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- Marauder Ants Marauders of the Jungle Floor Tracking voraciuos hunters on organized raids, Harvard graduate student Mark W. Moffett learns new secrets of the ant world.

- Uranus: Visit To a Dark Planet Uranus: Voyager Visits a Dark Planet Images beamed to Earth by the Voyager 2 spacecraft, Rick Gore reports, raise as many questions as they answer about the mysterious seventh planet from the sun.

- Argentina’s New Beginning After a painful decade of military rule, Argentina looks to heal lingering emotional and economic scars. Bryan Hodgson and photographer James P. Blair assess its success.

- Soviet-American Assault on Victory Peak High Road to Victory: Soviet and U. S. Climbers Conquer Pik Pobedy Joining a Soviet assault on 24,406-foot Pik Pobedy Peak of Victory William Garner and Randy Starrett become the first Americans to climb the four highest mountains in the U. S. S. R. Photos by Medford Taylor.

- The Quest for Ulysses In a modern-day odyssey, adventurer Tim Severin sets sail in the wake of Homer’s classical hero. Photographs by Kevin Fleming.

- Oregon Trail: The Itch To Move West The Itch to Move West: Life and Death on the Oregon Trail Retracing the Oregon Trail, Boyd Gibbons and photographer James L. Amos recount the adventure of half a million pioneers who struggled west seeking a better life.