Uncategorized
- Health & Medicine
Smoking damages mouse brains
Signs of Alzheimer’s disease appear after the rodents breathe cigarette smoke.
- Tech
Imaging technique offers look inside hearing loss
Two-photon microscopy visualizes hair cells in the inner ear, offering insights into processes leading to deafness.
- Humans
Origins of alcohol consumption traced to ape ancestor
Eating fermented fruit off the ground may have paved way for ability to digest ethanol.
- Earth
Blood levels of BPA become source of controversy
New data question whether human blood measurements of BPA reflect sample contamination or just exaggerated exposures.
- Earth
Aquatic predators affect carbon-storing plant life
Freshwater predator species can prevent the overgrazing of plants that suck up carbon dioxide from the atmosphere.
- Life
Bird, human tweets come from similar parts of the brain
Genetics study finds parallels in birdsong and language.
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2013 AAAS meeting
Highlights from the annual meeting of the American Association for the Advancement of Science, Boston, February 14-18, 2013.
- Astronomy
Russia meteor virtually impossible to see coming
Current and planned efforts to track near-Earth objects focus on bigger quarry.
- Science & Society
Science News at the 2013 AAAS meeting
A round-up of Science News coverage of the meeting of the American Association for the Advancement of Science held February 14–18, 2013 in Boston.
- Planetary Science
Meteor explodes over Russia
The object is unrelated to February 15 asteroid flyby, experts say.
- Space
Supernovas are cosmic ray factories
Supernova remnants provide evidence that these intense stellar explosions send cosmic rays hurtling through the galaxy.
- Space
Uncertainty at a grand scale
A test of Heisenberg’s principle, on a scale visible to the naked eye, may aid the search for gravitational waves.
