Scientific American Magazine Vol 270 Issue 6

Scientific American Magazine

Volume 270, Issue 6

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Features

Was the Race to the Moon Real?

In 1961 President John F. Kennedy made the goal to be first on the moon a matter of national honor. But were the Soviets truly in the running?

Alain Dupas, John M. Logsdon

The Classical Limit of an Atom

By creating ultralarge atoms, physicists hope to study how the odd physics of the quantum world becomes the classical mechanics of everyday experience

Carlos Stroud, John Yeazell, Michael Nauenberg

Emotion, Memory and the Brain

The neural routes underlying the formation of memories about primitive emotional experiences, such as fear, have been traced

Joseph E. LeDoux

Adaptive Optics

Technology developed during the cold war is giving new capabilities to ground-based stronomical telescopes

John W. Hardy

Early Andean Cities

Some 3,800 years ago Pampa de las Llamas-Moxeke and Taukachi-Konkan were carefully laid-out urban centers that housed many hundreds of people

Shelia Pozorski, Thomas Pozorski

The Sensory Basis of the Honeybee's Dance Language

Novel experiments, such as training bees to respond to sounds and recruiting them using a robot, have ended several debates surrounding the dance language

William F. Towne, Wolfgang H. Kirchner

The Ethnobotanical Approach to Drug Discovery

Medicinal plants discovered by traditional societies are proving to be an important source of potentially therapeutic drugs

Paul Alan Cox, Michael J. Balick

Grading the Gene Tests

From just a snippet of DNA, geneticists can sometimes forecast a patient's health. But ethical problems surrounding this testing are as ominous as the diseases themselves

John Rennie

Departments

Letters to the Editors, June 1994

Errata

50 and 100 Years Ago: Television for World Peace and Oscillation of Stars

Population Summit

Gathering String

Sanity Check

Bright Spot

La Ronde

It's Just a Phase

Shooting the Rapids

The Last Universal Mathematician

Cyberspace Cadets

Good-bye, Taki 183

Requiem for Alpha?

Immuno-Logistics

Little Winners

For Sale: One Country, As Is

Genetically Altering Escherichia coli

Book Reviews--Albert en Famille

The Art of the Scientific Insult