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Articles in Dec 1, 1990 issue of Science News

• Noise at sea: cries of infant microbubbles - tiny bubbles generate most of the noise that divers hear
  by Ivars Peterson
• San Andreas fault may have many faces - potential for further earthquakes in the San Francisco Bay Area
  by Richard Monastersky
• A little oxygen is better than none - atmospheric oxygen levels in the Archaean era
• Planetary coffee: take a five-minute break inside the earth - similarities between a cup of coffee and the earth's interior
  by Richard Monastersky
• High-pressure hormone: mysterious blood compound may plant seeds of hypertension - steroid hormone oubain
  by Kathy A. Fackelmann
• Scars from an ancient collision - evidence for a collision of drifting continents in the Proterozoic era
• Ins and outs of pesticide residues - protecting greenhouse workers
  by Janet Raloff
• Another gap in mapping Venus
• Mother tongue may influence musical ear - speech characteristics influence how people hear music
  by Robert N. Langreth
• Soybean lecithin may prevent cirrhosis
  by Ron Cowen
• New allergy vaccine brings relief to rats - experimental vaccine blocks allergic reactions
  by Rick Weiss
• Liquids that tiptoe on the edge of solidity - materials research
  by Ivan Amato
• Genetic propensity to common cancers found
  by Rick Weiss
• Reassessing costs of keeping baby dry - safety of burying disposable diapers in landfills
  by Janet Raloff
• Dawn of a big telescope: astronomers await the debut of Keck's tiled mirror - W.M. Keck Observatory, Hawaii - Cover Story
  by Ron Cowen