Uncategorized
- Astronomy
Magnetic Memory: New model forecasts solar storms
A new computer model predicts that the next solar-activity cycle won't begin until late 2008, a year later than the sun's standard cycle would forecast.
- Humans
Letters from the March 11, 2006, issue of Science News
Seasonal effect? Might your article, “Bright Lights, Big Cancer” (SN: 1/7/06, p. 8), on breast cancer have missed something? If the daily light-dark cycle affects melatonin, is there a seasonal change in cancer rates in the Northern (and Southern) Hemispheres? If so or not, that might give a clue to any latency period. Alan MacGregorSalmon […]
- Health & Medicine
Genes for macular degeneration
Variations in two genes could account for three-quarters of all cases of age-related macular degeneration.
- Health & Medicine
Low-protein diet boosts treatment
A diet low in protein can improve the effectiveness of drug therapy and reduce the periods of the most debilitating symptoms suffered by Parkinson's disease patients.
- Chemistry
Fragment foils Alzheimer’s protein
Researchers have synthesized a protein fragment that, in test tubes, disrupts the formation of the fiber networks suspected to cause Alzheimer's disease.
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Thymus twice as nice for mice
Mice have a second thymus, located in the neck.
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- Health & Medicine
A link between emotional stress and heart attacks
In some people with heart disease, a stressful event precipitates changes in blood components and flow that may trigger a heart attack.
- Planetary Science
Pluto’s posse
Images taken by the Hubble Space Telescope on Feb. 15 confirm that Pluto has two small, previously unknown moons.
- Health & Medicine
Indigestion drug makes headway
An experimental drug relieves symptoms of a form of chronic indigestion called functional dyspepsia better than a placebo does.
- Astronomy
Peeling Back Orion’s Layers
By studying the most detailed portrait ever assembled of the Orion nebula, astronomers hope to glean new insights about star birth throughout the galaxy.
- Math
All Square
Mathematicians nail down when it's possible to express numbers as the sums of squares.
