News
- Earth
Yes, it’s asbestos
Federal mineralogists have corroborated earlier evidence that Sierra-foothills communities around Sacramento, Calif., are built atop soils naturally laced with asbestos.
By Janet Raloff - Animals
Guys Roll Eyes: Fish show some eyeball to their rivals
During breeding season, male fish roll their eyes to send a quick "Back off, punk" signal to other males, researchers say.
By Susan Milius -
Message Songs: Wild gibbons warble with a simple syntax
Gibbons, a line of apes in southeastern Asia, rearrange their songs in order to communicate with one another.
By Bruce Bower - Astronomy
Rocky Finding: Evidence of extrasolar asteroid belt
Astronomers have obtained some of the best evidence yet for an asteroid belt beyond the solar system.
By Ron Cowen - Health & Medicine
Better Blood: New tool removes agent of brain disease
Scientists have developed a device that filters from blood the mutant proteins that cause the human form of mad cow disease, an advance that may hold promise for increasing the safety of donated blood.
- Paleontology
Paleotrickery: A lengthy lineage for leaf-mimicking insects
Species in one group of insects have escaped the hungry eye of predators by looking like foliage and moving like swaying leaves for at least 47 million years, a new fossil find suggests.
By Sid Perkins - Tech
Loopy Light: Rings that delay photons may advance microchips
Chains of tiny, high-precision, light-conducting loops of silicon may open the door to using optical circuits to carry enormous data flows within computer chips.
By Peter Weiss - Health & Medicine
Bad to the Bone: Acid stoppers appear to have a downside
Popular acid-reducing drugs called proton-pump inhibitors may increase the risk of hip fractures in people over 50.
By Nathan Seppa - Humans
When budgeting for quakes, dig deep
If earthquakes that struck the United States since 1900 are any guide, the nation can expect to suffer seismic damages of about $2.5 billion dollars each year in the future.
By Sid Perkins - Earth
Scraping the bottom
A survey of deep waters in western Lake Superior has revealed the tracks left by massive icebergs scraping bottom there during the last ice age.
By Sid Perkins - Earth
Glaciers give major boost to sea level
The ongoing disappearance of glaciers and other small ice masses worldwide makes a larger contribution to sea level rise than the melting of ice sheets on Greenland and Antarctica does.
By Sid Perkins - Earth
Dating a massive undersea slide
Pieces of moss buried in debris left along the Norwegian coast by an ancient tsunami have enabled geologists to better determine the date of the immense underwater landslide that triggered the inundation.
By Sid Perkins