All Stories
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SpaceMoon shrinks
New pictures expand evidence of the moon’s shrinkage over the past billion years.
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PlantsChlorophyll gets an ‘f’
New variety of photosynthetic pigment is the first to be discovered in 60 years
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Planetary ScienceWorldwide slowdown in plant carbon uptake
A decade of droughts has stifled the increasing growth of terrestrial vegetation.
By Sid Perkins -
LifeGene profiles may predict TB prognosis
A molecular profile may help doctors predict who will get sick from TB infections.
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EarthTsunami triggered by one-two punch
Geologists report the first recorded observation of an unusual earthquake sequence.
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Health & MedicineTraffic 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 -
Health & MedicineTeen hearing loss rate worsens
The percentage of adolescents with some decline has increased since the 1990s, a study shows.
By Nathan Seppa -
EarthPerforated blobs may be early sponges
Odd shapes in Australian rocks could be the oldest fossil evidence of multicellular animals.
By Susan Milius -
AnthropologyGenome of a chief
Ancient DNA experts say they are analyzing a lock of Sitting Bull's hair.
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HumansMost prisoners come from few neighborhoods
As overall crime rates declined in the United States, certain poor communities fueled a dramatic rise in incarceration rates.
By Bruce Bower -
Health & MedicineThe high cost of diabetes
Although an estimated 7.8 percent of Americans have been diagnosed with diabetes, patients with this metabolic disease rack up 23 percent of hospital costs nationwide, a new federal analysis finds. Their collective hospital bill in 2008, the most recent year for which data were available: almost $83 billion.
By Janet Raloff