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EarthWhat lies beneath
Studies of geology, soils and agricultural demand may prove useful in forecasting the climate effects of deforestation.
By Janet Raloff -
EarthNot in this toad’s backyard
Yellow crazy ants meet a hungry obstacle as they spread into cacao plantations.
By Susan Milius -
Health & MedicineStudy clarifies obesity-infertility link
In female mice, high insulin levels cause a disruptive flood of fertility hormones.
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EcosystemsNo ‘dead zone’ from BP oil
As aquatic microbes dine, they consume oxygen. When too many congregate at some temporary smorgasbord of goodies, they can use up so much oxygen that a so-called dead zone develops — water with too little oxygen to sustain fish, mammals or shellfish. On Sept. 7, federal scientists reported that despite the massive release of oil from the damaged BP well in the Gulf of Mexico, no such dead zone developed.
By Janet Raloff -
ChemistryLight-harvesting complexes do it themselves
A new technique could yield solar cells with no repair or assembly required.
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SpaceChanging one of nature’s constants
A controversial new study suggests that an immutable value that governs the strength of the electromagnetic force varies along different directions.
By Ron Cowen -
LifeMicrobe’s survival manual
Researchers have uncovered how D. radiodurans can withstand extreme radiation.
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HumansDVDs don’t turn toddlers into vocabulary Einsteins
Young children don’t learn words from a popular educational program, but some of their parents think they do.
By Bruce Bower -
PhysicsString theory entangled
Scientists forge an intriguing mathematical link between black holes and the physics of the very small.
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Health & MedicineGloves may head off ‘garden’ variety pneumonia
Compost feels so good, sifting through a gardener’s fingers. Unfortunately, data are showing, this soil amendment can host a germ responsible for Legionnaire’s disease, a potentially serious form of pneumonia.
By Janet Raloff -
EarthGeomagnetic field flip-flops in a flash
Rocks in Nevada preserve evidence of superfast changes in Earth’s magnetic polarity.
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Health & MedicineDiabetes drug might fight cancer
A widely prescribed medication with few side effects shows promise in both mice and humans.
By Nathan Seppa