News
- 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
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.
- Health & Medicine
A surprise makes memories wobbly
Drug that interferes with recollection works only when people face the unexpected.
- Life
Antianxiety drugs affect fish, too
Perch swim more and eat faster when exposed to concentrations of an antianxiety medication found in rivers.
- Humans
Newborn babies walk the walk
Infants strut a runway wearing electrodes to show how the walking reflex works.
- Animals
Sea slug carries disposable penis, plus spares
A hermaphroditic gastropod sheds its penis after one use, then uncoils another.
- Health & Medicine
To develop male behavior, rats need immune cells
Research reveals unexpected role for cells called microglia in shaping the brain.
- Health & Medicine
Compound linked to IVF success
Women with high blood concentrations of anti-Müllerian hormone were more likely to conceive and give birth after in vitro fertilization.
- Health & Medicine
U.S. breast-feeding rates up
Between 2000 and 2008, the fraction of women breast-feeding babies increased, as did the fraction breast-feeding for a year.
- Humans
In research, it matters whether you’re a man or a mouse
A study that compares trauma responses of mice with those in people questions the relevance of mouse research to human disease.
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