Caves
The key role morning light plays in our health
A lack of sunshine means your immune system doesn't work as well, and your defence mechanisms suffer similarly. Professor Steve Jones explains the role light plays in our health, and why we need to go… Audio
Caves reveal past climate change
Caves are a subterranean library of past climate change records, captured as water dripping from above creates flowstones and stalactites. Audio
Our Changing World for 28 March 2019
Caves hold a record of past climate change captured in flow stones, and the synthetic heavyweight elements at the bottom of the periodic table have only ever existed fleetingly. Audio
Auckland's subterranean lava caves
Underneath the Auckland CBD lie miles of jagged caves, hollowed out by ancient streams of lava. Designer and artist Chirag Jindal joins us to explain how he turned images of those caves into an art… Audio, Gallery
Thai diver dies after delivering oxygen to boys trapped in cave
A former Thai Navy seal has died from a lack of oxygen exiting the Tham Luang cave where 12 boys and their coach are trapped. CNN correspondent David McKenzie tells John Campbell the death shows just… Video, Audio
12 Boys and their soccer coach found alive in Thailand caves
British Navy divers found the team more than two kilometres underground nearly 10 days after they went missing. Video, Audio
Thailand cave rescue difficult in rain
The search for twelve missing boys and their football coach in a cave complex in Northern Thailand has been suspended again due to rain. They've been missing for five days and now American and British… Audio
Exploring Auckland's underbelly
Speleologist Peter Crossley joins Kathryn Ryan to talk about Auckland's extensive network of lava caves which he's spent five decades of his life documenting. Audio, Gallery
Waitomo Caves shut down for high carbon dioxide levels
Potential damage to the Waitomo Caves is very high according to the chair of the cave's environmental advisory group, who is asking the Government to step in. Video, Audio
Cliffs cave in as animals go mad during quake
Richard Rutherford is a farmer in Parnassus, south of Kaikoura. His house was extensively damaged and the cliffs nearby have all caved in. Video, Audio
Francesco Sauro - cave explorer
Francesco Sauro specialises in studying the geology of caves and is one of the world's foremost cave explorers. The crowning achievement of his career so far is the discovery of the world's oldest… Audio
The largest cave in the world - Ryan Deboodt
It's the largest cave in the world, and one photographer has used drones to capture it both by ground and air. To date, the footage has been viewed nearly 900,000 times online. The cave is called Hang… Audio
C is for Caves
Kieran McKay: A veteran cave explorer whose team discovered New Zealand's deepest cave system in the Kahurangi National Park last year.
Hamish Campbell: A GNS Science geologist explains why New… Audio
Rock Art in Canterbury
South Canterbury and North Otago are home to limestone outcrops covered in Maori rock art. Audio