Uncategorized
- Astronomy
No signal from Mars Polar Lander
A radio signal that NASA hoped came from the vanished Mars Polar Lander has a terrestrial origin, scientists from the space agency and Stanford University have concluded.
- Astronomy
Super fireworks
A blast wave from supernova 1987A, the brightest stellar explosion witnessed from Earth since 1604, has begun lighting up a ring of gas surrounding the explosion.
- Health & Medicine
Hear, Hear
A 14-year study of twin babies shows definitively for the first time that there's a link between middle ear infections and heredity.
- Earth
Climate’s Long-Lost Twin
New geological evidence suggests that humans have started exploiting fossil fuels and altering Earth's atmosphere at precisely the moment when greenhouse gases could do the most damage to climate.
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Genes to Grow On
Researchers studying children with Williams syndrome say that the unusual condition emerges through a developmental process that's influenced but not predetermined by a genetic defect.
- Health & Medicine
Marrow Can Hide Breast Cancer Cells
Breast cancer patients who have stray cancer cells in bone marrow are more likely to die of cancer or have a recurrence of cancer elsewhere in the body than are breast cancer patients not harboring such cells.
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Shotgun approach bags the fruit fly genome
Scientists announced the completion of the Drosophila genome-sequencing project.
- Animals
New frog-killing disease may not be so new
The skin disease that savaged amphibians in remote wildernesses in the 1990s has been linked to outbreaks in the 1970s.
- Archaeology
Vase shows that ancients dug fossils, too
A painting on an ancient Corinthian vase may be the first record of a fossil find.
- Physics
Manhandled molecules, midget memories
A thick coating of organic chemicals can record information at densities potentially a million times greater than is possible with current compact disk technology.
- Chemistry
Power plants: Algae churn out hydrogen
Green algae can produce hydrogen, a clean-burning fuel that could one day power pollution-free cars.
- Astronomy
Votes cast for and against the WIMP factor
Physicists this week duked it out over a bunch of WIMPs, elementary particles that—if they exist—could solve a decades-old mystery in cosmology and help unify the four fundamental forces of nature.
