News
-
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.
By Peter Weiss -
Archaeology
Vase shows that ancients dug fossils, too
A painting on an ancient Corinthian vase may be the first record of a fossil find.
-
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.
By Susan Milius -
Shotgun approach bags the fruit fly genome
Scientists announced the completion of the Drosophila genome-sequencing project.
-
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.
By Nathan Seppa -
All about Me: Left brain may shine spotlight on self
Experiments with a split-brain patient suggest that left-hemisphere structures contribute to the conscious understanding of oneself.
By Bruce Bower -
Animals
What’s the Mane Point? Foes and females both have role
The condition of a lion's mane apparently advertises high-quality mates to picky females and wards off male adversaries.
-
Materials Science
A Cut above the Ordinary: Low-tech machining yields coveted nanostructure
A new finding that machining of metals imparts a hard, fine-grained structure to turnings and other scraps may lead to less costly but more durable parts for cars and other applications.
By Peter Weiss -
Physics
Peer Pressure in Numbers: Physicists model the power of social sway
A mathematical model of peer-influenced behavior may help explain some unexpected patterns that have been observed in financial data and bird populations.
By Kristin Cobb -
Planetary Science
Lost in Space: Comet mission appears to have broken apart
A spacecraft that had just begun its journey to two comets has fallen silent and may have broken apart.
By Ron Cowen -
Earth
Global Impact: Space object may have spread debris worldwide
Sediments laid down about 3.47 billion years ago in what are now western Australia and eastern South Africa contain remnants of what may have been an extraterrestrial-object impact large enough to disperse debris over the entire planet.
By Sid Perkins -
Anthrax Stopper: Viral enzyme detects, kills bacterium
A virus that preys upon the anthrax bacterium produces an enzyme that can be exploited to detect and kill the biowarfare agent.
By John Travis