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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.