Catalyst

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ABC reports we are in a race against time to protect what’s left of Australia's biodiversity.
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Catalyst tracks 5 Australians fasting on either the 5:2 or the 16:8 diet.
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ABC explores the progress made in Cancer care and research.
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How venom from Australia's venomous species can kill you - but may also help save your life.
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Professor Tamara Davis & astronomer Greg Quicke explore a question we’ve longed to answer – is there life on Mars?
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Ratings: Nine juggernaut nudges the magic million, as it doubles its rivals.
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Australian scientists are on a mission to solve the many challenges of putting people on the red planet.