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Paleolithic Pit Stop

A French site suggests Neandertals and early modern humans behaved similarly

By Kate Wong

Piecing Together Alzheimer's

By Peter H. St George-Hyslop

Rulers of the Jurassic Seas

Fish-shaped reptiles called ichthyosaurs reigned over the oceans for as long as dinosaurs roamed the land, but only recently have paleontologists discovered why these creatures were so successful

By Ryosuke Motani

The Secrets of Stardust

Tiny grains of dust floating in interstellar space have radically altered the history of our galaxy.

By J. Mayo Greenberg


  • Not Nelson's Obelisk

  • Laugh and the World Laughs with You

  • Errata

  • Muscling DNA

  • Gotcha!

  • Data Points: The (Somewhat) Scientific American

  • Nanotubes for Electronics

  • The Science of Smart Growth

  • The Coolest Gas in the Universe

  • Jumping Champions

  • Annual Index 2000

  • Final Frontier Exam

  • From the Editor

    The Dragon in the Sea

  • Letters

    Letters to the Editor, December 2000

  • 50, 100 & 150 Years Ago

    50, 100 & 150 Years Ago: Color Television, Why Good Sausages Go Bad

  • Wonders

    Gleaning Nuggets

  • Profile

    Completing the Circuit

  • Amateur Scientist

    Calibrating with Cold

  • Science and the Citizen

    The Amazing Acenes

  • The Second Abortion Pill

  • A Trace of the Corona

  • Red Team versus the Agents

  • A One-Way Ticket to Nunavut

  • The Nobel Prizes for 2000

  • By the Numbers

    Taxes: No Major Change in Sight

  • Working Knowledge


  • Cyber View

    Bits of Radio

  • Technology and Business

    In the Waiting Room

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December 2000

20% Sitewide for President's Day