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Articles in April 22, 1989 issue of Science News

• The ups and downs of multiple sclerosis
  by K.A. Fackelmann
• Mir's pause in permanence - Mir space station
• Chiron's brightening hints it's a comet
  by J. Eberhart
• A walk back through evolution - analysis of footprints found at the Tanzanian site of Laetoli - Anthropology
  by Bruce Bower
• Pediatric peptide spurs growth hormone - growth-hormone releasing factor - Chemistry
  by Ivan Amato
• Seafloor maps no longer secret - Earth Sciences
• Linear collider makes a Z - Z particle
• Allergy-triggering receptor made en masse - immunoglobulin E receptor
  by R. Weiss
• Paranthropus yields mosaic arm bone - Anthropology
  by Bruce Bower
• Making plastics visible to X-rays - radioopaque properties of triphenyl bismuth - Chemistry
  by Ivan Amato
• Fusion fury: experiments, theories grow - cold fusion
  by I. Amato
• Crossing the 'borderline' of child abuse
  by B. Bower
• Path to hepatitis C yields test, clues
  by I. Wickelgren
• Sex and friendship among baboons - Anthropology
  by Bruce Bower
• Recent ocean warming: are satellites right?
  by R. Monastersky
• Japanese stroke clues: are there risks to low cholesterol?
  by Kathy A. Fackelmann
• Reach out and branch someone - branch dragging behavior of pygmy chimpanzee - Anthropology
  by Bruce Bower
• Turning antibodies into chemists - catalytic antibodies act like enzymes
  by Ivan Amato
• Smoking inhibits lung's immune cells - Biomedicine
• Fostering more orphan-disease research
• Methane clouding up the twilight - Earth Sciences
• Feeling the face of Venus
  by Jonathan Eberhart