Uncategorized
- Health & Medicine
Protein predicts prostate cancer spread
Prostate cancer patients who harbor high concentrations of a protein called thymosine beta-15 in their tumors face an increased risk that the cancer will spread.
- Health & Medicine
Chemotherapy baldness thwarted in rats
Scientists studying rats have now developed a medication that wards off chemotherapy-induced baldness.
- Astronomy
Observatory on a suicide mission
Fearing that its 9-year-old workhorse, the Compton Gamma Ray Observatory, could plunge uncontrollably through the atmosphere if one more of its gyroscopes fails, NASA has decided to crash the spacecraft into the Pacific Ocean in early June.
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The planet that isn’t
An astronomer has formally retracted her claim that she and her colleagues had likely taken the first image of a planet outside the solar system.
- Chemistry
Now, nylon comes in killer colors
Chemists are improving antibacterial fabrics by treating them with compounds that prolong their killing power and add color.
- Health & Medicine
Asthma pressure may shrink airways
Mechanical stress from constricting muscles could cause airway-lining cells to reproduce, eventually thickening the lining and narrowing the air passage.
- Animals
Music without Borders
When birds trill and whales woo-oo, we call it singing. Are we serious?
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- Archaeology
Early New World Settlers Rise in East
New evidence supports the view that people occupied a site in coastal Virginia at least 15,000 years ago.
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Colossal study shows amphibian woes
The largest amphibian data set ever crunched—936 populations in 37 countries—confirms global declines.
- Health & Medicine
Panel ups RDAs for some antioxidants
An Institute of Medicine panel reported that dietary antioxidants such as vitamins A and E can limit cellular damage from free radicals but warned that studies in people have never adequately established a direct connection between antioxidant consumption and prevention of chronic disease.
- Astronomy
Are solar eruptions triggered a loopy way?
Astronomers have identified a new solar mechanism that may explain some coronal mass ejections.
