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Features

The Detection of Underground Explosions

New methods make it possible to identify as such the great majority of earthquakes and explosions. Thus the technical basis for extending the ban on nuclear tests is established

By Edward Bullard

German Measles

This mild infection can have grave results during pregnancy. In 1964 an epidemic in the U.S. caused defects in 20,000 infants. Isolation of the virus has led to intensive efforts to develop a safe vaccine

By Louis Z. Cooper

Poultry Production

The per capita consumption of poultry in the U.S. has more than doubled during the past 30 years. To meet the demand, automatic factories today convert tons of feed into tons of meat and eggs

By Wilbor O. Wilson

Polarized Accelerator Targets

Crystals in which the nuclear particles are all spinning in the same direction are bombarded with high-energy particles to measure how much the nuclear forces depend on the spin of the nuclear particles

By Gilbert Shapiro

The Voodoo Lily

This tropical plant and its relatives emit a highly unpleasant odor that attracts insect pollinators. To broadcast its scent the plant resorts to unusual metabolic pathways that make part of it quite hot

By Bastiaan J. D. Meeuse

Short-Term Memory

Tests of how long information is retained and the circumstances in which it is forgotten suggest that short-term and long-term memory are closely related but involve some separate mechanisms

By Lloyd R. Peterson

Boron Crystals

X-ray analysis of the crystals formed by boron and its compounds has turned out to be fruitful beyond expectations and has led to a considerable extension of the concepts of structural chemistry

By C. H. L. Kennard and Don B. Sullenger

Departments

  • 50 and 100 Years Ago: July 1966

  • Modern Cryptology

  • Science and the Citizen: July 1966

  • Letters

    Letters to the Editors, July 1966

  • Recommended

    Books

  • Mathematical Recreation

    Mathematical Games

  • Amateur Scientist

    The Amateur Scientist

  • Departments

    The Authors

  • Bibliography

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July 1966

Think Outside the Gift Box