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two scientists raise an ice core
video

Taking an Ice Sample

 Using a drill, a team removes a chunk from the thick Arctic ice. Small samples are...
Mon, 01/10/2011 - 11:55
Forams are tiny single-celled organisms.
slideshow

Foraminifera

 Microscopic, single-celled organisms called foraminifera have a fossil record that...
Thu, 03/25/2010 - 16:23