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Features

Color Television

Although the Federal Communications Commission has chosen one of the three competing systems, the debate over their relative merits continues

By Newbern Smith

Hibernation

In winter many species of animals curl up and lower their body temperature to conserve their resources. Curiously the bear does not seem to be one of them

By Charles P. Lyman and Paul O. Chatfield

Symbolic Logic

It is a language that manipulates ideas as algebra manipulates numbers. It has been applied with notable success to practical problems requiring unusually precise and economical reasoning

By John E. Pfeiffer

The Big Schmidt

The wide, sharp field of the 48-inch telescope, now engaged in a survey of the entire sky visible from Palomar Mountain, complements the deep but narrow view of the great 200-inch

By Albert G. Wilson

Fertilization of the Egg

What happens when the germ cells of animals unite? The answer has partly been given by the useful eggs of sea urchins, which are visibly fertilized in water

By Alberto Monroy

The Earth's Heat

Like the fever of a sick man, the temperature of rocks in the crust of our planet is a clue to the processes of its inaccessible interior

By A. E. Benfield

Departments

  • Letters to the Editors, December 1950

  • 50 and 100 Years Ago: December 1950

  • Science and the Citizen: December 1950

  • Group Psychotherapy

  • Fine Particles

  • Recommended

    Books

  • Amateur Scientist

    The Amateur Astronomer

  • Departments

    Annual Index

  • Bibliography

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December 1950

The Antidote to Anti-Intellectualism