Our Changing World

David Rotherham is working on DNA techniques to trace plants like cannabis back to their source Audio

The University of Auckland's Peter Metcalf is studying something quite mysterious, tiny infectious crystals Audio

Matt McGlone is looking at the number of native tree species in New Zealand compared with the rest of the world Audio

Dean Nelson takes Alison Ballance on a tour of the black stilt captive rearing facility near Twizel Audio

Alison Ballance talks with Antarctic veteran Gerald Kooyman about 30 years of research on Emperor penguins Audio

Jacqui MacCallum is developing techniques to detect internationally protected wildlife in imported traditional medicines Audio

A group of GNS Science geology summer school students take a tour of the JOIDES Resolution and collect a sediment core Audio

Chris Woolmore manages Project River Recovery and talks about a new project to trap predators at a black-fronted tern colony Audio

University of Auckland's Alistair Young images the heart of a healthy volunteer to test new software developed for MRI machines Audio

Young ESR forensic scientist Rachel Fleming is finding ways to age bodily stains such as blood or saliva. Audio

Using neutron beams and reflection to study how toxins such as bee venom and anthrax affect cell membranes. Audio

They are extinct in the UK, but thriving in New Zealand, and efforts are being made to breed them and take them back home. Audio