Jul 17, 2014 · 29m
The Catalyst team look at what YouTube can teach us about meteors and how far can sea levels rise? Also how to stay as safe as possible in a house fire.


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.
Browse every episode and jump into details.
Jul 17, 2014 · 29m
The Catalyst team look at what YouTube can teach us about meteors and how far can sea levels rise? Also how to stay as safe as possible in a house fire.
Jul 24, 2014 · 30m
Tattoos: They are on trend but how easy are they to remove? Moon Mining: Scientists look at ways to mine the moon. Muscle fibre Fishing Line: How fishing line, a hairdryer and an electric drill make artificial muscle fibres.
Jul 31, 2014 · 30m
Could omega 3 supplements reduce aggressive behaviour of inmates?; Antarctica Sea Ice: The sleeping giant of climate change; Dog Optimism: How does your dog view the world? Is it an optimist or pessimist?
Aug 7, 2014 · 30m
Three years after the Fukushima nuclear disaster we explore the hidden impact of radioactive sediments and why do some trauma patients appear to recover from injury but just a few days later develop multiple organ failure?
Aug 14, 2014 · 30m
In the first of a two-part special, reporter Dr. Graham Phillips investigates whether what we feed the bacteria deep inside our gut could be contributing to a whole litany of diseases.
Aug 21, 2014 · 30m
In this two-part Gut Reaction special, reporter Dr. Graham Phillips investigates whether the Western diet could be contributing to a whole litany of diseases by causing an imbalance in the bacteria deep inside our gut.
Aug 28, 2014 · 30m
Inside Australia's long lost World War 1 submarine, the AE2, we reveal her hidden secrets and investigate what scientists are doing to protect her from the ravages of time.
Sep 4, 2014 · 30m
Catalyst investigates two ground breaking treatment procedures for epilepsy; We meet the man who discovered dark energy - Nobel Prize winner Professor Brian Schmidt.
Sep 11, 2014 · 30m
Dr. Jane Goodall entered the forests of Tanzania as a girl with a dream. Twenty years later she left a woman with a mission; Can science help the dead speak? We 'unwrap' a mummy to unveil secrets hidden for thousands of years.
Nov 18, 2014 · 30m
Dr. Graham Phillips delves into the latest research on testosterone, from the womb to old age, it moulds the male body & mind. It is also a hormone of good health during the life of both men & women.
Sep 25, 2014 · 30m
Catalyst investigates how modern agriculture methods, increasing diseases and the impending threat of the deadly varroa mite could destroy the last safe-haven for bees on the planet.
Oct 2, 2014 · 30m
Ground breaking Japanese research reveals clues about future hazards for tsunami-prone countries. How playing outdoors can improve children's health and could the bacteria in our stomach ulcers help cure allergies.
Oct 9, 2014 · 30m
Friendship: From before we can even speak, we seek the companionship of others. But why is this drive so powerful? And how come out of all the people we meet in our lives, we fall in friendship with some and not others?
Oct 16, 2014 · 30m
Global Warming Pause: The big question in climate science - what happened to global warming? Virtual universe - reveals the life of the universe. Green alloys - 'reincarnating' CDs, pushbike and car parts.
Oct 23, 2014 · 30m
Tokyo flood prevention - How does a city of rivers defend itself in during flooding rain? Crying - are tears of joy different from tears of sorrow? Open plan office layout - how the open plan office can affect our health.
Oct 30, 2014 · 30m
What does it mean when the weather report says - winds will be up to 50kph... How much notice should we really take?; With planes and birds sharing our skies, how common are collisions and how can they be avoided.
Nov 6, 2014 · 30m
How Aircraft Electromagnetic Interference (AEI) affects our military aircraft; Detecting Tilapia; the cane toads of our waterways and what makes Lasers so dangerous?
Nov 13, 2014 · 30m
Catalyst investigates the science behind the low carb diet. What are the health benefits and are there any risks? Is it suitable for everyone?
Nov 20, 2014 · 30m
The Catalyst team look at how our genes can affect exercise performance; Come face to face with 120 metre tunnel borers Florence and Elizabeth; And reveal the good news for Coral trout on the Great Barrier Reef.
Nov 27, 2014 · 30m
Could abalone blood be the new treatment for cold sores and herpes?; The inspirational story of 350 year old mathematics problem and how it was solved; Tasmania's Great Poo Hunt - have foxes invaded the island state?
Dec 4, 2014 · 30m
With a soaring population how do we keep our cities liveable? And what will the city of tomorrow look like? Catalyst reporter Anja Taylor investigates some innovative ideas for Australia's future cities.
Dec 11, 2014 · 30m
Reporter Mark Horstman gives up some of his own blood to test specially coated stents that can mimic the blood vessel wall and Dr Jonica Newby is on a mission to find out what's been lurking in the back yard.
Quick answers about this season's release timeline and episode lineup.
Catalyst Season 15 premiered on July 17, 2014.
Catalyst Season 15 has 22 episodes.
The season opens with Season 15 Episode 1, "Meteors, Sea Level Rise, House Fires". It aired on July 17, 2014.
Go to Season 15 Episode 1