At NOVA's Origins website, users can "journey back to the beginning of everything: the universe, Earth, and life itself." The web site offers a series of interactive modules where visitors can decide if life exists on...

The mission of the Ithaca, N.Y.-based Paleontological Research Institution (first mentioned in the January 10, 2003 NSDL Scout Report for Physical Sciences) is "to increase and disseminate knowledge about the history and...