News
- Earth
Intensive care linked to BPA exposure in newborns
High levels of pollutant BPA occur in sickest babies, study finds.
- Life
Bees learn the electric buzz of flowers
Floral electric fields could join color and fragrance as cues to pollinators.
- Life
Chill turns monarchs north
Temperature manipulation appears to solve mystery of what triggers migratory butterflies’ homeward trip.
- Health & Medicine
Surgery shows promise in treating persistent heartburn
Ring-shaped device around esophagus prevents acid reflux so that patients can stop taking drugs.
- 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.
- 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.
