Health
Tuberculosis conspires with HIV to make the disease worse
In Africa, patients and doctors battle the double whammy of AIDS and TB
Features1827 articles archived since 1845
The Sciences
HIV Life Cycle Basics
Efforts to devise vaccines and treatments for HIV depend on knowledge of the virus's life cycle
Health
Can HIV Infection Be Prevented with a Once-Daily Pill?
Once the bane of global activists and politicians in developing nations, pre-exposure HIV preventatives are being tested in AIDS-stricken Africa
Health
Protecting Women from HIV--Docs Hopeful About Microbicides
Despite disappointing study results, scientists haven't given up on creating an effective way for women to protect themselves against HIV
Health
The U.S.'s $18.8-Billion Global AIDS Initiative--5 Years Later
The Bush administration's international AIDS program has been hailed as a success story, but will President-elect Obama follow through with a higher quality, fewer-strings-attached plan?...
The Sciences
What Would Blackbeard Do? Why Piracy Pays
Q&A with economist Peter Leeson
Environment
Delivering Green Hydroelectric Power-to-Go in Rwanda
Dartmouth students bring light to once-dark homes in a remote Rwandan village
Evolution
10 Places You May Catch Paleontologists Digging Up Fossils
And even if you don't, you'll gaze on fossilized dinosaurs, rhinos and other reptiles in their natural context—instead of in a museum set piece
The Sciences
How to Do a Magic Trick
The magician Teller demonstrates how to pull coins out of thin air
The Sciences
Winged Superlatives: The Ancient and Modern Diversity of Bats
Which bat would be voted "most likely to eat insects" in their high school yearbook?
Technology
2008 Gadget Guide: 33 Technology Innovations [Slide Show]
Holiday gift list: 13 high-tech toys, plus 20 green gadgets and socially responsible inventions
Technology
2008 Gadget Guide: 12 Ways to Go Green [Slide Show]
Just in time for the holidays: an electricity monitor, a water-powered clock, a light made from textiles, and more
Technology
2008 Gadget Guide: 11 Socially Responsible Inventions to Save the World
Devices to pump and filter water, protect against disease-carrying insects, and more
Technology
Showcasing Your Life Online? New Software Uses Images of Keys to Make Copies
One more thing to worry about: Researchers show they can duplicate house, office or car keys from an image
Environment
Dispatches from the Bottom of the Earth: An Antarctic Expedition in Search of Lost Mountains Encased in Ice
Marine geophysicist Robin Bell is leading an expedition to Antarctica to explore a mysterious mountain range beneath the ice sheet and will be updating Scientific American readers regularly...
