Opposite behaviors? Arctic sea ice shrinks, Antarctic grows

I found a bigger version of the image as it is easier to make out the differences :- http://25.media.tumblr.com/tumblr_mcdbzv1yet1rz307wo1_1280.j...

Though to me it does whilst increased in the Antarctic covering it may be, that it still combined show a fall in coverage. But we are comparing over a small period of time, so it is hard to get too excited.