Antibiotics have saved millions of lives, but their overuse is making them less effective as bacteria develop resistance. Can researchers outwit these clever bacteria &amp; find novel ways to beat resistance?

Antibiotic Resistance

Short Sightedness In Children, Saving A Furry Friend

Blind Leading the Blind, Bionic Bra

Dr. Jonica Newby investigates home batteries - how they work, why you will want one, how they will change the way we consume electricity & what they mean for the future of the world's power generation.

Batteries 24 Hour Renewable Power

It turns out oxytocin is responsible for a lot more than just love. Dr. Graham Phillips discovers oxytocin's great potential to treat social disorders, like drug addiction and alcoholism.

Oxytocin, Crown of Thorns Starfish

Wi-Fi blankets our homes, schools & cities. Dr. Maryanne Demasi takes a closer look at the link between mobile phones & brain cancer & explores whether our wireless devices could be putting our health at risk.

Wi-Fried?

Prof. Vanessa Hayes is searching for the origins of modern society, revealing the bedrock of human genetic diversity. Her work exposes some startling truths about racial inequality in modern medicine.

Out of Africa

Dr. Graham Phillips sits down with physicists Dr. Katie Mack & Professor Lawrence Krauss to review Hollywood's treatment of science. And is the level of mercury in the fish we're eating safe for our health?

Science of Sci-Fi Films, Mercury Hotspots

Could the soundtrack of your life bring back fading memories? Catalyst takes you inside an extraordinary new program, revealing how personalised playlists can re-awaken the brains of people with dementia.

Music on the Brain

We look into marine life in Australia, to find out what plastics escape our household drains &amp; what kind of damage they can do. And the geology of north-western Tasmania reveals similarities to Antarctica.

Micro-Plastics, Tassie's Secrets

This week we investigate recent advances in science and medical engineering that are transforming our understanding of chronic back pain & opening the door to new treatments.

If Pain Persists

A new kind of telescope will allow us to observe a whole host of astronomical phenomena, like gravitational waves. Plus how protective is safety motorcycle gear anyway? Mark Horstman lays his body on the line.

Motorcycle Clothes, Gravitational Waves

New research reveals that Lavender can help bees make new memories & even change their DNA. Could it do the same for humans? Plus, climate change is affecting the 1000 year old World Heritage forests in Tasmania.

Lavender and the Honey Bee, Tassie Fires

Researchers are getting a clearer picture on the way the brain turns sounds into images, redefining our understanding of vision. Plus, the "Bionic Bra" - providing the right amount of breast support as needed.

We look into the rise of myopia & how scientists are finding a way to turn the tide on the epidemic. Plus meet Australia's first koala scat detection dog that's helping koala conservation researchers.

By the time you hit mid life, odds are you or someone close to you will be touched by cancer. In this half-hour special, Dr Jonica Newby investigates a medicine that will double your chance of survival – Its exercise, but not as we know it.

Exercise and Cancer

Dr. Jordan Nguyen is a biomedical engineer. Riley Saban is a 13-year-old kid with cerebral palsy. Together they develop extraordinary, cutting edge technology that gives young Riley superhuman powers.

Becoming Superhuman (Part 1)

Biomedical engineer Dr. Jordan Nguyen & 13-year-old Riley aren't content developing cutting edge technology to give Riley superhuman powers. In Part 2 they want to push the boundaries to see if Riley can drive a car.

Becoming Superhuman (Part 2)

Dr. Graham Phillips embarks on an 8 week meditation course to find out if the ancient art lives up to the current hype. New research shows that it can affect the body &amp; the mind &amp; even alter the structure of the brain.

Meditation: Can It Really Change You?

Could bottles, salvaged from a 220 year old Tasmanian ship wreck, contain the remnants of the world's oldest beer? Plus 'unboiling an egg' technology leads to new discoveries in renewable energy.

Oldest Aussie Beer, Unboiling An Egg

Lab experiments show it's now possible to fight the four major diseases of old age. Anja Taylor investigates one of these methods achieving extraordinary results. Could this be the key to a long & healthy life?

Live Long Die Young

Researchers may have found a way to prevent the stress induced spread of cancer cells. Guest reporter, oncologist Dr Ranjana Srivastava investigates. Plus we reveal Pluto's secrets with mind boggling pictures.

Stress and Cancer, Secrets of Pluto

Do Australian ticks pose a greater health risk than we thought? For the first time, microbes inside native Aussie ticks are being probed, leading to new discoveries which may reveal the causes of unexplained illnesses.

