News
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LifeArchaeopteryx wore black
Microscopic structures in an iconic fossil feather suggest that it was the color of a crow.
By Susan Milius -
Earth‘Nonstick’ pollutants may cut efficiency of vaccines in kids
Antibodies from immunizations are halved among children with the highest exposure levels to common chemicals.
By Janet Raloff -
Health & MedicineSocial friction tied to inflammation
Negative interactions with others or stressful competition for another’s attention seem to have risky biological effects on an individual.
By Nathan Seppa -
Health & MedicineTurn off, tune in, drop out
Magic mushrooms reduce blood flow to parts of the brain responsible for sense of self.
By Devin Powell -
LifeChemo drug drives growth of some tumors
A common treatment stimulates the growth of cells that give rise to ovarian cancer, but researchers may have a fix.
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HumansElection night numbers can signal fraud
Wealth of high-turnout blowouts in Russia’s 2011 parliamentary contest strongly suggests ballot stuffing, an analysis concludes.
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ClimateAmazon may become greenhouse gas emitter
South America’s massive rain forest may soon release more carbon into the atmosphere than it absorbs.
By Devin Powell -
LifeBoxwood blight invades North America
The devastating fungus has already stripped shrubbery down to sticks in Europe and New Zealand.
By Susan Milius -
HumansJunk food in schools gets weighty reprieve
Disputed data suggest that non-nutritious eats sold on-site don’t fatten kids.
By Bruce Bower -
Health & MedicineMineral quashes deadly bacterial poisons
Manganese supplement might someday help counter a virulent form of E. coli.
By Janet Raloff -
Health & MedicineProteins may warn of diabetic kidney disease risk
Patients who have high levels of compounds called TNF receptors in their blood have a heightened risk of developing renal failure, two studies suggest.
By Nathan Seppa -
HumansSeaweed study fuels bioenergy enthusiasm
Munched by a manipulated microbe, ocean algae readily yield ethanol.