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RNZ: Our Changing World



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



 



SOFIA - a flying telescope with a unique view of space

Thu, 21 Sep 2017 21:06:00 +1200

NASA's SOFIA observatory is a 2.5m telescope mounted in the back of a plane. It observes the birth and death of stars and the supermassive black hole at the centre of our galaxy.


Media Files:
http://podcast.radionz.co.nz/ocw/ocw-20170921-2106-sofia_-_a_flying_telescope_with_a_unique_view_of_space-128.mp3




Bacteria versus virus at Queenstown Research Week

Thu, 14 Sep 2017 21:06:00 +1200

The arms race between the immune systems of bacteria and the viruses - bacteriophages - that attack them, was a feature of this year's Queenstown Research Week.


Media Files:
http://podcast.radionz.co.nz/ocw/ocw-20170914-2106-bacteria_versus_virus_at_queenstown_research_week-128.mp3




Bringing Kirk's tree daisy back to Wellington

Thu, 07 Sep 2017 21:06:00 +1200

Kohurangi, or Kirk's tree daisy, is rare in the Wellington region, but botanists are taking on the challenge of bringing it back to the city.


Media Files:
http://podcast.radionz.co.nz/ocw/ocw-20170907-2106-bringing_kirks_tree_daisy_back_to_wellington-128.mp3




The Science Of... Vitamin C

Sat, 26 Aug 2017 12:15:00 +1200

What is vitamin C and why do we need it? Which foods have the most vitamin C? Should we pop pills when we think we're getting a cold, or are we just producing expensive urine? And can vit C really cure cancer, or is it all hype? Alison Ballance and Simon Morton investigate.


Media Files:
http://podcast.radionz.co.nz/sciof/sciof-20170826-1215-the_science_of_vitamin_c-192.mp3