Uncategorized
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PhysicsLight pulses flout sacrosanct speed limit
Faster-than-light firsts: Restless laser pulse leaves before it arrives, while merging microwaves send out a superluminal scout.
By Peter Weiss -
Planetary ScienceX 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.
By Ron Cowen -
Dancing with feeling
Indian classical dance provides a new way for scientists to explore cross-cultural understanding of emotions.
By Bruce Bower -
Neural-learning ventures
Sets of neurons may modify their activity in several ways to facilitate a basic type of learning.
By Bruce Bower -
Pelvic infection tied to bacterial gene
A newly discovered gene may explain why some gonorrheal infections turn even more serious.
By John Travis -
Bacteria, this spud’s for you
A compound in potato extracts stops bacteria from sticking to their targeted cells.
By John Travis -
Health & MedicineBypass surgery in elderly works fine
Coronary bypass surgery works as well in people over age 75 as it does in people 15 years younger.
By Nathan Seppa -
Health & MedicineAn alternate approach to Parkinson’s
While levodopa is the treatment of choice for Parkinson's disease, drugs called dopamine agonists, which mimic the neurotransmitter dopamine, may work as well early in the disease, cause fewer side effects, and preserve levodopa's effectiveness.
By Nathan Seppa -
EarthForecast: Heavy winds, plasma showers
A new spacecraft has snapped the first images of a region of ionized gases in Earth's magnetic field.
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EarthGetting to know carbon
A new research initiative will focus on the complex life of carbon as it cycles through Earth's land, water, and atmosphere.
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