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...
You're zipping along the highway. Suddenly you see the patrol car up ahead. You slam on the brakes. Too late--the radar gun already has a bead on you. You're busted.
Every year influenza contributes to 20,000 deaths in the U.S. and perhaps millions worldwide. Learn how vaccines protect against it.
Bioengineered immunization could shield against nerve gas
Globe-trotting humans were the culprits