News
- Tech
Catalyst knocks out a smog maker
Unique system could help truckers meet new emissions standards.
By Janet Raloff - Plants
Animals’ jaundice pigment found in plants
Bilirubin, a compound well known in animals, gives seed fuzz its intense orange.
By Susan Milius - Physics
Physics could unite plankton
Oceanic version of wind shear can disorient marine microorganisms and trigger formation of thin, densely populated layers.
By Sid Perkins - Life
Anti-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.
- Health & Medicine
Possible genetic flag for brain cancer
Mutations in IDH genes show up in many brain cancers, but the genes’ role remains unclear.
By Nathan Seppa - Climate
Hot carbon storage
New field studies show Africa’s tropical forests have stored carbon in recent decades.
By Sid Perkins - Psychology
Don’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 - Space
Galaxy 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 - Astronomy
A 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 - Agriculture
Predators zoom in on lice-infested salmon
New research reveals another impact of fish farming on wild stocks.
- Health & Medicine
Bullies’ 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.
- Health & Medicine
MRSA has its day in the sun
Beachgoers may be exposed to antibiotic-resistant microbe strain in sea and sand, but there appears to be no link to infection.