News
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Health & MedicineFirst-Line Treatment: Chronic-leukemia drug clears a big hurdle
In its first large-scale test on newly diagnosed leukemia patients, the drug imatinib—also called Gleevec and STI-571—stopped or reversed the disease in nearly all patients receiving it.
By Nathan Seppa -
PhysicsIdentity Check: Elusive neutrinos morph on Earth, as in space
Strengthening a challenge to the prevailing theory of particle physics, measurements of elusive particles called antineutrinos from nuclear reactors suggest that no neutrino types, be they matter or antimatter, have stable identities.
By Peter Weiss -
Health & MedicineVisionary science for the intestine
A tiny disposable flash camera that a person swallows can detect problems in the small intestine.
By Nathan Seppa -
Health & MedicineBone scan reveals estrogen effects
Using a scanning technology called microcomputerized tomography, scientists have a new way to look at the difference between bone exposed to estrogen and bone deprived of it.
By Nathan Seppa -
Health & MedicineImaging Parkinson’s
A new brain-imaging technique can supply proof of Parkinson's disease in people whose symptoms fall short of the standard definition of the disease.
By Nathan Seppa -
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