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Features

Debt and the Environment

Loans cause great human hardship, but their connection to ecological troubles is hard to prove

By David Maddison, David Pearce, Dominic Moran and Neil Adger

Building World-Record Magnets

Packing the energy equivalent of a stick of dynamite, powerful electromagnets around the globe compete to advance our knowledge of materials science and physics

By Al Passner, Greg Boebinger and Joze Bevk

The Arithmetics of Mutual Help

Computer experiments show how cooperation rather than exploitation can dominate in the Darwinian struggle for survival

By Karl Sigmund, Martin A. Nowak and Robert M. May

Deciphering a Roman Blueprint

Scholarly detective work reveals the secret of a full-size drawing chiseled into an ancient pavement. The "blueprint" describes one of Rome's most famous buildings

By Lothar Haselberger

Halo Nuclei

Nuclei having excess neutrons or protons teeter on the edges of nuclear stability, known as drip lines. Under this stress, some develop a halo

By George F. Bertsch and Sam M. Austin

Kin Recognition

Many organisms, from sea squirts to primates, can identify their relatives. Understanding how and why they do so has prompted new thinking about the evolution of social behavior

By David W. Pfennig and Paul W. Sherman

From Complexity to Perplexity

Can science achieve a unified theory of complex systems? Even at the Santa Fe Institute, some researchers have their doubts

By John Horgan

Departments

  • Hookworm Infection

  • Letters

    Letters to the Editors, June 1995

  • Recommended

    Reviews--Next of Kin

  • 50, 100 & 150 Years Ago

    50 and 100 Years Ago: Arsenic with Fluorine and New Voting Technology

  • Profile

    Turning the Inside Out

  • Amateur Scientist

    Computing Bouts of the Prisoner's Dilemma

  • Science and the Citizen

    Persistently Toxic

  • Crisis? What Crisis?

  • Flying in the Face of Tradition

  • Depression's Double Standard

  • Dinosaurs in the Halls

  • Death by Analysis

  • The Importance of Being Sneaky

  • Better Late than Never

  • The Eyes Have It

  • Rio Redux

  • Departments

    Yesterday the Peso, Tomorrow the Dollar?

  • The Known, the Unknown and the Unknowable

  • Field Notes

    Ambivalent Anniversaries

  • Technology and Business

    Suck it to me

  • Turning Back the Clock

  • Tell us Another Story, Please, Bill

  • Computing with Fire

  • Have a Heart

  • Setting a Standard

  • Employment Blues: Nothing to do with being Green

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June 1995

Think Outside the Gift Box