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Features

High Technology in China

A report on a visit to China in which the author observed the state of such fundamental areas of modern industrial derelopment as electronics, computers and instrumentation

By Raphael Tsu

Learning in Newborn Kittens

A series of experiments demonstrates that, although kittens seem virtually helpless at birth, they quickly learn to find their way to their favorite nipple and their home territory

By Jay S. Rosenblatt

When the Mediterranean Dried Up

Evidence acquired on a recent cruise by the deep-sea drilling vessel Glomar Challenger has revealed that six million years ago the Mediterranean basin was a desert 10,000 feet deep

By Kenneth J. Hsü

Yarn

The age-old technology of twisting fibers to make a yarn changes as new fibers are developed, some designed to look and feel like cotton, wool or silk and others to have entirely new properties

By Stanley Backer

The Tensile Strength of Liquids

Like solids, liquids tear when they are placed under sufficient tension. Their strength has important consequences in nature and technology, and its measurement calls for special tactics

By Robert E. Apfel

The Superior Colliculus of the Brain

The cells of this small region in the mammalian midbrain appear to help the eye detect and follow moving objects. They may do the same for the stimuli of hearing and touch

By Barbara Gordon

Prematurity and Uniqueness in Scientific Discovery

A molecular geneticist reflects on two general historical questions: (1) What does it mean to say a discovery is "ahead of its time"? (2) Are scientific creations any less unique than artistic creations?

By Gunther S. Stent

The Mesozoa

Animals that consist of perhaps only 20 cells live in a remarkably restricted habitat: the urine of the octopus and other cephalopods. They may provide clues to the development of many-celled organisms

By Elliot A. Lapan and Harold Morowitz

Departments

  • 50 and 100 Years Ago, December 1972

  • Science and the Citizen, December 1972

  • Bibliography, December 1972

  • Letters

    Letters to the Editors, December 1972

  • Recommended

    Books, December 1972

  • Mathematical Recreation

    Mathematical Games, December 1972

  • Amateur Scientist

    The Amateur Scientist, December 1972

  • Departments

    The Authors, December 1972

  • Annual Index 1972

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