Uncategorized
- Astronomy
Rethinking an Astronomical Icon
Examining the Eagle nebula's pillars of creation with infrared detectors, scientists are viewing an astronomical icon in a whole new light.
- Ecosystems
Are They Really Extinct?
A few optimists keep looking for species that might already have gone extinct.
- Health & Medicine
Fibroid Maladies
Every year, roughly 200,000 women in the United States get a hysterectomy–surgical removal of the uterus–to alleviate the pain and pressure of uterine fibroids. These noncancerous growths affect millions of women in child-bearing years. A good source of information on symptoms, treatments, surgical options, and possible causes is found at this site, compiled by the […]
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From the March 12, 1932, issue
UNEARTH NEW PORTRAIT OF KING TUT’S GIRL-WIFE A new portrait of the girl-wife of that well-known Egyptian pharaoh, Tutankhamon, has been unearthed from the ruins of Tel-el-Amarna, where the Egypt Exploration Society has been excavating. The portrait is a beautiful little head, with exquisitely modeled features. It is less than 2 inches long. Identity of […]
- Health & Medicine
Two steps forward, one step back
Just a few days after the National Institutes of Health announced it was canceling a large AIDS-vaccine trial, researchers reported preliminary results from a new vaccine that appears safe.
- Health & Medicine
New drugs help battle HIV
Three potential drugs in development rely on novel tactics for attacking the virus that causes AIDS.
- Health & Medicine
Genes predict allergies to drug
Genetic differences among people infected with HIV might help identify the 5 percent of patients who will suffer allergic reactions when given the antiretroviral drug abacavir.
- Health & Medicine
Is HAART hard on the heart?
Two studies came to opposite conclusions on whether multiple-drug regimens known as highly active antiretroviral therapy (HAART) for people with AIDS also contribute to heart trouble.
- Earth
Underground Soil Economy: Microbes hidden in the dirt react to UV boost
The community of soil microbes may live hidden in the ground, but it still changes when there's more ultraviolet radiation above.
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18996
In this article, Alan R. Templeton of Washington University used 10 sources of DNA for his geographic study of human origins. Peter A. Underhill of Stanford feels the population sampled was too small for statistical significance. How many would it take for an expanded version to be significant? Is there a chance such an enlarged […]
- Anthropology
DNA Diaspora: Humanity may share tangled genetic roots
A controversial new genetic analysis concludes that Homo sapiens evolved by expanding out of Africa in multiple waves beginning at least 600,000 years ago and then interbreeding, rather than totally replacing close relatives such as the Neandertals.
- Health & Medicine
Genetic Culprit: Mutation increases risk for uterine fibroids
Analysis of DNA from families whose women have been beset by uterine growths reveals a mutation that can predispose women to these so-called fibroids.
