The Challenge of Macular Degeneration
Researchers have begun to identify the causes of this dreaded eye disease that targets the elderly
Refuges for Life in a Hostile Universe
Only part of our galaxy . is fit for advanced life
Code Red for the Web
Could the Internet crash? This summer's Code Red attacks could foreshadow destructive cyberwarfare between hacker groups or between governments
Magic Bullets Fly Again
Molecular guided missiles called monoclonal antibodies were poised to shoot down cancer and a host of other diseases--until they crashed and burned. Now a new generation is soaring to market
Driving the Info Highway
The Internet has hit the road. Drivers can now access anything from custom traffic reports to spoken e-mail messages to video games. But is it safe?
Drowning New Orleans
A major hurricane could swamp New Orleans under 20 feet of water, killing thousands. Human activities along the Mississippi River have dramatically increased the risk, and now only massive reengineering of southeastern Louisiana can save the city
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