Conversations ABC listen

Dr Margaret Moore is fascinated by our most mysterious organ - the brain. By looking at stroke survivors, she is trying to understand how brains work, how they don't, and how they predict the world around them

Nick Cave has lived through addiction, love and unthinkable loss. His experiences have changed how he understands hope, heartbreak and optimism (R)

Keri Kitay with the story of her devoted, outgoing mum Terry, who was diagnosed with early-onset Alzheimer's disease at 54 years old

How headmistress Manisha Gazula radically (and controversially) transformed the literacy, and life, outcomes for her students at Marsden Road Public School

Writer Colum McCann with the story of Diane Foley, whose son James was murdered by the Islamic State (CW: this episode contains descriptions of violent acts and terrorism)

For 100 years Australia has been collecting tens and thousands of letters and diaries from deployed service personnel. These are just some of the moving, beautiful and tragic stories among them