Uncategorized
-
LifeMelting Arctic may make algae flourish
More sunlight penetrates thinning Arctic sea ice, enabling algal growth.
By Erin Wayman -
Health & MedicineA surprise makes memories wobbly
Drug that interferes with recollection works only when people face the unexpected.
-
LifeAntianxiety drugs affect fish, too
Perch swim more and eat faster when exposed to concentrations of an antianxiety medication found in rivers.
By Erin Wayman -
Health & MedicineSmoking ban cuts preterm births
Belgium sees drop in preterm births after initiating no-smoking policies.
By Nathan Seppa -
LifeDiversity breeds disease resistance in frogs
Species-rich amphibian communities prove better at fending off limb-deforming parasitic infections.
-
ChemistryBitter and sour taste detectors also say, ‘too salty’
Mice that can’t sense the two tastes find high sodium attractive.
-
HumansNewborn babies walk the walk
Infants strut a runway wearing electrodes to show how the walking reflex works.
-
AnimalsSea slug carries disposable penis, plus spares
A hermaphroditic gastropod sheds its penis after one use, then uncoils another.
By Susan Milius -
Health & MedicineTo develop male behavior, rats need immune cells
Research reveals unexpected role for cells called microglia in shaping the brain.
-
Health & MedicineCompound 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.
By Nathan Seppa -
Health & MedicineU.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.
By Nathan Seppa -
HumansIn 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.