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19814
This study on canker sores compared an “untreated” group with a group using licorice patches. A more valid comparison would be for the control group to be treated with patches that contained no licorice. Janet McClureCardiff, Calif.
By Science News -
Health & MedicinePatches take sting out of canker sores
Small patches that exude licorice extract can speed healing of canker sores.
By Nathan Seppa -
EarthOn the move
A new study suggests how prions, the infectious agents that cause such disorders as chronic wasting disease, behave in soil and landfills.
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EarthNew solutions for unused drugs
Pharmacists and federal scientists have launched a program to discourage consumers from flushing unused prescription drugs down the toilet.
By Janet Raloff -
EarthFreeze-thaw cycles: How not to mix soil
The repeated cycles of ground freezing and thawing that occur in many places don't do a surprising poor job of churning the soil.
By Sid Perkins -
Kill-save gene combo might fight malaria
A technique that might someday enlist mosquitoes in the fight against malaria has passed an early test.
By Susan Milius -
EarthWave’s-eye view of a hurricane
Strong hurricanes aren't as effective at transmitting their energy to the ocean's surface as weak ones are, a counterintuitive finding that may help researchers estimate the size of storm surges.
By Sid Perkins -
Rare flower needs prickly neighbors
A flowering plant found only in Mauritius makes more fruit if dense stands of pandanus trees grow nearby.
By Susan Milius -
19813
“Migraines in men linked to heart attack risks” (SN: 5/26/07, p. 333) states that although men who suffer from migraines are more likely to experience heart attacks, scientists have failed to find a biological mechanism linking them. Such a link seems to be suggested in this earlier Science News article, which states that a patent […]
By Science News -
Health & MedicineA Gasping Heart
A common imperfection in the structure of the heart may exacerbate obstructive sleep apnea and, in mountaineers, trigger a life-threatening lung condition called high-altitude pulmonary edema.
By Ben Harder -
19812
Reading this article, I was struck by the similarity between the image that used a cone-shaped mirror and the images you get from gravitational lensing. As the same data are available in both types of images, it ought to be possible to process gravitationally imaged objects in a way to reconstruct their 3-D shapes under […]
By Science News -
TechPictures Posing Questions
Radical new forms of photography use computation to transcend the limits of traditional cameras.