News
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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 -
TechLiquid Logic: Tiny plumbing networks concoct and compute
By incorporating thousands of simple valves into microscopic networks of rubbery pipes and chambers, scientists have created fluid-manipulating microchips of unprecedented power.
By Peter Weiss -
Health & MedicineSideways Glance: Training helps people circumvent failing sight
Researchers have developed a rehabilitation regime that may enable many elderly people with age-related macular degeneration to improve their vision.
By Nathan Seppa -
Health & MedicineAnother Polio? Alarming West Nile fever risks emerge
Medical workers have found poliolike symptoms in a few victims of West Nile fever, and federal officials noted that blood transfusions appear to have infected some people.
By John Pickrell and Janet Raloff -
PlantsUnderground Hijinks: Thieving plants hack into biggest fungal network
For the first time, plants have been caught tapping into the most widespread of soil fungi networks and using it to steal food from green plants.
By Susan Milius