NASA declared January this year as the warmest month, displacing last year's record. It wasn't just living creatures, however, who were affected by the heat. Unsurprisingly, the volume of ice in our polar regions, particularly the Arctic north, were drastically affected as well. While frozen seawater normally expands during the fall and winter months, NASA has measured the Arctic sea ice area at 5.607 million square miles. While that may still sound big, it's slightly lower than that 5.612 million square miles from last year, making it the lowest recorded number since 1979.