Catalyst returns with a brand new series of one hour specials exploring the latest science on diverse topics from human health and medical breakthroughs to astronomy and technology. #ABCcatalyst

Catalyst - It's A Twin Thing

For the past 35 years twins have been some of the most carefully studied people in Australia. Revealing the secrets of this extraordinary group of people may just help us all live a longer, healthier life.

Catalyst - Gut Revolution (Part 3) Victoria's Story

Nutrition Scientist Dr Joanna McMillan takes on her most challenging case as she battles to help Victoria recover from debilitating anxiety & gut pains, using emerging science showing links between gut bacteria & the brain.

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