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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-IDM020704

Can you name the four instruments that make up the brass section of the orchestra? Like musicians in the woodwind section, the brass players power their instruments with air. But how do they do this differently?

• TLF-IDM015926

Dodly and Flynn explore counting with ordinal numbers from first through to sixth. Investigate the order of ice-cream on an ice-cream cone, sheep being shorn and playing 'pass the parcel'. Where did the missing birthday cake go? Could it be the prize in pass the parcel?

• TLF-IDM017982

China is experiencing rapid urbanisation. Rural workers are on the move, searching for new opportunities in China's largest cities. This process is fuelling China's economic growth and improving the wellbeing of its citizens. But is the rate of change too fast? Are there pitfalls on the road to prosperity?

• TLF-IDM015449

How long is the Australian coastline? See Dr Derek Muller and Simon Pampena discussing the perimeter of the Australian coastline. Find out how the accuracy of that measurement depends on the length of the 'measuring stick' used. They discuss how a coastline is much like a fractal such as 'Koch's Snowflake'!

• TLF-IDM015443

How do people become refugees? From the late 1960s, the small Southeast Asian nation of Cambodia was dragged into a war that was not of its making. Many thousands of its people suffered terribly when their country was caught up in the Vietnam War. Watch as ABC reporter Andrew Swanton covers the flight of refugees into the ...

• TLF-IDM018490

Is it better for Australia to import or export goods and services? Find out the top countries Australia trades with and the types of things that are typically imported and exported. How is Australia's foreign debt linked to importing goods and services?

• TLF-IDM015406

What would you do if you found out that you were being sold inferior groceries, at higher prices, just because of the colour of your skin? Harlem resident Cora Walker explains that this was the situation faced by members of Harlem's African American community in the late 1960s. See how the residents joined together to address ...

• TLF-IDM015575

Imagine being asked to speak on behalf of your culture. Explore and compare some of the attitudes of and about Aboriginal and Torres Strait Islander peoples in 1967. In the national referendum of that year, 90 per cent of Australian voters agreed that the affairs of Aboriginal and Torres Strait Islander peoples should be ...