News
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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.
- Earth
Prenatal exposures affect sperm later
Boys exposed in the womb to hormone-mimicking pollutants may mature into men who produce impaired sperm.
- Earth
Toxic color TVs and computer monitors
High concentrations of lead can leach from the X-ray-filtering glass used in picture tubes, suggesting that this glass should be treated as hazardous waste.
- Health & Medicine
Firms vie to treat genetic disease
Successful treatment of Fabry's disease—a rare, fatal genetic condition—prompts a law suit.
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Milked enzyme thwarts muscle disorder
Using an enzyme made in rabbit's milk, scientists have successfully treated a rare genetic disorder.
- Planetary Science
New moons for Saturn
Astronomers reported the discovery of four new moons orbiting Saturn.
- Planetary Science
Threat to Titan mission deepens
If a communications problem between the Huygens probe and its mother craft is not corrected, as much as two-thirds of the data gathered by the probe during its 2004 descent through Titan's atmosphere could be lost.
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Two aspects of sleep share a master
A molecular connection between the timing of sleep—a part of circadian rhythms—and how long animals slumber each day is demonstrated for the first time.
