News
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Milestones for Malaria: Parasite, mosquito genes decoded
Unraveling the DNA of a malaria-causing parasite and of a mosquito that carries it may suggest new ways to combat the deadly disease.
By John Travis -
Health & MedicineLingering legacy of Sept. 11, 2001, on firefighters’ health
Of the New York firefighters involved in the rescue and recovery effort after last year's terrorist attacks, relatively few have developed chronic coughs and respiratory problems, but among those who did, the problems seem unusually severe.
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AstronomyThere’s life in the old galaxies yet
An unexpectedly large number of supermassive black holes in old galaxy clusters suggests these elderly groupings of galaxies aren't as quiescent as had been expected.
By Ron Cowen -
Materials ScienceCarbon nanotubes do some bonding
Researchers have welded together carbon nanotubes to make junctions that could be useful in the construction of tiny electronic devices.
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Health & MedicineChallenges in testing for West Nile virus
The Food and Drug Administration is trying to figure out how blood banks can detect signs of West Nile infection in blood donors and, eventually, test donated blood for the virus itself.
By Janet Raloff -
AnthropologyIceman mummy shares last meals
DNA analyses of food remains from the intestines of a 5,000-year-old mummified man found in Europe's Tyrolean Alps indicate that his last two meals included meat from mountain goats and red deer, as well as wild cereals.
By Bruce Bower -
TechBeads and glue defeat forgers
Researchers have devised a cheap, translucent material that, when embedded in credit cards and other items, would endow the items with unique identifiers that are almost impossible to tamper with or copy.
By Peter Weiss -
EarthModerate flows help carve rivers
Measurements of erosion in a rocky river channel in Taiwan suggest that the day-to-day flow of water accounts for more rock wear there than occasional catastrophic floods do.
By Sid Perkins -
Gene found for big, firm sheep rumps
Scientists have found the gene that gives sheep unusually big, muscular bottoms.
By Susan Milius -
TechCoal: The cool fuel for future jets
To power faster supersonic jets, scientists are developing coal-derived fuels that can absorb heat without breaking down at high temperatures.
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Health & MedicineAre varsity athletes prone to ALS?
A survey of patients treated for neurological problems reveals that those with amyotrophic lateral sclerosis (Lou Gehrig's disease) are more likely to have been varsity athletes and remained slim all their lives.
By Nathan Seppa -
Health & MedicineSurgery beats splints for wrist syndrome
Surgery proves better than nighttime splints for relieving the pain of carpal tunnel syndrome.
By Nathan Seppa