News
- Humans
Intel Science Talent Search names top 40 finalists
More than 1,800 high school students entered the 2012 competition.
- Life
Archaeopteryx wore black
Microscopic structures in an iconic fossil feather suggest that it was the color of a crow.
- 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.
- Health & Medicine
Social friction tied to inflammation
Negative interactions with others or stressful competition for another’s attention seem to have risky biological effects on an individual.
- Health & Medicine
Turn off, tune in, drop out
Magic mushrooms reduce blood flow to parts of the brain responsible for sense of self.
- Life
Chemo 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.
- Humans
Election night numbers can signal fraud
Wealth of high-turnout blowouts in Russia’s 2011 parliamentary contest strongly suggests ballot stuffing, an analysis concludes.
- Climate
Amazon may become greenhouse gas emitter
South America’s massive rain forest may soon release more carbon into the atmosphere than it absorbs.
- Life
Boxwood blight invades North America
The devastating fungus has already stripped shrubbery down to sticks in Europe and New Zealand.
- Humans
Junk food in schools gets weighty reprieve
Disputed data suggest that non-nutritious eats sold on-site don’t fatten kids.
- Health & Medicine
Mineral quashes deadly bacterial poisons
Manganese supplement might someday help counter a virulent form of E. coli.
- Health & Medicine
Proteins 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.
