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Superphnix: A Full-Scale Breeder Reactor

The decision has been made to begin the construction in France of a 1,200-megawatt breeder-reactor power station. The joint European project will be the prototype of future nuclear plants

By Georges A. Vendryes

Waves in the Solar Wind

The solar wind is the sun's outer atmosphere expanding into space. Variations in its speed are interpreted as velocity waves that evolve with distance, much as ocean waves steepen as they approach a beach

By A. J. Hundhausen and J. T. Gosling

Biological Nitrogen Fixation

Only a few bacteria and simple algae have the cellular equipment needed to "fix" the nitrogen of the atmosphere into ammonia. They are the major suppliers of this limited agricultural resource

By Winston J. Brill

The Acoustics of the Singing Voice

The voice organ is an instrument consisting of a power supply (the lungs), an oscillator (the vocal folds) and a resonator (the larynx, pharynx and mouth), Singers adjust the resonator in special ways

By Johan Sundberg

The Oldest Rocks and the Growth of Continents

Did most of the continental crust emerge early in the earth's history, or was much of it added later by tectonic processes? Recent advances in the dating of ancient rocks lend strong support to the latter view

By Stephen Moorbath

Flashlight Fishes

These marine species light up the water with a large organ under each eye containing living luminous bacteria. They use the light to see by, to communicate, to lure prey and to confuse predators

By John E. McCosker


  • 50 and 100 Years Ago, March 1977

  • Opiate Receptors and Internal Opiates

  • Science and the Citizen, March 1977

  • The Earliest Maya

  • Letters

    Letters to the Editors, March 1977

  • Recommended

    Books, March 1977

  • Mathematical Recreation

    Mathematical Games, March 1977

  • Departments

    The Authors, March 1977

  • Bibliography, March 1977

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March 1977

The Antidote to Anti-Intellectualism