Rnz: Our Changing World

An ecologist and a mathematician discover that teaching a computer to recognise bird calls from acoustic recorders is an interesting challenge.

An ecologist and a mathematician are collaborating on open source software called AviaNZ that will allow a computer to identify bird calls.

Three seismologists from GeoNet reflect on the decade of big earthquakes that began 10 years ago with the Darfield earthquake in Canterbury.

Ten years after the Darfield earthquake, three seismologists from GeoNet reflect on a decade of big earthquakes and what we've learnt from them.

A time-travelling climate scientist is using dead corals to investigate past marine climates in the Pacific.

Dead corals cast up the shore of Aitutaki, in the Cook Islands, provide a window into the Pacific Ocean's marine climate hundreds of years ago.

Scientists at the Centre for Green Chemical Science at the University of Aukalnd, are developing cleaner greener processes and products.

From safer solvents to make better batteries, to catalysts that can clean up wastewater, green chemists are developing better ways of making stuff.

The sensory lab at AUT is used for food testing and tests can involve all the senses, including sound.

Food scientist Nazimah Hamid from AUT says that the sound of the space we eat in can have surprising effects on the taste of food.

A panel of virologists from the University of Otago discuss research into covid-19.

'Covid-19 unmasked: understanding the outbreak' is a panel discussion from the 2020 New Zealand International Science Festival.

Emma Carroll talks about the return of southern right whales from the edge of extinction and a project asking the public to report whale sightings.

In search of southern right whales and digitising old weather records to predict future climate.

Take some old weather records. Add citizen scientists. Mix in machine learning. Result = something that might help predict future weather patterns.

Tiny plants that live on the underside of sea ice form an upside-down garden that feeds krill and is the base of the Antarctic food web.

Researchers are using hot water to drill through the Ross ice shelf, to discover what has happened to Antarctic ice during previous periods of warm climates.

Alison Ballance eavesdrops on the songs of the world's southern-most mammal, the Weddell seal, and finds out about sea ice.

A team finding links between melting ice sheets in Antarctica and rising sea levels in NZ has won the 2019 Prime Minister's Science Prize.