Uncategorized
- Health & Medicine
Disease Detector: Chemical test may spot Alzheimer’s
A new test that detects very low levels of protein clumps associated with Alzheimer's may provide an early warning for the disease.
By David Shiga - Humans
Letters from the February 5, 2005, issue of Science News
Not measuring up I love Science News. Now and then, however, you write in terms that aren’t understandable to the average reader. I refer in particular to “Snow Blow: Image of Mount Everest from orbit captures enormous plume” (SN: 12/4/04, p. 358). It states that “weather models suggest winds atop the peak exceeded 50 meters […]
By Science News - Tech
Detecting life on Mars
A new device could look for life on Mars by analyzing the geometric traits of amino acids in soil.
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Drugs lengthen worm’s life span
A class of antiseizure drugs significantly extends the life span of roundworms, a finding that could lead to better understanding of factors that influence aging in people.
- Earth
Ice age hit Missouri 2.4 million years ago
Analyses of a soil sample from central Missouri suggest the date of onset of North America's most recent spate of ice ages.
By Sid Perkins - Earth
Ozone saps toads’ immune systems
In amphibians, ozone damages immune function in the lungs, suggesting a possible new contributor to worldwide amphibian declines.
By Janet Raloff - Math
Hospitals motivated to skimp on infection control
A new mathematical model suggests that the presence of nearby hospitals may give a hospital an economic incentive to relax its infection-control efforts.
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A new test for Alzheimer’s risk?
Failure in visual short-term memory of objects, called iconic memory, could be a warning sign of Alzheimer's disease.
By Nathan Seppa - Astronomy
Hubble views bar in galaxy
The Hubble Space Telescope has captured a strikingly detailed image of the starlit arms, glowing gas, and dark dust clouds of a barred spiral galaxy called NGC 1300, which lies 69 million light-years from Earth.
By Ron Cowen - Health & Medicine
A drink a day might keep fuzzy thinking away
One alcoholic drink per day can stave off mental decline in elderly women.
By Nathan Seppa - Health & Medicine
Dangerous Practices
Pharmaceutical companies' overaggressive marketing of risky drugs, compounded by conflicts of interest among physicians and government agencies, is hurting public safety, some researchers assert.
By Ben Harder -
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A glaring omission in this article is the obvious impact that direct marketing of prescription medications to the general public, mostly via television, has had in swelling the number of people taking superfluous medications. Stephen J. LevineRiver Edge, N.J.
By Science News