Feature
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Health & Medicine
Tracking Tumors
Researchers are trying to visualize molecular and cellular changes as a cancer responds to therapy in order to predict whether treatments are effective sooner than it's currently possible to determine.
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Materials Science
Materials Take Wing
Materials scientists are finding new uses for the billions of pounds of feathers produced each year by the poultry industry.
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Astronomy
The Milky Way’s Middle
Sensitive X-ray, infrared, and radio telescopes are now providing an extraordinarily clear view of the dust-shrouded center of our galaxy.
By Ron Cowen -
Health & Medicine
The Hunger Hormone?
Scientists may have finally found the body’s dinner bell.
By John Travis -
Anthropology
A Fair Share of the Pie
A cross-cultural project suggests that people everywhere divvy up food and make other economic deals based on social concepts of fairness, not individual self-interest.
By Bruce Bower -
Meeting Danielle the Tarantula
Insect zoos have no lions, tigers, or bears but can give plenty of thrills, courtesy of tarantulas, giant beetles, and exotic grasshoppers.
By Susan Milius -
Physics
Anatomy of a Lightning Ball
Metallic fuzz, acid droplets, or other fairy dust may conjure up ball lightning (with video clips).
By Peter Weiss -
Earth
It’s a Rough World
Scientists are using fractals, mathematical forms that can describe objects with fractional dimensions, to model phenomena such as wildfire propagation and the spread of toxic fluids through rocks and soil.
By Sid Perkins -
Health & Medicine
Germs That Do a Body Good
Research on probiotic bacteria—living microbes that confer health benefits when introduced into the body—offers growing medical promise.
By Ben Harder -
Health & Medicine
The Persistent Problem of Cystic Fibrosis
Ten years after the discovery of the gene that, when mutated, causes cystic fibrosis, researchers are still struggling to understand why deadly lung infections are so common among people with the disease.
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Computing
Calculating Cartoons
Thanks to sophisticated computer simulations of the laws of physics, spectacular special effects—plus a zoo of strange but real-looking creatures—increasingly enliven movie screens and computer-game consoles.
By Peter Weiss -
Materials Science
Flattery for Faience
By replicating ancient materials with their own hands, researchers are gaining new insights into details of Egyptian faience manufacture that have been lost for thousands of years.