News
- 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.
-
Bacteria, this spud’s for you
A compound in potato extracts stops bacteria from sticking to their targeted cells.
-
Viral enzyme tackles strep throat
An enzyme from viruses that chew up bacteria may be a new kind of antibiotic.
-
Pelvic infection tied to bacterial gene
A newly discovered gene may explain why some gonorrheal infections turn even more serious.
-
Neural-learning ventures
Sets of neurons may modify their activity in several ways to facilitate a basic type of learning.
-
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.
- Astronomy
Hubble Weighs In: Pinning down an extrasolar planet’s mass
Using a decades-old technique, astronomers have precisely measured the mass of a planet outside our solar system.
- Materials Science
Nanotube ID: New signatures aid nanotech progress
Researchers have developed a means for rapidly distinguishing among 33 semiconducting varieties of carbon nanotubes.
