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So long pesky insects, and take your pathogens with you

What you didn't know about the world's most popular stimulant

Medicine harnesses the might of the immune system to defeat prostate cancer.

A dramatic technique for mining oil and natural gas called hydraulic fracturing is under fire. Here’s why

Scientists hope to strengthen aging brains by tweaking the behavior of DNA

A state-of-the-art facility aims to make desalination more efficient

The Big Question: How many people will it infect this year?

Everything you need to know about the hottest topic in 
medicine, from big-league breakthroughs and new therapies to emerging health risks and the patients willing to take them

Three deep-in-the-lab technologies will extend PCs' relentless power boosts

A rare glimpse at the ringed planet could make '09 the year of Saturn