News
- Health & Medicine
Proteins mark ALS
Scientists reported finding what appears to be the first diagnostic test for Lou Gehrig's disease, potentially shaving a year off of when targeted treatment for the disease can begin.
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Body’s sweet move can protect heart
Animal studies suggest that the body attempts to protect itself from heart attacks during brief periods of oxygen deprivation by temporarily modifying heart-muscle proteins.
- Health & Medicine
Experimental drug boosts HDL counts
An experimental drug can dramatically increase blood concentrations of high-density lipoprotein, the beneficial cholesterol.
- Earth
Hurricanes churn up life-nurturing brews
Images of the North Atlantic taken from orbit suggest that hurricanes churn the ocean's surface enough to bring cool, nutrient-rich waters to the surface, thereby stimulating algal blooms that can last for weeks.
- Health & Medicine
CT scan no match for colonoscopy
Colonoscopy is better at detecting potentially dangerous colon polyps than computed tomography scanning is.
- Planetary Science
Rovers in overtime
NASA has extended the missions of the twin Mars rovers by 5 months, through September 2004.
- Astronomy
Puzzle on the Edge: The moon that isn’t there
Contrary to predictions, Sedna, the most distant object known in the solar system, does not appear to have a moon.
- Materials Science
Crafty Carriers: Armoring vesicles for more precise and reliable drug delivery
Materials scientists are designing tough, microscopic drug-delivery vesicles that could reach their targets intact and release their cargoes on cue.
- Health & Medicine
Zapping Wayward Cells: Therapy sheds light on transplant complication
Ultraviolet light can curb graft-versus-host disease, a common complication of bone marrow transplants, a study of mice shows.
- Math
Primal Progress: Pattern hunters spy order among prime numbers
The population of prime numbers includes an infinite collection of arithmetic progressions.
- Earth
Lava Life: Hints of microbes in ancient ocean rocks
Microscopic, carbon-lined tubes in lava that erupted onto the ocean floor about 3.5 billion years ago were etched by microbes, a number of signs suggest.
- Physics
Photon Double Whammy: Careening electrons may rev up solar cells
A newfound cue ball effect in nanometer-scale crystals of a semiconductor compound may lead to highly efficient solar cells made from such nanocrystals.
