Uncategorized
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Health & MedicineProtein may aid stroke recovery
Tests in mice have shown that erythropoietin, a red blood cell growth factor, can reverse brain damage caused by strokes.
By Nathan Seppa -
AstronomyHole power
New computer simulations and observations are adding to the evidence that supermassive black holes control the growth of the galaxies they inhabit, wielding an influence far beyond their gravitational grasp.
By Ron Cowen -
ArchaeologyPottery points to ‘mother culture’
The Olmec, a society that more than 3,000 years ago inhabited what is now Mexico's Gulf Coast, acted as a mother culture for communities located hundreds of miles away, according to a chemical analysis of pottery remains and local clays from ancient population sites in the area.
By Bruce Bower -
EarthBaking dirt to predict erosion after a fire
Lab tests suggest that a wide variety of soils exposed to the heat of intense wildfires end up with a similar resistance to erosion, a finding that may help scientists model that process more accurately.
By Sid Perkins -
Health & MedicineCell transplants make gains versus diabetes
Transplanting insulin-making cells from a single cadaver into people with type 1 diabetes can reverse the disease in some people.
By Nathan Seppa -
EarthWinged solution to biopollution?
Government officials have released alien moths in hopes that they will rein in the spread of an aggressive climbing fern now invading some 100,000 acres in south Florida.
By Janet Raloff -
Healing secret lies in blood
An unknown factor in blood may be the key to why young people and animals heal much faster than old ones do.
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Your article appears to suggest that healing of old people could be promoted by young people’s blood. Perhaps there is something to the Dracula story after all. Young people give blood for money. Anything known about the effect of transfusions on old people? Bill HawkinsMinneapolis, Minn. The mice in this experiment exchanged far more blood […]
By Science News -
EarthStraight Flush
Scientists are evaluating the results of the flood they unleashed in the Grand Canyon last November, hoping that it will restore sandbars and beaches along the Colorado River just downstream of Arizona's Glen Canyon Dam.
By Sid Perkins -
MathSuper Bowl Crashes
Should you stay off the road immediately after the Super Bowl telecast is over?
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HumansFrom the February 23, 1935, issue
A new type of "atom" gun, solar X rays, and crushing mineral ore.
By Science News -
PhysicsParticle Physics Phun
An array of games, such as Particle Pinball and Race for Energy, challenge visitors at a Web site hosted by the high-energy physics center known as the Fermi National Accelerator Laboratory. Aimed at kids, the “Fermilabyrinth” pages introduce players to a zoo of elementary particles while it exercises pattern-recognition skills that scientists use to spot […]
By Science News