Earth
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Chemistry
Deep-sea plumes: A rush to judgment?
A new report suggests a deep-sea plume of oil in the Gulf of Mexico has been gobbled up by microbes. But the scientist who described the incident doesn't "know" that. He can't — yet.
By Janet Raloff -
Chemistry
Deep-sea oil plume goes missing
Controversy arises over whether bacteria have completely gobbled oil up.
By Janet Raloff -
Earth
Most BP oil still pollutes the Gulf, scientists conclude
Below the surface, plumes of oil are proving slow to disperse and break down.
By Janet Raloff -
Planetary Science
Worldwide slowdown in plant carbon uptake
A decade of droughts has stifled the increasing growth of terrestrial vegetation.
By Sid Perkins -
Earth
Tsunami triggered by one-two punch
Geologists report the first recorded observation of an unusual earthquake sequence.
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Health & Medicine
Traffic may drive some people to diabetes
Urban air pollution — especially the particles and gases emitted by heavy traffic — can increase a senior citizen’s risk of developing type-2 diabetes, according to a new German study. If confirmed, its authors say, pollution would represent a “novel and potentially modifiable risk factor” for the metabolic disorder.
By Janet Raloff -
Earth
Perforated blobs may be early sponges
Odd shapes in Australian rocks could be the oldest fossil evidence of multicellular animals.
By Susan Milius -
Earth
Forest loss slows in Brazilian Amazon
Between 2004 and 2009, the rate of clearing dropped almost 75 percent.
By Sid Perkins -
Health & Medicine
‘Miracle’ tomato turns sour foods sweet
Pucker no more: That seems to be one objective of research underway at a host of Japanese universities. For the past several years, they’ve been developing bio-production systems to inexpensively churn out loads of miraculin — a natural taste-altering protein that makes sour foods seem oh so sweet. Their newest biotech reactor: grape tomatoes.
By Janet Raloff -
Earth
Rodent poop gauges ancient rains
The size of chinchilla pellets reveals past desert environment.
By Sid Perkins -
Health & Medicine
Chicken poses significant drug-resistant Salmonella threat
More than one-in-five retail samples of raw chicken collected in Pennsylvania hosted Salmonella, a new study found — twice the prevalence reported in a 2007 U.S. Food and Drug Administration survey. And where the bacteria were present, more than half were immune to the germicidal activity of at least one antibiotic. Nearly one-third were resistant to three or more.
By Janet Raloff