Toxic Ticks

The natural world tells unseen stories through sound. Catalyst discovers what we can learn from listening to nature. Plus we go to Australia's tracking station Tidbinbilla to witness Juno going into orbit around Jupiter.

Soundscape, Juno's Mission

How are storms changing as the world warms? Plus can orang-utans teach us a thing or two about computer games?

Gaming with Orang-utans, Stormageddon

Could our food be making us sick - very sick? In the first of a two-part special, Dr Graham Phillips reveals research about the interplay between food and the bacteria deep within our guts.

Gut Reaction (Part 1)

The final part of a Catalyst investigation into whether food could actually be our medicine. A healthy diet could be even more important than previously thought because food affects the bacteria deep inside our guts.

Gut Reaction (Part 2)

GP &amp; guest reporter Dr. Zeeshan Arain looks at artificial sweeteners and how they may impact our health. Plus an Australian paleontologist goes on a US expedition searching for dinosaur fossils in Antarctica.

Artificial Sweeteners, Antarctica Fossils

Catalyst looks at the game-changing new Australian device that aims to help the paralysed walk again. Plus virtual reality takes scientists and patients on a unique interactive journey inside the human body.

Stentrode, Fantastic Journey

Can lifestyle choices delay or even prevent Alzheimer's disease? From what we eat to how much we move &amp; sleep, scientists are suggesting that the power to push back the disease is largely in our hands.

Alzheimer's - Can We Prevent It?

Graham Phillips goes into the desert on a meteorite hunt to investigate the question: is there life on Mars? Plus the powerful gene-editing technique CRISPR that is transforming the field of genetics.

Gene Editing, Is There Life On Mars?

We all like to think our dogs are really happy with us, but how can we be sure? New research suggests most of us can't even tell. Are our dogs really happy &amp; can we use science to make them happier?

Making Dogs Happy (Part 1)

In Part 2 of Making Dogs Happy, discover new science-based ways of communicating with dogs, how to better read what they are saying, how our own personalities impact their happiness &amp; new technology to help make pets happier.

Making Dogs Happy (Part 2)

Smell is our most ancient, but also our most underestimated sense. In this episode Anja Taylor investigates the hidden powers of smell &amp; how smell influences many aspects of our lives in ways we often overlook.

Smell: Our Most Underestimated Sense

Catalyst goes behind the scenes at the NGV to see how scientists are revealing concealed gems with stunning clarity. Plus we revisit what genomicist Professor Vanessa Hayes discovered about the origins of modern society.

Hidden Secrets Of Art, Out Of Africa

Catalyst investigates how cutting edge forensics together with developments in DNA testing are working towards putting a face to the nameless. Plus the massive megastructure puzzling astrophysicists - could it be alien-built?

Forensic Future, Alien Megastructure

In this confronting special, Catalyst explores the lethal threat of coral bleaching to the Great Barrier Reef, and the challenges we all face to protect this global treasure.

Coral Bleaching

South East Asia's Plain of Jars is an archaeological enigma. Who carved these megalithic stone jars &amp; what were they used for? Plus, Space is being invaded by a new breed of cheap satellites, smaller than a loaf of bread.

Plain Of Jars, Tiny Satellites

Dr. Graham Phillips investigates how testosterone affects our abilities, behaviour &amp; health, in both men and women. Plus Dr. Jane Goodall &amp; her work as a World-renowned primatologist, conservationist &amp; activist.

Testosterone, Dr. Jane Goodall

Anecdotal evidence is building that cannabis has a positive effect on a long list of medical conditions from epilepsy, cancer, even Alzheimer's Disease. By applying scientific rigour can researchers uncover clinical evidence?

Medicinal Cannabis

Dr. Jonica Newby meets Dr. Sheryl van Nunen, the clinician who discovered the link between tick bites &amp; meat allergies. Plus we revisit a story on one of Australia's most charismatic &amp; endangered birds - the swift parrot.

Tick Bites, Swift Parrot

Scientists claim that the Earth has shifted out of the Holocene state &amp; into a new geological epoch. We look at how the last 60 years has transformed the human race into a geological force to rival nature.

The Anthropocene

Catalyst is Australia's premier science  investigation series. Each week the team brings you stories from  Australia and around the world, meeting scientists at the forefront of  discovery.

Antibiotic Resistance

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Season 17 Episodes40

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