claim: 'Antarctic sea ice set a new record in October 2007, as photographs distributed by the National Oceanic and Atmospheric Administration showed penguins and other cold-weather creatures able to stand farther north on Southern Hemisphere sea ice than has ever been recorded.
evidence: The extent of sea ice around Antarctica ( in terms of square kilometers of coverage ) has remained roughly constant in recent decades, although the amount of variation it has experienced in its thickness is unclear.