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Articles in April 10, 2004 issue of Science News

• The Butterfly Handbook: the Definitive Reference for Every Enthusiast
• New find pushes back origin of tamed felines
  by B. Bower
• Fluid lens flows into focus
• Infecting the language
  by Neil Murphy
• Quite a switch: bacteria and perhaps other life forms use RNA as environmental sensors
  by John Travis
• The Great Influenza: the Epic Story of the Deadliest Plague in History
• Small helper compounds may have spawned early tools of life on Earth
  by A. Goho
• Inhaling your food—and its cooking fuel
• Exercise after breast cancer extends life
• Consumer Guide to Home Energy Savings
• Carbon compound hints at life
  by R. Cowen
• Gene implicated in apes' brain growth
• Expect copycats
  by David L. Bump
• Tales of the undammed: removing barriers doesn't automatically restore river health
  by Edna Francisco
• The Tale of the Scale: an Odyssey of Invention
• Study suggests new way to treat head trauma
  by J. Travis
• SARS vaccine tests well in mouse model
• Bicycling Science
• Melting ice turns oddly dense
  by P. Weiss
• Papillomavirus infections spike in sunny months
• Inaction verbs?
  by Michael Ellison
• Hummingbirds' surprising insect-catching style
  by S. Milius
• Friend in need
  by Anthony Arnold
• Anti-inflammatories' cancer effects vary by brand and tissue type
  by B. Harder