Uncategorized
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SpaceNew window on the high-energy universe
New telescope finds strange behavior in gamma-ray bursts, and also documents the highest energy burst known.
By Ron Cowen -
TechCatalyst knocks out a smog maker
Unique system could help truckers meet new emissions standards.
By Janet Raloff -
PlantsAnimals’ jaundice pigment found in plants
Bilirubin, a compound well known in animals, gives seed fuzz its intense orange.
By Susan Milius -
PhysicsPhysics could unite plankton
Oceanic version of wind shear can disorient marine microorganisms and trigger formation of thin, densely populated layers.
By Sid Perkins -
LifeAnti-aging: A little stress may keep cells youthful
The aging-related Sirtuin 1 protein also regulates heat shock response, a mechanism cells use to combat stress.
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Health & MedicinePossible genetic flag for brain cancer
Mutations in IDH genes show up in many brain cancers, but the genes’ role remains unclear.
By Nathan Seppa -
ClimateHot carbon storage
New field studies show Africa’s tropical forests have stored carbon in recent decades.
By Sid Perkins -
PsychologyDon’t worry, get attention training
New studies suggest that a short course of attention training offers as much relief to sufferers of two common anxiety disorders as psychotherapy or medication.
By Bruce Bower -
SpaceGalaxy mix: No dark matter required
New ultraviolet observations suggest dwarf galaxies may form without dark matter. The findings have implications for the early universe.
By Ron Cowen -
AstronomyA green visitor makes its approach
Comet Lulin, which passes closest to Earth on February 24, may be a sight for sore eyes.
By Ron Cowen -
AgriculturePredators zoom in on lice-infested salmon
New research reveals another impact of fish farming on wild stocks.
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Health & MedicineBullies’ brains empathize, but with a twist
Brain imaging studies show teens with aggressive conduct disorder display greater brain activity while viewing video of others in pain.