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Phosphate Rock

This essential raw material for fertilizer is widely distributed but unevenly mined and consumed. Now its geologic origins are becoming clearer, and more deposits are likely to be discovered...

By Richard P. Sheldon

Radio Astronomy by Very-Long-Baseline Interferometry

Observations made simultaneously by radio telescopes thousands of miles apart can be combined with the aid of atomic clocks. The resolution of the observations' is the highest ever achieved...

By Anthony C. S. Readhead


Calcium ions are important intracellular messengers. Often their message is relayed by calmodulin, a ubiquitous protein that binds calcium ions and is thereby activated to regulate various enzymes...

By Wai Yiu Cheung

The Quantum Mechanics of Materials

Structural properties of solids can be predicted by a theory in which electrons act like light beams in a box of partially slivered mirrors. The design of materials from first principles may now be in prospect...

By James C. Phillips, Marvin L. Cohen and Volker Heine

The Archaeology of Lascaux Cave

Forty years' work has revealed much about how the great Paleolithic paintings of Lascaux Cave were created. It has also focused attention on hundreds of engravings that rival the paintings in their import...

By Arlette Leroi-Gourhan

The Structure and Function of Fish Schools

Schooling serves to reduce the risk of being eaten. Each fish employs its eyes and lateral lines, which are sensitive to the displacement of water, to match the speed and the direction of all the other fish in the school...

By Brian L. Partridge

Brain Mechanisms of Visual Attention

The process by which the brain decides that certain objects in the world are significant is studied by recording the activity of nerve cells in the brain of monkeys that are responding to visual stimuli...

By David Lee Robinson, Michael E. Goldberg and Robert H. Wurtz

The Lunar Society of Birmingham

Science and technology in late 18th-century Britain were transformed by the activities of this provincial band of manufacturers, inventors and natural philosophers, who timed their meetings by the full moon...

By Lord Ritchie-Calder


  • 50 and 100 Years Ago: June 1982

  • Science and the Citizen, June 1982

  • Letters

    Letters to the Editors, June 1982

  • Recommended

    Books, June 1982

  • Amateur Scientist

    The Amateur Scientist, June 1982

  • Departments

    The Authors, June 1982

  • Metamagical Themas, June 1982

  • Bibliography, June 1982

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