RNZ: Our Changing World

RNZ: Our Changing World

Getting out in the field and the lab to bring you New Zealand stories about science, nature and the environment.... Show More

Episodes

Prof Jane Harding has won New Zealand's top science award, the Rutherford Medal, for ground-breaking research that has improved the lives of countless babies and mothers.

Share
Mark as Played

Dr Ocean Mercier's work bridging the worlds of science and traditional Māori knowledge has been recognised with the 2019 Callaghan Medal for science communication.

Share
Mark as Played
October 17, 2019 14 min

Dr Lisa Te Morenga has won the 2019 Hamilton Award for her internationally significant research on sugar and its impacts on health.

Share
Mark as Played
October 17, 2019 42 min

New Zealand's 2019 Research Honours winners include Lisa Te Morenga for her work on sugar, Ocean Mercier for science communication and Rutherford Medal winner Jane Harding for work with babies & mothers.

Share
Mark as Played

Predicted by Mendeleev & useful for alloying with aluminium, scandium was involved in a famous cricket scandal, says AUT's Allan Blackman in ep 73 of Elemental.

Share
Mark as Played

Samarium magnets are used in headphones & guitar pickups, and samarium was the first element named after a real person, says Prof Allan Blackman from AUT in ep 72 of Elemental.

Share
Mark as Played
October 10, 2019 8 min

Ruthenium is a 'sort of' precious metal that is a useful catalyst and alloy. It is toxic and smells like ozone, says Allan Blackman from AUT in ep 71 of Elemental.

Share
Mark as Played

University of Otago psychology professor Ted Ruffman says ageing brains means older men become less able to recognise emotions in other people.

Share
Mark as Played
October 10, 2019 23 min

A psychology professor talks about men getting older & why they become less able to recognise other's emotions, and the element rubidium.

Share
Mark as Played

Rubidium is a reactive metal with few uses, named 'deepest red' due to its beautiful red spectral lines, says Allan Blackman from AUT in ep 70 of Elemental.

Share
Mark as Played

Rhodium is an expensive precious metal that is used in catalytic convertors, to make the Parkinson's drug L-DOPA, create shiny jewellery and add the menthol taste to toothpaste, says Allan Blackman from AUT in ep 69 of Elemental.

Share
Mark as Played
October 3, 2019 19 min

From cutting-edge genetic treatments to computer-brain interfaces that are still in the realm of science fiction, Silicon Valley is on a quest to let us live forever.

Share
Mark as Played
October 3, 2019 28 min

Peter Griffin investigates the ethics and possibilities around achieving immortality, and Allan Blackman looks at the chemical element radium.

Share
Mark as Played

Named after the Rhine river, rhenium is a metal with very high boiling and melting points, and it was the last naturally occuring, non-radioactive element to be discovered, says Prof Allan Blackman in ep 68 of Elemental.

Share
Mark as Played
September 29, 2019 9 min

The radioactive gas radon can be a risk in the basements of stone houses and used to, erroneously, be touted for its health benefits, says Prof Allan Blackman from AUT in ep 67 of Elemental.

Share
Mark as Played
September 26, 2019 10 min

Radium was famously found by the Curies, and was once widely used in face creams, drinks and luminous watch dials, despite being highly radioactive, says Allan Blackman in ep 66 of Elemental.

Share
Mark as Played
September 26, 2019 31 min

As the world considers taking more action to combat climate change we revisit Antarctica with the Voice of the Iceberg podcast & hear about protactinium.

Share
Mark as Played

Protactinium is a rare, radioactive element that has no uses and may be the most boring element, says Prof Allan Blackman from AUT in ep 65 of Elemental.

Share
Mark as Played
September 19, 2019 11 min

Despite its gruesome mythical name, the radioactive element promethium has no particular claim to fame, says Prof Allan Blackman from AUT in ep 64 of Elemental.

Share
Mark as Played
September 19, 2019 25 min

The 20-metre long wind tunnel at the University of Auckland is used to test the aerodynamics of objects as varied as Olympic cyclists and buildings, as well as drones, ancient building designs & tiny gas turbines.

Share
Mark as Played

Chat About RNZ: Our Changing World

Popular Podcasts

The Daily
The Daily
This moment demands an explanation. This show is on a mission to find it.
The Ron Burgundy Podcast
The Ron Burgundy Podcast
Will Ferrell reprises his role as Ron Burgundy in his brand new Ron Burgundy Podcast! Each episode has a different theme in which Ron engages in conversation with another notable person on the topic at hand.
Stuff You Should Know
Stuff You Should Know
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks then look no further. Josh and Chuck have you covered.