You are viewing a Web site, archived on 00:32:02 Nov 20, 2004. It is now a Federal record managed by the National Archives and Records Administration.
External links, forms, and search boxes may not function within this collection.

(This is the chapter's title page and introductory text)

Science on the Edge: Arctic and Antarctic Discoveries

The polar regions provide unique natural laboratories for the study of complex scientific questions, ranging from human origins in the New World to the expansion of the universe.

Return to the overview.