News
- Physics
Light chips find a place to take root
The fabrication of an artificial, inside-out opal of silicon promises to make all-optical microchips possible
- Health & Medicine
Enzyme Shortage May Lead to Lupus
Without the enzyme DNase I, mice are vulnerable to symptoms of lupus, a debilitating autoimmune disease.
- Agriculture
Bt corn variety OK for black swallowtails
The first published field study of butterflies and genetically altered corn finds no harm to black swallowtail caterpillars from a common corn variety.
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Cancer patients accentuate the positive
Group therapy that promotes positive types of personal growth in breast cancer patients may also result in beneficial physiological changes.
- Earth
Algal bloom is smothering Florida coral
The anomalous growth of a native alga—now blanketing the seabed in a huge swath off the southern coast of Florida—points to overfertilization with upwelling sewage.
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Debate over Alzheimer’s enzyme flares up
Scientists continue to tussle over the identity of an enzyme implicated in Alzheimer's disease.
- Astronomy
Survey confirms composition of the cosmos
A team of astronomers announced this week that after measuring the redshifts of 100,000 galaxies, they have new evidence for what makes up most of the mass of the universe.
- Physics
Light pulses flout sacrosanct speed limit
Faster-than-light firsts: Restless laser pulse leaves before it arrives, while merging microwaves send out a superluminal scout.
- Planetary Science
X rays reveal Eros’ primitive nature
Aided by a blast of X rays from the sun, a spacecraft orbiting the near-Earth asteroid 433 Eros has gathered preliminary evidence that the rock is a primitive relic, apparently unchanged since the birth of the solar system.
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Dancing with feeling
Indian classical dance provides a new way for scientists to explore cross-cultural understanding of emotions.
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Neural-learning ventures
Sets of neurons may modify their activity in several ways to facilitate a basic type of learning.
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Pelvic infection tied to bacterial gene
A newly discovered gene may explain why some gonorrheal infections turn even more serious.
