News
- Space
Mars rover Spirit still running, but only in place
Six years into its 90-day mission, NASA’s rover becomes a lander
- Health & Medicine
Millions 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 - Chemistry
New material sops up radioactive cesium
Isotope catcher could safely store waste from power plants.
- Humans
Teacher 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 - Humans
Common stain repellent linked to thyroid disease
Long-term health study shows connection with blood levels of perfluorooctanoic acid.
- Physics
Quantum computer simulates hydrogen molecule just right
Team builds device that uses two photons to calculate electron energies.
- Earth
Tsunamis could telegraph their imminent arrival
Telecommunication cables could give early warnings of giant waves.
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Crop irrigation could be cooling Midwest
A recent drop in summer highs may be linked to greater moisture from the Great Plains.
By Sid Perkins - Math
Slime mold is master network engineer
Single-cell organism develops food distribution system that is as efficient as the Tokyo rail system; inspires new math model for designing dynamic systems.
- Life
MRSA bacterial strain mutates quickly as it spreads
Antibiotic-resistant microbe's detailed family tree reveals roots of the global infection.
- Life
Protein may be new target for obesity, diabetes therapies
Molecule regulates flip of a metabolic switch, helps determine how the body uses glucose.
- Materials Science
Breakup doesn’t keep hydrogel down
Scientists create a new material that is strong, soft and self-healing.