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Our Changing World headlines with summaries.
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Tawaki bust penguin swimming records
6 Jun 2019Twice 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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Rifleman to royal albatross - a bird atlas for NZ
6 Jun 2019The NZ bird atlas will be a 5-year project counting common & rare birds from the Kermadecs to the far south.
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Gold - a most desirable noble metal
3 Jun 2019Gold 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.
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Germanium - important in the first transistors
31 May 2019Germanium 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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The streams beneath the streets
30 May 2019New research shows Wellington's underground streams are important homes and highways for freshwater fish.
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Kākāpō health concerns continue
29 May 2019The number of cases of aspergillosis in the kākāpō population continues to rise, with 30 birds on the mainland for testing & treatment. The deaths of Huhana and Merty drop the adult population to 142…
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Gallium - mysterious case of the disappearing spoon
29 May 2019Gallium 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.
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Gadolinium - plays a key role in MRI scans
27 May 2019Gadolinium 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.
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Francium - final naturally-occurring element to be discovered
24 May 2019Francium was the last naturally-occurring element to be discovered and has never been seen, says Prof Allan Blackman from AUT in ep 28 Elemental.
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The Southland accent - a rolling change
23 May 2019The Southland accent has a distinctive burr, and new research is revealing how those 'rolled Rs' have changed over time.
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Fluorine - the non-stick element
20 May 2019Fluorine is a highly toxic green gas that is the main ingredient in non-stick teflon coatings. In ep 27 of Elemental, Prof Allan Blackman from AUT, says that fluorine has very different properties…
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Europium - putting the security in the Euro
17 May 2019Europium is named after Europe and is responsible for a forgery-busting aspect of the Euro banknote, reports Prof Allan Blackman in ep 26 of Elemental.
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Foulden Maar - a 23-million year-old fossil treasure trove
16 May 2019A 23-year million year old volcanic crater in inland Otago that is a treasure trove of exquisiute fossils is facing the threat of being mined for animal feed.
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Worrying times for kākāpō
15 May 2019A spate of kākāpō chicks deaths from a fungal pneumonia caused by aspergillosis has DOC's Kākāpō Recovery Team very worried. Two further adult deaths bring the population to 144 birds with 73 living…
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Mystery of the longfin eel's breeding ground
NIWA freshwater ecologists hope sophisticated satellite tags will solve the msytery of where New Zealand's longfin eels go to breed in the Pacific.
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Erbium - through rose-tinted glasses
13 May 2019Erbium is named after a chemically famous Swedish village, and adds a rose-tinted glow to the periodic table, in ep 25 of Elemental with Allan Blackman from AUT.
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Dysprosium - hard to get
10 May 2019Dysprosium earned its name by being very hard to separate from other elements and has become very important in electric car motors. Join Allan Blackman from AUT in ep 24 of Elemental.
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Kea get a helping hand
9 May 2019The Kea Conservation Trust & the Arthur's Pass Wildlife Trust have combined forces to band kea as part of a citizen science project & are working to make the village a safer place for the curious…
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Curium & meitnerium - in honour of two pioneering women
8 May 2019There are only two chemical elements on the periodic table named after women: curium, in honour of Marie & Pierre Curie, & meitnerium after Lise Meitner. Allan Blackman from AUT introduces the women…
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Copper - essential, in moderation
Copper is a soft metal that is an essential element for enzymes and life, gives octopuses their blue blood and was often used to make coins. Allan Blackman from AUT has the lowdown on copper in ep 22…
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Cobalt - goblin of the periodic table
Famous as the colour of blue glass and important in red blood cells, cobalt can form a permanent magnet and is vital for livestock. Allan Blackman from AUT talks about his favourite element in ep 21…
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Laser scanning crime scenes
ESR is using a laser to scan crime scenes, allowing police and juries to 'fly through' the scene long after the event.
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The Kākāpō Files: Glad and sad kākāpō tidings
1 May 2019The death of Hoki from a fungal infection brings the number of adult kākāpō to 146, while there are 77 chicks. Ep 17 of the Kākāpō Files includes a visit to Anchor Island & all the latest news.
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Chromium - colourful and shiny
29 Apr 2019Chromium is a transition metal that gives colour to precious jewels, the shine to your car fender and your kitchen bench, but can also be a killer. All this and more in ep 20 of Elemental with Allan…
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