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Articles in Jan 15, 1994 issue of Science News

• Nursing protects moms from breast cancer
  by Kathy A. Fackelmann
• Guardian genes: how cells use genes to resolve matters of life and death
  by Gabrielle Stroebel
• Flaws found in global change research - weaknesses identified in US Global Change Research Program - Brief Article
• Mars Observer: piecing together the puzzle - disappearance of satellite investigated
  by Ron Cowen
• Single-electron control on the atomic level
  by Ivars Peterson
• Cold secrets only noses know - role of sinus problems in common colds - Brief Article
• Savannas leave signs of slow takeover - Brief Article
  by Bruce Bower
• Bronze Age tin mine found in Turkey - mine dating to 3,000 BC provides evidence of Bronze Age tin production in Middle East - Brief Article
• Ancient penguin nests tell climate tale - ancient Adelie penguin remains dated to chart climate history - Brief Article
• Immune therapy stems diabetes' progress - anti-CD3 monoclonal antibody experiments on mice
  by Elizabeth Pennisi
• New year in space; NASA zeros in on planet earth - National Aeronautics and Space Administration 1994 mission schedule
  by Ron Cowen
• Less-invasive brain imaging in humans - magnetic resonance imaging used to monitor blood flow - Brief Article
• Fossil whale feet: a step in evolution - whale remains found with legs and feet
  by Richard Monastersky
• Government team tracks radiation studies - radiation tests on human subjects
  by Tina Adler
• Fossil Lucy shows her age - age of Australopithecus afarensis fossil dated at 3.18 million years using new technique - Brief Article