Spring 1992 Vol. 5, No. 1

Space Science: A New Window on Human Physiology
Marsha Freeman
Looking at the functioning of biological systems in microgravity provides a unique vantage point from which to learn about how we become ill-and how we can live healthily-on Earth.

The Scientific Method of Bernhard Riemann
Part 2: Riemann the Physicist
Ralf Schauerhammer and Jonathan Tennenbaum
Today’s physics and mathematics still have much to learn from the 19th century scientific giant Bernhard Riemann.

JET Takes Big Step for Hot Fusion
Charles B. Stevens
For the first time tritium fuel was used in a tokamak-and it worked, demonstrating in principle the continuous production of fusion energy.

Poultry Is Next on Food Irradiation Menu
Marjorie Mazel Hecht

Global Warming, Ozone Depletion—Where’s the Evidence?
Dr. Dixy Lee Ray

One Couple’s True Story: How We Escaped the Web of Eco-Propaganda
“Fossil Bill” Kramer

Superradiance Theory: New Insights on Water and Sonoluminescence
Dr. Giuliano Preparata

Cold Fusion Experimenter Melvin H. Miles Responds to Critic

DDT, The New York Times, and Judge Irving Kaufman
Thomas H. Jukes

Pythagorean Triples: A Formula Rediscovered
Laurence Hecht

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