News
- Health & Medicine
Ominous drug-resistance hints appear
The first signs of partial resistance to an important class of drugs called quinolones have appeared in Haemophilus influenzae, a bacterium that can cause pneumonia and meningitis.
- Earth
Bolts from the blue can have long reach
Current U.S. Air Force operating procedures recommend personnel stop working outdoors when lightning is spotted within 5 nautical miles, but a new analysis suggests that this distance may not be adequate to fully protect aircraft and ground crews.
- Earth
Southeastern Alaska is on the rebound
Scientists using the Global Positioning System to track ground movement along faults in southeastern Alaska have measured something entirely different—the rapid rise of parts of the region due to the recent melting of glaciers.
- Earth
Global warming to boost cotton yields
The increase of carbon dioxide expected in the coming decades may boost cotton yields up to 26 percent, new models predict.
- Earth
Toxic metals taint ancient dust
A new study of dust lofted to Antarctica suggests that excess amounts of trace metals coated dust grains long before human industrial activity began loading the atmosphere with pollutants.
- Earth
Turbulence leads to early rain of ash
A new aerodynamic analysis suggests that chaotic turbulence in a high-altitude cloud of volcanic ash can cause small particles of the ash to clump together and fall to the ground much closer to the volcano than expected.
- Health & Medicine
Garlic interferes with HIV drug
Garlic supplements interact negatively with a protease inhibitor medication taken by people infected with HIV.
- Health & Medicine
A glass of red may keep arteries loose
A newly uncovered effect of a compound abundant in red wines may provide the mechanism needed to explain how reds could outperform whites and rosés in reducing heart disease.
- Health & Medicine
Prenatal folate averts child leukemia
Even a little supplementary folate during pregnancy now appears to reduce the risk that the child will develop acute lymphoblastic leukemia.
- Astronomy
Sampling the sun
A spacecraft has begun a 30-month mission in which it will collect samples of the solar wind and bring them back to Earth.
- Astronomy
Watching a dying star transform
Astronomers have for the first time caught a dying star at the very beginning of a brief, shining period, when it's known as a planetary nebula.
-
For some heart patients, days are numbered
Cardiac deaths among Chinese and Japanese residents of the United States peak on the fourth day of each month, possibly due to psychological stress from their widespread belief that the number 4 is linked to death.
