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Table of Contents
Table of Contents
December 2006
Voyage to Saturn
As the Cassini probe reveals the secrets of the ringed giant, it is finding clues to the very beginnings of the solar system.
Features
Rock Gases
Early Earth
Modern landscapes offer glimpses of the way our planet may have looked billions of years ago.
Wounded Helicopter
Military Medicine
Frontline medicine is always brutal, but for some U.S. troops injured in Iraq, the real fight begins when they come home.
Thracian King Masks
Bulgaria Gold Rush
The race is on to uncover the golden splendors of Bulgaria's Thracian past before sites are looted.
Penguins Candlemas Island
Icy Underworld
Fire meets ice on the South Sandwich Islands, a land of volcanic stream, blue icebergs, and penguins by the millions.
Woodpecker Sightings
Ghost Bird
An ivory-billed woodpecker hasn't been seen for certain since 1944, but a holdout may survive in Arkansas.
Alligator Claw
Visions of Earth
Each month, National Geographic features breathtaking photographs in Visions of Earth.
Wounded Soldier
Flashback
Taken in 1918, a Salvation Army "lassie" writes for a wounded World War I soldier.