var items = new Array (new ImageMetaData('Eric Cravens, assistant curator at the National Ice Core Lab in Denver, holds up a piece of ice taken from above Lake Vostok, a remote region of Antarctica. The ice offers a glance at hundreds of thousands of years of geologic history.  \n','http://msnbcmedia.msn.com/i/msnbc/Components/Photos/060306/060306_icesample_hmed.jpg','1:24 p.m. ET, 3/6/06','Melanie Conner / National Science Foundation','National Science Foundation',11699626));