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Our Changing World

Dr Claire Concannon follows scientists into the bush, over rivers, back to their labs and many places in-between to cover the most fascinating research being done in Aotearoa New Zealand.

science

All Episodes

00:25:52

Our Changing World for 27 June 2019

Our Changing World ·

2019/06/27

NIWA is putting freshwater fish through their paces in a swimming test, and the story of indium, the chemical element that is the Queen of the touchscreen.

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00:11:10

Iodine - a vital trace element

Our Changing World ·

2019/06/23

A lack of iodine causes goitre, and seafood and iodised salt are good sources of this important trace element, says Prof Allan Blackman from AUT, in ep 38 of Elemental.

en

00:12:10

Indium - Queen of the touchscreen

Our Changing World ·

2019/06/20

Indium is a very soft metal, and as indium-tin-oxide it is an indispensable part of the swipeability of touchscreens, says Allan Blackman from AUT in ep 37 of Elemental.

en

00:45:20

Predator Free NZ - dream or reality?

Our Changing World ·

2019/06/20

A panel of five experts debate what it will take to turn the idea of a predator-free New Zealand by 2050 from a dream into a reality.

en

00:44:45

Our Changing World for 20 June 2019

Our Changing World ·

2019/06/20

A panel discussion on 'Predator Free New Zealand - dream or reality' with five experts in pest biology and large scale eradication porjects.

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00:11:05

Hydrogen - 'number 1 in the Universe'

Our Changing World ·

2019/06/16

Hydrogen is the first element on the periodic table. It is the oldest, lightest and most abundant element in the universe, but on earth it is usually found in compounds such as water, says AUT's Allan Blackman, in ep 36 of Elemental.

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00:07:14

Holmium - obscure, but an important surgical laser

Our Changing World ·

2019/06/13

Holmium has interesting magnetic properties and is an important part of precise surgical lasers known as the 'Swiss Army knife' of lasers, according to Prof Allan Backman from AUT, in ep 35 of Elemental.

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00:30:06

Our Changing World for 13 June 2019

Our Changing World ·

2019/06/13

Behind-the-scenes at Auckland Zoo with sick kākāpō, and the chemical element holmium.

en

00:13:52

Helium - rare on earth but universally abundant

Our Changing World ·

2019/06/09

Helium is the second most abundant element in the universe and possibly the most unreactive element on the periodic table, says Prof Allan Blackman from AUT, in ep 34 of Elemental.

en

00:06:46

Hafnium - helped land the first astronauts on the moon

Our Changing World ·

2019/06/06

Hafnium is named after Copenhagen and as it has a very high melting point it was used in the thruster nozzles of the Apollo Lunar modules, according to Elemental's Allan Blackman from AUT.

en

00:07:32

Tawaki bust penguin swimming records

Our Changing World ·

2019/06/06

Twice a year tawaki or Fiordland crested penguins make migrations of many thousands of kilometres to the south to feed at the Polar Front.

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00:10:08

Successful new seabird colony on Matiu Somes Island

Our Changing World ·

2019/06/06

Eight years ago volunteers began translocating fluttering shearwater chicks to Wellington's Matiu Somes Island to establish what is now a growing seabird colony.

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00:10:43

Rifleman to royal albatross - a bird atlas for NZ

Our Changing World ·

2019/06/06

The NZ bird atlas will be a 5-year project counting common & rare birds from the Kermadecs to the far south.

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00:32:01

Our Changing World for 6 June 2019

Our Changing World ·

2019/06/06

The NZ Bird Atlas is launched, a successful effort to create a new fluttering shearwater colony, Fiordland's tawaki penguins go for record-breaking long swims, and the chemical element gallium.

en

00:14:28

Gold - a most desirable noble metal

Our Changing World ·

2019/06/02

Gold is highly valued for its colour as well as for being malleable and ductile, and as a noble metal it is unreactive and doesn't rust, says Allan Blackman from AUT in ep 32 of Elemental.

en

00:07:29

Germanium - important in the first transistors

Our Changing World ·

2019/05/30

Germanium is a metalloid that was a key element in early transistors and is now used in optical fibres and infrared night vision scopes, says Allan Blackman from AUT in ep 31 of Elemental.

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00:15:30

The streams beneath the streets

Our Changing World ·

2019/05/30

New research shows Wellington's underground streams are important homes and highways for freshwater fish.

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00:30:18

Our Changing World for 30 May 2019

Our Changing World ·

2019/05/30

Many of Wellington's streams now run in pipes under the roads, and the aspergillosis crisis in the kakapo population grows.

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00:07:19

Gallium - mysterious case of the disappearing spoon

Our Changing World ·

2019/05/28

Gallium is the second element named after France, is a key element in mobile phones & Blu-ray players & melts at body temperature, says Prof Allan Blackman in ep 30 of Elemental.

en

00:08:51

Gadolinium - plays a key role in MRI scans

Our Changing World ·

2019/05/26

Gadolinium has interesting magnetic properties and is used as a contrast agent in MRI scans, according to AUT's Prof Allan Blackman in ep 29 of Elemental.

en

1,092 results

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