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Is Homosexuality Biologically Influenced?

Evidence for a Biological Influence in Male Homosexuality

Two pieces of evidence, a structure within the human brain and a genetic link, point to a biological component for male homosexuality

By Dean H. Hamer and Simon LeVay

The Biological Evidence Challenged

Even if genetic and neuroanatomical traits turn out to be correlated with sexual orientation, causation is far from proved

By William Byne

Bohm's Alternative to Quantum Mechanics

This theory, ignored for most of the past four decades, challenges the probabilistic, subjectivist picture of reality implicit in the standard formulation of quantum mechanics

By David Z Albert

How Interferons Fight Disease

They are not the cure-alls researchers once hoped they would be, but they are providing therapy for a variety of infectious illnesses and for some cancers

By Howard M. Johnson, Brian E. Szente, Fuller W. Bazer and Michael A. Jarpe
Chesley Bonestell's Astronomical Visions

Chesley Bonestell's Astronomical Visions

This artist's unique combination of technical knowledge and graphic prowess brought astronomy alive and helped to advance the manned spaceflight program

By Ron Miller

Directional Drilling

New techniques enable crews to drill around natural or man-made obstructions for oil and gas. These same methods are used to sample underground pollutants and bury service lines

By George A. Cooper

East Side Story: The Origin of Humankind

The Rift Valley in Africa holds the secret to the divergence of hominids from the great apes and to the emergence of human beings

By Yves Coppens

Aging Airways

By Gary Stix


  • Letters

    Letters to the Editors, May 1994

  • Recommended

    Book Reviews--A Volcano is Born

  • 50, 100 & 150 Years Ago

    50 and 100 Years Ago: Train Telephone System and Science Behind Women's Suffrage

  • Profile

    Fundamental Rights, Fundamental Physics

  • Mathematical Recreation

    How Many Guards in the Gallery?

  • Science and the Citizen

    When Treaties Fail

  • Neural Eavesdropping

  • The Lucky Ones

  • Take the Pain?

  • Unbearable Lightness

  • Family Matters

  • Vishnu Violated

  • Amazing Grace

  • Departments

    How Green is my Label?

  • Endangered Support of Basic Science

  • Technology and Business

    What's Bred in the Bone

  • Cold Calculation

  • Devilish Details

  • Office Romance

  • As Advertised

  • The Price of Clean

  • Lollipop, Lollipop

  • Gray Matter

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