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Stories by George W. Gray

"The Organizer"

How are the unspecialized cells of the dividing egg organized into the specialized cells of a plant or animal? For 70 years biologists have been searching for the answer by experiments

November 1, 1957 — George W. Gray

The Lamont Geological Observatory

At a handsome estate on a cliff beside the Hudson River Columbia University scientists study the Earth. Their special concern is the three fourths of the Earth's crust that lies beneath the sea...

December 1, 1956 — George W. Gray

Life at High Altitudes

As man extends the vertical dimension of his environment, he reflects on the role of oxygen in his physiology. Here the matter is discussed in terms of men who pass their lives in the thin air over 10,000 feet...

December 1, 1955 — George W. Gray

Unknown Viruses

In Africa and South America investigators discovered 11 Viruses not identified with any disease. These are now studied because they are potentially dangerous and shed light on the behavior of all viruses...

March 1, 1955 — George W. Gray

The Yerkes Laboratories

Not to be confused with the Yerkes Observatory of astronomy, they are dedicated to primate biology. Within their sunny Florida confines workers of many disciplines study the chimpanzee, and vice versa...

February 1, 1955 — George W. Gray

Human Growth

The complete physical, physiological and psychological histories of 160 boys and girls recorded by the Denver Child Research Council are yielding a clear picture of how a normal individual grows up...

October 1, 1953 — George W. Gray

A Larger and Older Universe

The principal discovery made with the 200-inch telescope so far is that the yardstick by which we measure distance outside the Milky Way is twice as long as we had thought

June 1, 1953 — George W. Gray

The Universe from Palomar

For more than two years the dome of the 200-inch telescope has been open every clear night. An account of how the astronomers on the mountain have used the instrument in their explorations...

February 1, 1952 — George W. Gray


It is the migration of charged particles in a fluid between two electrical poles. In recent years the phenomenon has been used with signal success to study and to separate protein molecules...

December 1, 1951 — George W. Gray

Sickle-Cell Anemia

A hereditary disease in which some of the red blood cells are shaped like crescents instead of disks has been traced to a defect in the molecule of hemoglobin

August 1, 1951 — George W. Gray

The Ultracentrifuge

By spinning a rotor at very high speed it can generate enormous gravitational forces. It has been used notably to study large molecules by causing their sedimentation.

June 1, 1951 — George W. Gray

Cortisone and ACTH

The startling results of their administration in several rather different diseases suggest the beginnings of a unified theory of medicine

March 1, 1950 — George W. Gray

The Nobel Prizes

Although they are given in literature and peace. as well as science, they have mainly reflected a scientific age. A history of the science prizes and how they were begun

December 1, 1949 — George W. Gray

The Antibiotics

The competition of microorganisms has provided man with powerful agents against infection. Presenting a review of their discovery and their development

August 1, 1949 — George W. Gray

Pauling and Beadle

Two investigators at the California Institute of Technology have laid the groundwork for an unusual partnership of chemistry and biology

May 1, 1949 — George W. Gray

Cosmic Rays

On its majestic journey through space the Earth passes through a harsh rain of atomic particles. Presenting a brief review of what is now known about the phenomenon

March 1, 1949 — George W. Gray

"The Great Ravelled Knot"

It is the human brain, a vast entanglement of nerve cells. An account of how the brain has been explored to locate areas that are devoted to specific functions

October 1, 1948 — George W. Gray

The Ultimate Particles

Presenting a comprehensive review of what is known thus far about the fundamental units of matter and the forces that play among them in the atom's core

June 1, 1948 — George W. Gray
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Scientific American Health & Medicine

Scientific American Health & Medicine