Science

By Kate Evans: Humans have been puzzling over the mysteries of animal migration and navigation for centuries. Audio

The eruption of Tonga's Hunga Tonga-Hunga Ha'apai early last year chewed up about 5-percent of ozone over the tropical south-western Pacific and Indian Ocean.

The volcanic plume, which reached… Audio

In the ever-shifting streams and channels of a braided river, creatures must adapt to change. Claire Concannon joins a researcher on the spectacular Cass River near Tekapo for a spot of electrofishing… Video, Audio

In braided rivers, shifting gravel and weaving water channels make for a complex and dynamic environment. But it's a habitat some species have adapted to – native fish like kōaro, and unique birds… Audio

Each year, a New Zealand social enterprise runs a space research incubator to help explore space-related technologies for climate change. Kadambari Raghukumar talks to the founders of Spacebase. Audio

Yesterday we looked at the issue of university cuts - and how Victoria and Otago universities are working together to save their language courses. Today, we're looking at a change proposal out of… Audio

Giant penguins weighing up to 150 kilograms once roamed the waters around New Zealand. Claire Concannon speaks to a palaeontologist and learns about penguin evolution, extinct species that dwarfed… Audio

How did penguins go from flying in the air, to 'flying' underwater? Claire Concannon speaks to a palaeontologist to learn about penguin evolution across 62 million years and the extinct giant penguin… Audio

Using old e-scooter batteries and artificial intelligence, a Christchurch-based charity and company is developing technology to target possums, stoats, rats and other pests. Shaun Ryan is the managing… Audio

Once upon a time, back in the halcyon days of the late-90s, breakfast cereal companies used to give out free copies of video games in their cereal boxes.

Now, more than 20 years on, that game is… Audio

Scientists have worked out how brain cells die in Alzheimer's disease, but there's caution over starting the celebrations just yet. Audio

What happens to our muscles as we age? Claire Concannon finds out why muscles get weaker as we get older, and speaks with a researcher investigating why Olympic athletes live up to three years longer… Audio

Cerebral palsy is the most common cause of physical disability in children in Aotearoa. We meet a scientist researching how muscle symptoms progress in children with cerebral palsy, hoping to find… Audio