Cities are one of our greatest inventions, they bring us together and drive wealth, but as more of us flock to live and work in them, we need to find ways to make them greener, more sustainable and efficient places to live. Physicist Dr Niraj Lal explores some of the engineering solutions driving change. To see how we’ll keep our growing population moving he visits the construction site of the largest public transport system ever undertaken in Australia and discovers how engineers are finding ways to replace concrete - one of the biggest CO2 emitters in the world - with greener alternatives.
Astrophysicist Professor Tamara Davis explores the impact asteroids have had on our planet and discovers that they may hold the key to one of the greatest scientific mysteries of all - how life began. In the Northern Territory, Tamara sees firsthand the destructive power of an asteroid - the gaping 25km wide Tnorala crater. Keeping an eye on current threats are teams at the Siding Spring Observatory, where Tamara observes one of the thousands of potentially hazardous asteroids rocketing through space. Tamara uncovers the story of Victoria's Murchison meteorite, which contains complex organic compounds that scientists are experimenting with in New Zealand, to determine if a meteorite could have kickstarted life on earth.
This program sets up a pop-up dental clinic in Western Sydney to investigate Australia's most common dental complaints, uncovering the tips to keep your mouth healthy and revealing surprising secrets behind a beautiful smile.
In this special Catalyst series, chef Paul West, dietician Professor Clare Collins and chemist Noby Leong reveal the delicious chemistry, biology and physics hidden inside the foods we all love, so we can cook better and eat healthier. In part 2, Paul explores the science behind cryogenic freezing and how it's being used to ensure frozen fish tastes as good as fresh. In a gelato factory, Clare gets the scoop on why humans are hardwired to desire junk food.
In this special Catalyst series, chef Paul West, dietician Clare Collins and chemist Noby Leong reveal the delicious chemistry, biology and physics hidden inside the foods we all love, so we can cook better and eat healthier. Paul learns that the nation's most popular fruit, the Cavendish banana, is under threat of extinction, but discovers that a new disease resistant variety is being cultivated in a field in Far North Queensland. Clare finds out how the traditional craft of fruit preservation is supersized in the production of canned baked beans, and Noby delves into the science of cooking the perfect medium rare steak. Paul also uncovers how the power of gluten is harnessed in slow fermentation sourdough bread - and gets to taste a very special bread made from native Australian grasses.
Investigative journalist Ruby Jones meets some of the 2.5 million Australians for whom body image concerns have become a serious mental health issue. Ruby discovers that far from vanity these disorders are crippling people’s lives, and meets scientists at the forefront of research into what causes them and how to treat them.
This documentary reveals the extraordinary work of the Australian Craniofacial Unit in Adelaide. Catalyst was given unprecedented access behind the scenes to look at what lies beneath the face, and the surgeons trusted to make it whole again.
Lily Serna finds out how maths can help us all become smarter with the risks we take in life. And, she discovers that far from taking too many risks, many of us are playing it too safe.
Dr Sarah McKay uncovers the revolutionary science that promises to keep your brain healthy into old age - and uncovers the drugs that hope to defeat many of the diseases of ageing.
Recently retired ABC newsreader Ian Henderson sets out on a quest to find the secrets of ageing healthily. He discovers that a new understanding of how the trillions of cells in our bodies age could keep us all younger for longer. He meets Australian scientists working at the cutting edge of ageing biology and learns that their research isn’t just about making us live longer, but also about keeping us healthier into old age - improving our ‘healthspan’. They reveal that we can all improve our healthspan by making simple changes to the way we live our lives.
Tamara Davis meets the scientists on a quest to hunt down black holes. With humble beginnings in outback Australia, their journey has brought us to the cusp of an unprecedented milestone in human achievement - the very first picture of a black hole. What it might reveal could overturn the laws of physics.
This program brings together 15 ordinary Australians to take part in a revealing scientific experiment - to see if practicing mindfulness can help treat conditions like chronic pain, anxiety and stress that affect millions of us.
With Australia in the grip of an allergy epidemic, we set up a pop-up clinic to help understand why so many of us are suffering from these conditions - and to reveal the latest science about what we can do to treat and hopefully prevent them. Hosted by Shalin Naik and Caroline West with expert immunologists Dianne Campbell and Connie Katelaris.
Dr Nikki Stamp meets Australians whose lives are transformed by artificial body parts, and scientists whose cutting-edge work merging biology with technology reveal a world on the cusp of a bionic revolution.
In the season final, Dr Caroline West meets scientists working at the forefront of memory research, introducing remarkable individuals whose exceptional memories and unique abilities are helping unlock the secrets of memory.
Do you know how heavy Uluru is? From the ground up? Lily Serna thinks you do. In this Catalyst, Lily delves into the world of luck. From sharing birthdays to winning at blackjack; playing Aussie rules football to planning air sea rescues, Lily discovers that what can often seem like chance is in fact probability at play. Discover how the maths of luck can put the odds in your favour.
Nutritionist Dr Joanna McMillan is on a mission to help stem the onslaught of type 2 diabetes, devising a personalised program to help four Australians on the brink of developing the chronic illness.
Time travel is not forbidden by the laws of nature but to build a time machine, we need to understand more about those laws and how to subvert them. Dr Graham Phillips showcases the scientists working on the cutting edge of discovery - the men and women who may learn to build wormholes, manipulate entangled photons or send information back in time, by warping space-time.
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