Beyond Penguins and Polar Bears online magazine
There are also lesson plans available on many of the Antarctic Expeditions websites.
Via Antarctica (you can also search for Via Antarctica podcasts on iTunes)
There are over 29 countries with Antarctic research programs. For the entire list, please go to the Council of Managers of National Antarctic Programs website.
Argentina: Instituto Antártico Argentino
Australia: Australian Antarctic Division
New Zealand: Antarctica New Zealand
Russia: Arctic and Antarctic Research Institute
U.K.: British Antarctic Survey