5,012 results
- Physics
Hints emerge of a four-quark particle
Previously observed only in twos, threes, and perhaps in fives, quarks and antiquarks in a newfound particle may have glommed together to form a never-before-seen foursome.
- Health & Medicine
Drug fails in autism study
In the most extensive test so far of its capability to treat autism, the controversial drug secretin has failed to help children with the neurological disorder.
- Health & Medicine
A Guggul Prescription for Drug Interactions
Herbal supplements made from myrrh compounds trigger biochemical reactions that can diminish the efficacy of many other prescription drugs an individual might be taking.
- Tech
Groovy Pictures: Extracting sound from images of old audio recordings
To preserve songs and words on antique vinyl records and wax cylinders, a new scanning technique maps their grooves, then simulates a stylus moving along those contours to extract high-quality sound.
- Tech
Frankenstein’s Chips
As evidence mounts that drug-safety trials can miss dangerous effects, scientists are building living, miniature models of animals and people to enhance drug and chemical tests.
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Waste Not: Proteins suggest ways to thwart muscle loss
Researchers have now revealed details of the biochemical signals that drive muscle atrophy.
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19299
This article could leave the impression that the evolutionary significant unit (ESU) is the de facto concept employed for all listing decisions under the Endangered Species Act. In fact, the ESU has not been used in the vast majority of recent listing decisions under the act. Nor should it be. The act allows the National […]
- Anthropology
Remnants of the Past
Sophisticated analyses suggest that some prehistoric peoples were highly skilled weavers.
- Physics
Photon Double Whammy: Careening electrons may rev up solar cells
A newfound cue ball effect in nanometer-scale crystals of a semiconductor compound may lead to highly efficient solar cells made from such nanocrystals.
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Do Antibodies Pack a Deadly Punch?
These immune molecules may directly kill, not just tag, microbes.
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Comfortably Numb
Scientists are finding the molecular targets of anesthetics.
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Insect receptor for sweat creates buzz
A sweat-sensing cell-surface protein allows female mosquitoes to target human skin.
