Sea

James Moore is up to his knees in the waves at Cable Bay in Northland, a bucket in each hand. He's a small-scale salt farmer, with a plan to help others into salt farming. Audio

Have you ever thought about what a chiton can actually see? They are the hard shell mollusc that sticks to rocks, and looks a bit like an armoured slug. Well they aren't sightless. Marine scientist… Audio

Whetu Marama - Bright Star, a co-production by Toby Mills and Aileen O'Sullivan, follows Sir Hek's journey across the vast Pacific using star navigation and his significance for Maori in "rekindling… Audio, Gallery

The government has announced 18 new protected areas in the Hauraki Gulf Marine Park, along with limiting trawl fishing.Otago University Zoology Professor Emeritus Liz Slooten is very happy about the… Audio

Trawl fishing will be largely banned and 18 new protection areas created in the Hauraki Gulf under a proposal released by the Minister for Oceans and Fisheries, David Parker, this morning. The Hauraki… Audio

New Zealand author Jeff Evans' latest book, Reawakened: Traditional navigators of Te Moana-nui-a-Kiwa tells the stories of 10 master navigators who are leading figures in the renaissance of Pacific… Audio

Thirty years ago Catherine King and Wayne Adams started a project to build their dream home - a floating complex off the coast of western Canada which they have dubbed Freedom Cove. What they created… Audio

The Far Out Ocean Research Collective has been surveying for whales and dolphins in the seas off Northland. Audio

Two self-driving underwater robots are making surprising discoveries about where river water ends up at sea, far from land. Video, Audio

Frances Walsh's new book, Endless Sea focuses on the sea which encircles Aotearoa, and 100 objects from the collection of the New Zealand Maritime Museum, where she works as in-house writer. Audio

Sir John Kirwan is one of the faces of mental health awareness in this country, so it's fitting that we catch up with him on the eve of Mental Health Awareness Week. JK joins the show to share some of… Audio

Astronaut, oceanographer and adventurer Kathy Sullivan recently became the first person ever to have walked in space, and to have travelled to the deepest point of the world's oceans. She's just… Audio, Gallery

Dr. David Abulafia's new book The Boundless Sea: A Human History of the Oceans is global history of humankind told through our relationship with the world's oceans. He joins the show to discuss… Audio

It's estimated that on average 334 nationally vulnerable Hector's dolphins and two nationally critical Maui dolphins die from toxoplasmosis every year, due to cat faeces making its way into the water.

Sea trekking promises to combine the experience of swimming in the open ocean with snorkelling and freediving, along with a little bit of camping thrown in for good measure. The key bit of equipment… Audio, Gallery

This week marks the official 75th anniversary of the Royal New Zealand Navy, when naval vessels from around the world converge on Auckland's Waitamata harbour for a five day party. Lynn Freeman spoke… Audio, Gallery

In this 1909 symphony for orchestra, choir and soloists, the vast spaces between haze-shrouded vistas and unfathomable depths of the sea become a metaphor for eternity. Presented by Peter Mechen. Audio