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Global warming has become such an overriding emergency that some climate experts are willing to consider schemes for partly shielding the planet from the sun's rays. But no such scheme is a magic bullet
The big challenges in the fight against HIV/AIDS
Eliminating HIV from the body would require flushing the virus out of its hiding places and preventing those reservoirs from being refilled. A tall order but perhaps not impossible
In seeming defiance of the second law of thermodynamics, nature is filled with examples of order emerging from chaos. A new theoretical framework resolves the apparent paradox
Repeated failures in the quest for an AIDS vaccine have sent investigators back to the drawing board
A portable version of a room-size nuclear magnetic resonance machine can probe the chemistry and structure of objects ranging from mummies to tires
Logic gates made of DNA could one day operate in your bloodstream, collectively making medical decisions and taking action. For now, they play a mean game of in vitro tic-tac-toe
How far can science advance brain-machine interface technology? Will we one day pipe the latest blog entry or NASCAR highlights directly into the human brain as if the organ were an outsize flash drive?
In-Depth Report
Focus on Alternative Energy
SciAm.com reporters walk through the various options in the alternative energy landscape: geothermal power, solar power, offshore wind, wave farms, thin film, hydrogen fuel cell cars, electric cars, and more.
News
The Key to Smaller, More Powerful Gadgets
As memory demands grow and devices shrink, current storage techniques won’t cut it.
Mind Matters
Borderline Personality Disorder: No Man Is an Island
A new study provides an illuminating look into the brains of sufferers.
News
A Deep Thaw: How Much Will Vanishing Glaciers Raise Sea Levels?
Some say high, some say low, some say fast, some say slow.
Science Talk
Return of a Killer: Tuberculosis in Russia
Veteran journalist Merrill Goozner of the Integrity in Science project at the Center for Science in the Public Interest discusses the rise of tuberculosis in Russia.
Ask the Experts
What Is Histoplasmosis?
The U.S. Food and Drug Administration is ordering stronger warnings on a particular class of medications because of patient deaths from fungal infections.
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