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Articles in Nov 20, 1999 issue of Science News

• Single-wave sounds streak through air
  by P. Weiss
• Traffic may worsen hay fever and asthma
  by J. Raloff
• Smart Outfit
  by Peter Weiss
• Do offshore wells fight natural pollution?
  by R. Monastersky
• Clean-air allies: Rickshaws get a lift …
  by P.W.
• Thalidomide combats myeloma blood cancer
  by N. Seppa
• … And no-solvent paint spares the air
  by P.W.
• Innovative crystal's got plenty o' nuthin'
  by O. Baker
• Quantum Games
  by Ivars Peterson
• First plum pox turns up in North America
  by S. Milius
• Power lines rewire avian hormone
  by J.R.
• Thymus tissue heals DiGeorge syndrome
  by N.S.
• DNA furnishes tips to mental retardation
  by B. Bower
• Lake herbicides reach onshore wells
  by J.R.
• Large aneurysms may benefit from coil
  by N.S.
• Letters
• Extrasolar Planets: Out of the Shadows
  by R. Cowen
• Smuggled Chinese dinosaur to fly home
  by R.M.