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• TLF-IDM016174

This program deals with a range of human impacts on the Great Barrier Reef. Herbicides from land runoff have been traced to algae and sea grasses in river mouths and coastal zones along the Great Barrier Reef. Effects include retardation of photosynthesis and growth of corals. Other pressures on the reef include high water ...

• TLF-IDR9534

This is an edited sound recording of Sir Gustav Nossal describing the medical research for which he became internationally known. He outlines his contributions to the emerging science of immunology in the 1950s-70s, and how other researchers have been able to make further discoveries based on his initial work. The recording ...

• 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-IDM016406

This nine and a half minute video segment from Catalyst describes how researchers from Monash University have hard evidence that cloud seeding can produce good amounts of extra rainfall. Data collected over a long period of time has give hope to scientists and environmentalists who are trying to reduce the impacts of droughts ...