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Articles in April 1998 issue of Discover

• A brief tour of a bad cosmic neighborhood
  by Jeffrey Winters
• Cave creatures
• New women of the ice age
  by Heather Pringle
• You don't need a weatherman…
• A head full of hope
  by Jeff Goldberg
• The world's smallest gear
• The equation of a whale
  by Carl Zimmer
• Pioneer biped
• Monster of the tub
  by Dick Teresi
• King claw: ninety million years ago in what is now Argentina, a terrible predator hunted some of the biggest animals ever to walk on land. Meet Megaraptor
  by Shanti Menon
• Art and science
  by Richard Boddy
• Beauty of Another Order: Photography in Science
  by Bettyann Holtzmann Kevles
• Rocket science: how do you launch something into orbit without using any fuel? A prototype spacecraft relies on a ground-based laser to push it aloft
  by Fenella Saunders
• Humpbacked dinosaurs
• Nature Wars: People vs. Pests
  by Bettyann Holtzmann Kevles
• Sounds of silence: an accident threatened Mr. Sinclair's poor hearing. Could microsurgery save his fragile world?
  by Norman T. Berlinger
• Old iron tooth
• Close encounters: witness the striking meeting of three planets and a sliver of moon
  by Bob Berman
• Greenland is melting
• Pigeons on parade: breeders have created head ruffs, chest frills, and fantails for the lowly, abused bird
  by Mark Wheeler
• There were giants on the earth in those days
• How the other half heals: one secret of health is more straightforward than you think: money
  by Robert Sapolsky
• Scatapult