Dr David Sinclair is a longevity expert who believes ageing is a treatable disease (R) 

Kate Cole-Adams has discovered what happens to us while we dwell in the chemical oblivion of general anaesthetic (R)

Chadden Hunter was in his twenties when he found himself sitting around a campfire in the Ethiopian highlands, talking about his PhD thesis with Sir David Attenborough. The meeting changed his life 

When Bronwyn Sheehan's daughter befriended a little girl in year four, her eyes were opened up to the realities of life for children in care, and their carers

From the 1944 wartime referendum, to the 1999 vote on whether to become a republic, referenda always tell us things about Australia that aren't revealed in a normal federal election

Broadcaster Peter Goers was in his twenties when his parents died suddenly, in a plane crash outside New Orleans. Decades later, he's beginning to make sense of the loss

Writer Susan Johnson began an unexpected adventure when she moved to the Greek island of Kythera with her 85-year old mother Barbara (R)

When Kim Crotty was locked up in Dartmoor prison for growing marijuana, his two young sons were bereft. After he began writing bedtime stories for his boys from his cell, a new chapter opened up for him after he was released from jail (R)

After a serious brain operation, Anne Howell woke up in hospital with retrograde amnesia, thinking she was nine years old. With no real understanding of who she was or who she could trust, she set about rediscovering her identity (R)

The Tongan-Australian man on being privileged to see love in action in his grandparents, how a spiral into grief and anger led him to periodic detention, and how cutting hair today helps him steer young men away from a dark path (R)