News
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Health & MedicineZapping bone brings relief from tumor pain
By unleashing radio waves inside bone, researchers have stopped intractable pain in people with cancer that has spread to their skeletons.
By Nathan Seppa -
Health & MedicineBilirubin: Both villain and hero?
Bilirubin, which causes jaundice in newborns, may protect against cellular damage.
By John Travis -
AstronomySizing up small stars
Astronomers have for the first time measured with high precision the size of a small star, Proxima Centauri, the known star nearest to the solar system.
By Ron Cowen -
PhysicsIcicle waves go with the flow
A new model of icicle growth may explain the strange fact that ripples often found on those icy spikes typically sit about 1 centimeter apart, whether the icicles themselves are big or small.
By Peter Weiss -
Viral enzyme tackles strep throat
An enzyme from viruses that chew up bacteria may be a new kind of antibiotic.
By John Travis -
TechDeadly 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.
By Peter Weiss -
AstronomyHubble 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.
By Ron Cowen -
Materials ScienceNanotube ID: New signatures aid nanotech progress
Researchers have developed a means for rapidly distinguishing among 33 semiconducting varieties of carbon nanotubes.
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Health & MedicineCluster Bombs: Metabolic syndrome tied to heart disease deaths
Men with a certain cluster of metabolic characteristics are about three times as likely to die of heart disease as men without the traits are.
By Ben Harder -
AnimalsFrogs Play Tree: Male tunes his call to specific tree hole
Borneo's tree-hole frog may come as close to playing a musical instrument as any wild animal does. [With audio file.]
By Susan Milius -
Health & MedicineJarring Result: Extreme biking can hurt men’s fertility
Men who maintain grueling mountain-bicycling programs are apt to have lower sperm counts than nonbikers are.
By Nathan Seppa -
AnthropologyScript Delivery: New World writing takes disputed turn
Researchers announced, to considerable controversy, that inscriptions found on artifacts at an Olmec site in southeastern Mexico represented the earliest known writing system in the Americas.
By Bruce Bower