News
- Earth
September’s Science: Shutdown of airlines aided contrail studies
The shutdown of commerical aviation within the United States for 3 days after Sept. 11, 2001, provided scientists with a unique opportunity to study the influence of high-flying jet aircraft on Earth's climate.
- Health & Medicine
Could nicotine patch fight depression?
Chronic nicotine administration blocked a symptom of depression in an animal model of the disease.
- Health & Medicine
Fetal stress begets adult hypertension
Intense stress during pregnancy may program the baby's development in ways that foster high blood pressure during adulthood.
- Health & Medicine
With this bait, TB won’t play possum
An oral tuberculosis vaccine, designed to help curtail the spread of the disease in wildlife populations, may also find use in people.
- Astronomy
Physics-astronomy merger wins big
A new report recommends fostering the extraordinary collaboration taking place between particle physics and astronomy.
- Physics
Detector spots solar chameleons
A new measurement of the sun's emission of ghostly neutrinos indicates that the prevailing theory of particle physics needs repair.
- Health & Medicine
No benefit from screening
Two large studies confirm that a urine test for a common childhood cancer—neuroblastoma—offers no benefit.
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Boys take a tumble
A long-term study of children from grades 1 through 12 finds a disturbing tendency for boys to report much larger declines in appraisals of their academic abilities than do girls.
- Astronomy
Sharper Images: New Hubble camera goes the distance
Astronomers have unveiled a picture of the distant universe that ranks as the sharpest and most detailed ever recorded.
- Health & Medicine
Cancer Link Cooks Up Doubt: Heating may form potential carcinogen in food
Foods cooked at high temperatures contain large concentrations of acrylamide, a compound suspected to cause cancer in people, but researchers are cautious about acting on preliminary, unpublished data.
- Astronomy
Faded Stars Get New Role: Hubble takes a long look
By setting their sights on the galaxy's faintest stars, scientists have calculated the universe's age to be between 13 billion and 14 billion years old.
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All Cried Out: Major depression puts lid on tears
A new study suggests that depressed individuals cry no more often in response to a sad situation than nondepressed people do.
