individuals are thought to exist. However, in a world first, researchers at the NSW Department of Primary Industries have built an artificial uterus, which ...

• TLF-IDM016671

This 5 minute video from Catalyst describes froth flotation that has been used to separate some useful components out of mixtures in mining. Laureate Professor Graeme Jameson pioneered a way to help the mining industry extract fine particles and led to the development of the Jameson Cell. His scientific approach is now ...