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International Cooperation in Nuclear Power

The progress of European nations in developing atomic power for peaceful Purposes, President Eisenhower's "atomic pool" proposal and other recent events presage a new period in the Atomic Age...

By Donald J. Hughes

The Sea Lamprey

This eel-like creature fastens itself to fish and sucks their blood. Within the past 25 years it has invaded Lake Huron and Lake Michigan and destroyed their teeming population of trout...

By Vernon C. Applegate and James W. Moffett

Vaccines For Poliomyelitis

There has been some discussion as to whether one made of "killed" viruses can be as effective as one made of live viruses. A brief account of the matter by an investigator of killed-virus vaccine...

By Jonas E. Salk

Man Viewed as a Machine

"Muscle" and "brain" machines do much of his daily work. Now he conceives a machine that will reproduce itself. This once again brings up the question of whether man himself is only a machine...

By John G. Kemeny

The Ecology Of Desert Plants

What selects the plants in an extreme environment? Is it a sort of war? The study of plants in the desert and in the laboratory indicates otherwise, which points a moral for the human species...

By Frits W. Went

The Origin Of Granite

Geologists debate whether it was formed by (1) crystallization from a melt or (2) alteration of other rocks. An account of experiments on the problem which imitate conditions in the interior of the earth...

By O. Frank Tuttle

The Anthropology of Manners

If an American addresses a Latin from a distance of 20 inches, is he impolite? If an Arab arrives for a 2:30 appointment at 2:45, is he late? All about the customs that unconsciously shape our relations...

By Edward T. Hall Jr.

The T2 Mystery

T2 is a virus which dissolves bacteria. Normally its attack is followed by the appearance of a generation of new viruses. But sometimes the Viruses appear to be missing. Why?

By Salvador E. Luria


  • 50 and 100 Years Ago: April 1955

  • Science and the Citizen: April 1955

  • Letters

    Letters to the Editors, April 1955

  • Recommended


  • Amateur Scientist

    The Amateur Scientist

  • Departments

    The Authors

  • Bibliography

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