News
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Health & MedicineRunning barefoot blunts foot’s force
A new study finds that going shoeless tempers impact but can’t say whether this difference reduces injuries.
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EarthDinosaurs, in living color
Researchers find microscopic structures in some fossils that may have held pigments.
By Sid Perkins -
LifeFor pipefish, measly Mr. Mom needs help
In species with pregnant males, females may put something extra into eggs.
By Susan Milius -
LifeCarnations had evolutionary bloom boom in Europe
New species have evolved at a surprisingly rapid pace, new study suggests
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HumansAlgae as biofuel still rough around the edges
Sources of nutrients, carbon dioxide can make or break this potential renewable fuel heavyweight
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Health & MedicineSearing the heart for the better
Electrode-tipped catheter destroys heart tissue to stifle atrial fibrillation, sometimes performing better than meds, study shows.
By Nathan Seppa -
SpaceMars rover Spirit still running, but only in place
Six years into its 90-day mission, NASA’s rover becomes a lander
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Health & MedicineMillions of women at risk of malaria during pregnancy
Potential problems include undetected illness and anemia in mothers, stillbirth and low birth weight in newborns,
By Nathan Seppa -
ChemistryNew material sops up radioactive cesium
Isotope catcher could safely store waste from power plants.
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HumansTeacher anxieties may subtract from girls’ math scores
In first and second grade, female teachers’ insecurity with numbers may correlate to some girls’ doing poorly in math.
By Bruce Bower -
HumansCommon stain repellent linked to thyroid disease
Long-term health study shows connection with blood levels of perfluorooctanoic acid.