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Insects v. Insecticides

The increasing resistance of flies and mosquitoes to DDT is causing private and public concern. It is unlikely, however, that we will have to return to sticky paper and fly swatters

By Robert L. Metcalf

The Jet Stream

Meteorologists have recently discovered that from 10,000 to 40,000 feet above the surface of the earth there are strange rivers of air that can travel as fast as 300 miles per hour

By Jerome Namias

The Diphtheria Toxin

The substance secreted by the diphtheria bacillus is one of the most potent poisons known: one milligram of it is enough to kill 1,000 tons of guinea pig. How does it work?

By A. M. Pappenheimer Jr.

The Origin of the Earth

The emergence of the theory that the solar system coagulated from a vast cloud of dust has led to a new inquiry into the chemical history of our planet

By Harold C. Urey

From Cave to Village

An account of a recent expedition to Iraq which sought the remains of a prehistoric revolution in the life of man: the birth of agriculture and animal husbandry

By Robert J. Braidwood

Whale Cardiogram

In the summer some scientists seek adventure: the Boston cardiologist Paul White and his friends traveled to Alaska and first recorded the heartbeat of a large aquatic mammal

Alchemy and Alchemists

To the disreputable discipline of ancient and medieval times modern chemistry owes its name, its occasionally esoteric symbolism and some of its principal attitudes

By John Read

The Rise of Water in Plants

How do tall trees elevate water to their highest leaves? An early investigator made some surprisingly perceptive guesses, but it took two centuries to corroborate them

By Victor A. Greulach


  • 50 and 100 Years Ago: October 1952

  • Science and the Citizen: October 1952

  • Letters

    Letters to the Editors, October 1952

  • Recommended


  • Amateur Scientist

    The Amateur Scientist

  • Departments


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