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EarthChina’s deserts expand with population growth
Carried forward by winds and sandstorms, the dunes of northern China are expanding at an unprecedented rate, primarily because of human activities that have contributed to erosion.
By Ben Harder -
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AstronomyChasing a stellar blast
An exploding star recently discovered in a nearby galaxy may be a milestone in the study of type 1a supernovas.
By Ron Cowen -
TechMaking the most of chip fabrication
An advance in the way microelectronic circuit patterns are created may help preserve conventional chip-making methods beyond the currently predicted date of their demise.
By Peter Weiss -
TechA dim view of biologic and chemical agents
Microscopic gel balls that act as lenses may become the active ingredient of quick-acting sensors for bioagents and chemicals.
By Peter Weiss -
TechTiny ticker
Researchers have demonstrated that they can control how frequently a DNA-based nanodevice changes between two forms.
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EcosystemsSaving Sturgeon
Sturgeon species around the world are in trouble, which is why humans will increasingly be stepping in to give them a big assist.
By Janet Raloff -
Eat Smart
Your daily diet may have an impact on your brain's resiliency in the face of injury or disease.
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MathThe Galois Story
Mystery still surrounds the tragic death of young mathematician Évariste Galois.
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HumansA Lunar Ski Jump
Olympic aerialist and gold medal winner Eric Bergoust discusses the amazing possibilities of ski jumping on the moon. With audio and video. Go to: http://science.nasa.gov/headlines/y2006/14feb_bigair.htm?list43643
By Science News -
Planetary ScienceEyeing a Saturn storm
The Cassini spacecraft recently captured an image of the most powerful storm ever seen on Saturn.
By Ron Cowen