Table of Contents June 1997

Discover Magazine's mission is to enable readers to lead richer lives by explaining and expanding their universe.  Each month we bring you in depth information and analysis from various topics ranging from technology and space to the living world we live in.
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To appreciate the global biodiversity catastrophe, you don't need to go to Madagascar or Sarawak. A river in Ohio will do.
A few lucky individuals won't ever contract AIDS: they're genetically immune. And the more we learn about how their genes protect them, the closer we come to protecting all of us.
After the swift bipedal dinosaurs went extinct, the world never saw their like again--until a giant killer bird, sporting arms instead of wings, raced onto the stage.
Hastily converted landfills can be unruly dragons, belching garbage, gas, and fire. But done right, a dump can be a thing of beauty.
When a team of astrophysicists wanted to simulate a moderate-size star cluster, they figured the world's fastest computer could help. And so it could, they learned, give 3,000 years for calculating. So these computer neophytes did the natural thing. They built an even faster computer.