February 1995
Scientific American Magazine

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Cover; February 1995; by Staff Editor; 1 Page(s)

Table of Contents; February 1995; by Staff Editor; 2 Page(s)

Masthead; February 1995; by Staff Editor; 1 Page(s)

Letters To The Editors; February 1995; by Staff Editor; 1 Page(s)

50 and 100 Years Ago; February 1995; by Staff Editor; 1 Page(s)

Dangerous Sex; February 1995; by Yam; 2 Page(s)

New signs of risk taking prompt rethinking about AIDS prevention

Putting Alzheimer's to the Tests; February 1995; by Beardsley; 2 Page(s)

Several new techniques may detect the disease

Global Warming Is Still a Hot Topic; February 1995; by Schneider; 2 Page(s)

Arrival of the seasons may show greenhouse effect

Broken Dreamtime; February 1995; by Stix; 2 Page(s)

Will the koala go the way of the dodo?

Finessing Fermat, Again; February 1995; by Leutwyler; 2 Page(s)

The wily proof may finally be finished

Commanding Attention; February 1995; by Beardsley; 1 Page(s)

Studying consciousness is a tricky task, so researchers tease apart aspects of mental processing in the hope that the parts may yet illuminate the whole.

It's Getting Easier to Find a Date; February 1995; by Schneider; 2 Page(s)

Geochronologists reconcile two timescales

Seeing How the Earth Moved; February 1995; by Schneider; 1 Page(s)

Running interference is not confined to the football field.

Nothing Personal, You're Just Not My Type; February 1995; by Mirsky; 2 Page(s)

Most movie aliens cannot reproduce successfully

Out of the Lab and into the Fire; February 1995; by Nemecek; 2 Page(s)

Two exhibits put science under the microscope

No, Really, It Was This Big; February 1995; by Vames; 1 Page(s)

Researchers at Fisheries and Oceans Canada in West Vancouver have engineered a fly-fisherman's fantasy.

The Analytical Economist; February 1995; by McCloskey; 1 Page(s)

Once Upon a Time There Was a Theory

A Budgetary Storm Is Brewing; February 1995; by Beardsley; 1 Page(s)

The new Congress may chop technology funds

Agents and Other Animals; February 1995; by Browning; 2 Page(s)

Good software help is hard to find

How Do They Call It? Let Us Count the Ways; February 1995; by Staff Editor; 1 Page(s)

Since the phrase first appeared in 1992, the "information superhighway" has become a familiar part of the American lexicon.

The Chilling Wind of Copyright Law?; February 1995; by Wallich; 1 Page(s)

Legal changes may reshape Internet activity

Profile: Yoichiro Nambu; February 1995; by Mukerjee; 3 Page(s)

Strings and Gluons - The Seer Saw Them All

Population, Poverty and the Local Environment; February 1995; by Dasgupta; 6 Page(s)

As forests and rivers recede, a child's labor can become more valuable to parents, spurring a vicious cycle that traps families in poverty

Sonoluminescence: Sound into Light; February 1995; by Putterman; 6 Page(s)

A bubble of air can focus acoustic energy a trillionfold to produce picosecond flashes of light. The mechanism eludes complete explanation

Molecular Machines That Control Genes; February 1995; by Tjian; 8 Page(s)

The activities of our genes are tightly regulated by elaborate complexes of proteins that assemble on DNA. Perturbations in the normal operation of these assemblies can lead to diseases.

Manic-Depressive Illness; February 1995; by Jamison; 6 Page(s)

Does some fine madness plague great artists? Several studies now show that creativity and mood disorders are linked

Masers in The Sky; February 1995; by Elitzur; 7 Page(s)

Interstellar gas clouds produce intense, coherent microwaves. This radiation offers a glimpse of the size, content and distance of objects that may otherwise be invisible

The History of Synthetic Testosterone; February 1995; by Hoberman, Yesalis; 6 Page(s)

Testosterone has long been banned in sports as a performance-enhancing drug. This use may soon be accepted in medicine alongside other legitimate hormonal therapies

The Mid-Cretaceous Superplume Episode; February 1995; by Larson; 5 Page(s)

The earth has an erratic "heartbeat" that can release vast amounts of heat from deep within the planet. The latest "pulse" of the earth occurred 120 million years ago

Toward "Point One"; February 1995; by Stix; 6 Page(s)

Gigabit chips are now in the laboratory. But the critical technology needed for manufacturing smaller circuits confronts diminishing returns

The Amateur Scientist; February 1995; by Hiller, Barber; 3 Page(s)

Producing Light from a Bubble of Air

Book Review; February 1995; by Kamin; 5 Page(s)

"The Bell Curve"

Essay; February 1995; by Eisenberg; 1 Page(s)

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