News
- Anthropology
Polynesian Latecomers: Easter Islanders took fast track to culture
New radiocarbon dates from Easter Island indicate that the isolated Polynesian island was first colonized around A.D. 1200, up to 800 years later than had previously been thought.
- Health & Medicine
Got Data? Consuming calcium, dairy doesn’t keep off weight
Dairy products and other calcium-containing foods don't prevent weight gain, according to a 12-year study of middle-aged men.
- 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.
- 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.
-
Thymus twice as nice for mice
Mice have a second thymus, located in the neck.
-
- 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.
-
Gold-Metal Results: Compounds block immune proteins
Metals such as platinum and gold keep certain proteins from stimulating the body's immune response.
