Catalyst

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.

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.

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?

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?

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.

In this two-part special, reporter Dr Graham Phillips investigates whether what we feed these bacteria could be contributing to a whole litany of diseases.

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.

Catalyst investigates two ground breaking treatment procedures for epilepsy; We meet the man who discovered dark energy - Nobel Prize winner Professor Brian Schmidt.

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.

Dr Graham Phillips delves into the latest research into testosterone, from the womb to old age, it not only moulds the male body and mind but is a hormone of good health during the life of a man. And it is true of women too.

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.

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.

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?

Global Warming Pause - From 1975 to 1998 the world saw a rapid rise of global average air surface temperatures, linked to increasing greenhouse gas emissions. Virtual Universe - Grab your popcorn and settle back to watch a movie about the Universe – this extraordinary super computer simulation called the Illustris, models a huge chunk of the universe: a cube 350 million light years across, and home to tens of thousands of galaxies. Green Alloys - What can be done about the mountains of waste products that can’t be recycled? A team from UNSW is ‘reforming’ products deemed unrecyclable.

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.

Wind - Unless your hobby or business is affected by the wind most people ignore windy weather warnings. Bird Strike - Most people’s fear of flying stems from thoughts like 'how does this massive craft stay in the sky'?

How Aircraft Electromagnetic Interference (AEI) affects our military aircraft; Detecting Tilapia; the cane toads of our waterways and what makes Lasers so dangerous?

Catalyst investigates the science behind the low carb diet. What are the health benefits and are there any risks? Is it suitable for everyone?

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.

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?

The media abounds with visions of gloomy, automated megacities or totally sustainable ecological utopias but how do these futuristic visions relate to the development of Australian cities over the next eighty years? With soaring populations, how will we keep our cities liveable?

There’s no doubt that cardiac implants or stents save lives.; A surprising number of native marsupials are mistaken for rats.; Three international experts and our very own Dr Graham Phillips taste test some popular beverages - the Gin & Tonic: how can you enhance the unique flavour of gin?