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• TLF-IDM024946

Are triangles really the strongest shapes ever? If so, why? Learn how and why right-angled and equilateral triangles have been used in engineering, architecture and design through the ages.

• TLF-IDM015414

Discover the activities deep within the Earth that could seriously impact life on Earth far into the future. Watch this video to find out about the sources of the Earth's own heat. Dr Karl explains clearly just what is below the Earth's surface and what is happening there. As well, he talks about changes in the Sun and ...

• TLF-IDM015781

Visit Wattie Creek at Wave Hill station in 1968. It is two years into the historic strike known as the 'Wave Hill walk-off' led by the Aboriginal Elder Vincent Lingiari. In this black-and-white clip made at the time, listen to Vincent Lingiari and other strikers discuss what they are fighting for. The manager of Wave Hill ...

• TLF-IDM015684

What made Holden cars symbols of Australia during the 1950s, 60s and 70s? During this period, more than any other vehicle, the Holden came to reflect changing lifestyles in Australia, and helped to define for many what it meant to be 'Australian'. Find out the impact that generations of Holden vehicles have had on the lives ...

• TLF-IDM017479

The Yucatán Peninsula in south-eastern Mexico is a popular tourist destination. This clip focuses on examples of sustainable tourism - tourism that aims to have a low environmental impact. View Tulum, a town under threat of being developed similarly to Cancún, a major tourist resort destination.

• TLF-IDM025688

Cultural identity gives us a sense of connection and belonging and an understanding of who we are and where we come from. There is a direct connection between people's sense of cultural identity and their health and wellbeing. This clip explores some of our nation’s history, including how Australia Day is seen by both Indigenous ...

• TLF-IDM020114

Watch this clip to find out what author Rebecca Lim liked to read when she was younger. How have these early interests influenced her writing as an adult? Do you get creative inspiration from books you read? What advice does Rebecca give to people who want to be writers?

• TLF-IDM020952

Watch this clip to learn how author Alice Pung thinks about settings in her writing. What does she say about they way they inform the characters she develops? Why does Alice think a high school is a good setting for a story? Write a short story that's set in a high school, paying special attention to the dramatic possibilities ...

• TLF-IDM017448

The Mekong is the largest freshwater fishery in the world; however, this may be about to change. Discover in this 2010 clip how migration of fish species along the lower Mekong may be impeded by the proposed construction of dams along this mighty river. Do the economic benefits of the dam outweigh the potential loss of ...

• TLF-IDM016022

Discover what threatens a native Australian predator and how scientists are hoping to save it from extinction. This clip about quolls in the Northern Territory describes the causes of its decline and a rescue strategy to save it from extinction. The strategy has a surprising twist - it features the very thing that is threatening ...