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• TLF-IDM015389

Dive through the marine kelp forests off Australia's western coast and discover how ocean waves help cycle nutrients to sustain the plants and kelp forests of marine ecosystems.

• TLF-IDM015379

Come on an eye-opening trip to Western Arnhem Land in northern Australia to find out how Aboriginal fire-control techniques are used to reduce greenhouse gas emissions by thousands of tonnes.On the trip you will also find out how exploding ping-pong balls are used to create low greenhouse gas firebreaks at the right time ...

• TLF-IDM015553

Will a medicine ball or a basketball hit the ground first when dropped at the same time from the same height? In this clip, Catalyst's Dr Derek Muller investigates what influences the speed at which objects fall. Derek challenges some people in a market to make a prediction and explain their thinking, before he finally ...

• TLF-IDM015882

Did you know that making a speech in public is rated as one of most people's greatest fears? There is however an art to making a great speech. Listen as Don Watson speech-writer for the former Prime minister Paul Keating, Michael Gurr playwright and speech-writer, and Ted Widmer foreign policy speech writer for former US ...

• TLF-IDM020269

It's cool to program robots to play football, but there are many more useful applications for programming robots to react to what they are seeing. What are some of the examples David McKinnon gives? Can you think of some more examples?

• TLF-IDM018781

Have you ever eaten hot chilli and wondered why your mouth feels like it's on fire? Watch this clip to find out all about the science of chillies, including what makes them hot, why they are hot and why they cause so much pain when we eat them.

• TLF-IDM017861

Listen to the voices of a small selection of students from around Australia to see if you can guess where they live. Is place the most important thing that shapes their language, or are there other factors that influence how people speak?

• TLF-IDM020950

In addition to being a writer, Alice Pung has experience as an editor. What was the advice her own editor gave her when she started editing other people's work? Alice believes that good editors ask writers good questions. How else can editors help writers? Next time a friend or classmate asks you to give them feedback on ...

• TLF-IDM017809

If you've ever tried to describe an experience to a friend and said, 'It was just like', you were using a simile. Similes and their close pals metaphors are figures of speech that writers of all sorts of texts use. As you listen to this Heywire audio story, explore Taylor Smith's use of them in his recount of a Saturday ...

• TLF-IDM018843

Do you know how glowsticks work? Watch this clip and discover the chemical reaction that takes place when you snap a glowstick and release the reactants. Find out about chemiluminescence in nature, when scientists first created glowing sticks and the chemical equation that describes the reaction. Can you guess which glowstick ...