News
- Earth
Forecast: Heavy winds, plasma showers
A new spacecraft has snapped the first images of a region of ionized gases in Earth's magnetic field.
- Health & Medicine
An 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.
- Health & Medicine
Bypass surgery in elderly works fine
Coronary bypass surgery works as well in people over age 75 as it does in people 15 years younger.
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Bacteria, this spud’s for you
A compound in potato extracts stops bacteria from sticking to their targeted cells.
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Viral enzyme tackles strep throat
An enzyme from viruses that chew up bacteria may be a new kind of antibiotic.
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Pelvic infection tied to bacterial gene
A newly discovered gene may explain why some gonorrheal infections turn even more serious.
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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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Dancing with feeling
Indian classical dance provides a new way for scientists to explore cross-cultural understanding of emotions.
- 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.
- 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.
- 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.
- Tech
Deadly Bubble Bath: Ultrasound fizz kills microbes under pressure
A modest pressure increase on a liquid agitated by ultrasound dramatically boosts the microbe-killing power of those high-frequency sound waves.
