14 Life Below and Life 'Out There'
Microorganisms thriving in extreme cave environments could offer clues about the strange life forms that might live on other planets.
Penelope Boston
 

18 The Making of Lunar Explorers
Looking back: How geologists trained astronauts to make the most of the Apollo missions.
Peter Margolin
 

22 On Exhibit: Restoring the Granary
An Indiana landmark of history and geology is restored and reopened.
John Steinmetz

6 News Notes

• Grand Canyon quandary
• Mars may hide shades of blue
• Briny beginning
• Evasive nuclear testing a misstated threat
• Loophole in the carbon cycle

Field Notes

12 Political Scene Sustaining the Conversation A day in the life of a Congressional Science Fellow. Eileen McLellan 50 Geophenomena Searching for magmatic tritium in the Galápagos. 53 Resources Page Two energy policies emerge in light of higher gas prices. 56 Geomedia Books, Maps, Software and Web Sites A review of Furious Earth — Plus! A new, longer software column. 68 Geologic Column The Face on Mars won't go away. Lisa A. Rossbacher

A scientist on Capitol Hill page 12