Dr Merrick Ekins is Australia's leading expert in carnivorous sea sponges. Some sponges are secret killers, others are made up of glass and imprison tiny shrimp-like lovers for eternity, and others make love to themselves to reproduce

Killer sponges of the vasty deep

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When Bonnie Hancock stumbled on a book in her local library, she got a gut feeling that refused to go away. And so she set off on a gruelling 12,700km journey around Australia on her surf ski

When Bonnie just kept paddling

Cassandra Pybus exposes the secret trade of the skeletal remains of the first people of Tasmania. CW: This episode contains upsetting discussion about grave desecration and the trading of human remains

Uncovering Tasmania's gruesome past

Fungi have given us many gifts, from penicillin to food, but they can also be quite scary. Dr Alison Pouliot spends her time trying to explain these strange alien-like things, which do their most interesting work underground (R)

Fantastic and fascinating fungi

The Australian actor looks back at his riotous life on camera, from Newsfront to Muriel's Wedding

Chris Haywood's life in character

Hana Assafiri was a child bride in her teens when she fought her way free of her violent husband. Then she built a new life helping other marginalised women (CW: the conversation discusses physical and sexual violence against women)

Killer sponges of the vasty deep

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