Tagged: Antarctica

What the world was like the last time carbon dioxide levels were at 400ppm - Climate: Explained

Guest Author Jul 08, 2020

Climate Explained is a collaboration between The Conversation, Stuff and the New Zealand Science Media Centre to answer your questions about climate change. If you have a question you’d like an expert to answer, please send it to climate.change@stuff.co.nz What was the climate and sea level like at times in Earth’s history when carbon dioxide in the … Read More

Anti-neutrinos–When you are your own opposite - Physics Stop

Marcus Wilson Nov 28, 2019

Around a million billion pass through you each second, almost all originating from our sun, but few of them are likely to interact with you enroute. I was reading in a physics magazine earlier in the week about the nature of neutrinos. These are extremely numerous elementary particles, but only interact very weakly with anything.  A typical neutrino will travel … Read More

Ice melt in Greenland and Antarctica predicted to bring more frequent extreme weather - Guest Work

Guest Author Feb 07, 2019

Nick Golledge, Victoria University of Wellington Last week, rivers froze over in Chicago when it got colder than at the North Pole. At the same time, temperatures hit 47℃ in Adelaide during the peak of a heatwave. Such extreme and unpredictable weather is likely to get worse as ice sheets at both poles continue to melt. Our … Read More

Returning to a sunken ship - News

Annika Bess Jan 09, 2019

In 1916, Frank Worsley navigated a lifeboat for 16 days through rough Antarctic waters with the almost impossible task of reaching help over 1000km away, then turned around, this time with a rescue team, to return to his fellow sailors who were still stranded. Frank Worsley. Supplied/Canterbury Museum 1981.110.91. Akaroa-born Worsley was the Captain of the Endurance during Sir … Read More

Explainer: What any country can and can’t do in Antarctica, in the name of science - Guest Work

Guest Author Nov 04, 2018

Julia Jabour, University of Tasmania Antarctica is owned by no one, but there are plenty of countries interested in this frozen island continent at the bottom of the Earth. While there are some regulations on who can do what there, scientific research has no definition in Antarctic law. So any research by a country conducted in or about … Read More

Antarctic seas host a surprising mix of lifeforms – and now we can map them - Guest Work

Guest Author Aug 06, 2018

Jan Jansen, University of Tasmania; Craig Johnson, University of Tasmania, and Nicole Hill, University of Tasmania What sort of life do you associate with Antarctica? Penguins? Seals? Whales? Actually, life in Antarctic waters is much broader than this, and surprisingly diverse. Hidden under the cover of sea-ice for most of the year, and … Read More

How an alien seaweed invasion spawned an Antarctic mystery - Guest Work

Guest Author Jul 17, 2018

Adele Morrison, Australian National University; Andy Hogg, Australian National University; Ceridwen Fraser, Australian National University, and Erik van Sebille, Utrecht University Two small pieces of seaweed found by a Chilean scientist on an Antarctic beach set in train research that may transform our understanding of ocean drift and reveal what the future … Read More

Ancient ancestors of modern baleen whales were toothy not-so-gentle giants - Guest Work

Guest Author May 14, 2018

Felix Georg Marx, Monash University and Robert Ewan Fordyce The largest living whales – including the gigantic 30-metre blue whale – are fast predatory hunters that support their massive bodies by filtering large volumes of tiny prey from cool near-polar waters. They do this using baleen: plates of a tough substance hanging from their upper jaw. Evidence … Read More

The SMC Video Competition: History of David Glacier from the Cosmos to Atoms - Guest Work

Jean Balchin Apr 10, 2018

Recently, the results of the Science Media Centre Video Competition were revealed. It was an incredible competition, open to previous participants of the SMC’s science video workshops. There were eight entries, and the judges were incredibly impressed with the creativity and quality of the entries. I was fortunate enough to watch all eight entries and chat to a number of … Read More

Cool! Antarctic krill can turn microplastics into nanoplastics - News

Jean Balchin Mar 09, 2018

A groundbreaking Griffith University study has found Antarctic krill which ingest microplastics are able to turn them into nanoplastics through digestion. What are Krill? Krill is a general term used to refer to around 85 species of free-swimming crustaceans called euphausiids, of which Antarctic krill is one species. Antarctic krill are one of the most abundant and successful animal species on … Read More