Uncategorized
- Health & Medicine
Taking age stereotypes to heart
A long-term investigation indicates that young and middle-aged adults who hold negative attitudes about the elderly are more likely to have heart ailments and strokes later in life.
- Space
Satellite collision: brief update on Hubble and debris
In an unprecedented collision, two large satellites crashed into each other in low-Earth orbit on February 10. The effect on a planned Hubble repair mission remains unclear.
- Space
New window on the high-energy universe
New telescope finds strange behavior in gamma-ray bursts, and also documents the highest energy burst known.
- Tech
Catalyst knocks out a smog maker
Unique system could help truckers meet new emissions standards.
- Plants
Animals’ jaundice pigment found in plants
Bilirubin, a compound well known in animals, gives seed fuzz its intense orange.
- Physics
Physics could unite plankton
Oceanic version of wind shear can disorient marine microorganisms and trigger formation of thin, densely populated layers.
- 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.
- Climate
Hot carbon storage
New field studies show Africa’s tropical forests have stored carbon in recent decades.
- 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.
- 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.
- Astronomy
A green visitor makes its approach
Comet Lulin, which passes closest to Earth on February 24, may be a sight for sore eyes.
