News
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Trilobites might have invented farming
A close look at fossils raises the possibility that a type of trilobite farmed bacteria.
By Susan Milius -
Weevils pick on someone their own size
A horned weevil can't pick a real fight with a male too big for him because the bigger one can't get a good grip.
By Susan Milius -
Why is that wasp helping?
Researchers have found nests of a social insect with helpers that are neither close kin nor slaves.
By Susan Milius -
Energy-efficient brains
Successful problem solving depends on a brain that efficiently lessens its workload rather than laboring harder.
By Bruce Bower -
Checking up on abuse memories
An unusual trove of evidence in a criminal case supports the accuracy of recall of childhood sexual abuse.
By Bruce Bower - Astronomy
Gamma-ray craft plunges into Pacific
As planned, NASA's Compton Gamma Ray Observatory, which had detected some of the highest-energy radiation in the universe for 9 years, crashed into the Pacific Ocean on June 4.
By Ron Cowen - Astronomy
Stars’ wobbles reveal six more planets
Swiss astronomers have found indirect evidence of six additional planets that lie outside the solar system, bringing the tally to more than 40.
By Ron Cowen - Animals
Sibling Desperado: Doomed booby chick turns relentlessly violent
The first known case among nonhuman vertebrates of so-called desperado aggression—relentless attacks against an overwhelming force—may come from the underling chick in nests of brown boobies.
By Susan Milius - Health & Medicine
Huntington’s Advance: Drug limits disease effects in laboratory mice
A compound that inhibits enzymes that act as stop signs for genes counteracts the movement disorders brought on by Huntington's disease, a mouse study suggests.
By Nathan Seppa - Tech
Light Splash: Transparent pipes shape microstructures
A new technique using fluid dyes in microplumbing to create miniature fluid-carrying chips improves the 3-D topography of these microstructures and makes that topography relatively easy to modify.
By Peter Weiss - Materials Science
Natural Healing: Nanothread mesh could lead to novel bandages
A new material made from clot-promoting protein fibers may serve as a wound covering that speeds healing and never needs removing.
- Health & Medicine
Montezuma’s Welcome Revenge? Bacterial toxin may fend off colon cancer
A diarrhea-inducing toxin from some strains of the common gut bacterium E. coli stifles colon cancer cell growth and may lead to new treatments.