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The Viking Longship

The Viking Longship

Long, narrow ships packed with warriors helped to make the Vikings the dominant power in Europe for three centuries, beginning in about A.D. 800

By John R. Hale

The Origin of Birds and Their Flight

Anatomical and aerodynamic analyses of fossils and living birds show that birds evolved from small, predatory dinosaurs that lived on the ground

By Kevin Padian and Luis M. Chiappe

Scientists in Black

By Jeffrey T. Richelson

The Theory Formerly Known as Strings

The Theory of Everything is emerging as one in which not only strings but also membranes and black holes play a role

By Michael J. Duff

The Search for Blood Substitutes

The threat of global shortages of blood and fears about contamination have hastened attempts to find life-sustaining alternatives. Several of these compounds look promising

By Mary L. Nucci and Abraham Abuchowski

Greenland Ice Cores: Frozen in Time

Ice, frozen in place for tens of thousands of years, provides scientists with clues to pastand futureclimate

By Richard B. Alley and Michael L. Bender

Everyday Exposure to Toxic Pollutants

Environmental regulations have improved the quality of outdoor air. But problems that persist indoors have received too little attention

By Wayne R. Ott and John W. Roberts


  • From the Editor

    Saving at the Blood Bank

  • Letters


  • Letters to the Editors, February 1998

  • Recommended

    Reviews and Commentaries—Till a Wind's Last Breath

  • Anti Gravity


  • 50, 100 & 150 Years Ago

    50, 100 and 150 Years Ago: Polystyrene, Battleship "Maine" Sunk and Coal at the Pole?

  • Wonders

    The Star Mapper

  • In Brief

    In Brief, February 1998

  • Profile

    Where Science and Religion Meet

  • Mathematical Recreation

    Tight Tins for Round Sardines

  • Amateur Scientist

    Bird-Watching by the Numbers

  • Science and the Citizen

    Playing with Stars

  • Politics and PCB

  • The Painted Bird

  • Boom Box

  • By the Numbers

    Deaths from Excessive Cold and Excessive Heat

  • Working Knowledge

    Hydraulic Brakes--Working Knowledge

  • Connections

    Local Color

  • Cyber View

    Is Microsoft a Natural Monopoly?

  • Technology and Business

    Plant Matters

  • Let there be no Light

  • Faster, Smaller, Flatter

  • Natural-Born Guinea Pigs

  • Is the End in Sight?

  • In Focus

    Brookhaven Brouhaha

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