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Catalyst · Season 22

All Episodes

11 episodes · (Complete)

S22E01: Are We Killing Our Koalas?

Feb 16, 2021 56 min

The koala is a national icon on the path to extinction. Professor Tim Flannery investigates the story behind the headlines, meeting researchers working to understand the threats koalas face, and how we can avoid them.

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S22E02: Mars: Our Second Home?

Feb 23, 2021 59 min

In the first of a two-part special, astrophysicist Professor Tamara Davis and astronomer Greg Quicke meet the Australian scientists on a mission to solve the many challenges of putting people on the red planet.

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S22E05: Cancer: A Story of Hope

Jul 20, 2021 62 min

It's a diagnosis we all dread but with advances in technology and medicine, more people are living better and longer with cancer. We follow patients experiencing this new kind of care - their stories are filled with hope.

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S22E06: The Truth About Fasting

Jul 27, 2021 58 min

Intermittent fasting is growing in popularity, and aside from weight loss, there are claims it can improve our health. Dietician Dr Joanna McMillan tracks 5 people fasting to understand the benefits and impacts on our bodies.

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S22E07: The Wildlife Revolution

Aug 3, 2021 61 min

Australia is home to over a million species of plants and animals, but we're losing them at an alarming rate. In this race against time, Dr Ann Jones explores how technology can help protect our wildlife in bold new ways.

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S22E08: The Grid: Powering the Future

Aug 10, 2021 60 min

Dr Niraj Lal meets the Australians leading the biggest change to the electricity grid in a century: the rise of renewable energy. Along the way he explores new technologies keeping the power on now and in the future.

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S22E10: Doctor at the Door: The Kulkarnis

Aug 24, 2021 56 min

How much could a doctor change your life if they saw how you lived? In this two-part series GP Dr Preeya Alexander leaves her surgery and meets two families in their homes. Over 8 weeks she reshapes their lives - not with medication but with lifestyle medicine, tackling chronic pain and anxiety.

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