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Results 31 to 40 of 312 
Antibiotics unnecessarily prescribed for acute bronchitis
Antibiotics are routinely prescribed unnecessarily for acute bronchitis, according to
Virginia Commonwealth University findings published in today's issue of the New England
Journal of Medicine … 
Low-dose aspirin reduces cardiovascular events
… as well as the risk of dying, among patients who previously have had a heart
attack or stroke but whose cardiovascular disease has stabilized, according to a new
analysis by …
Pressured by predators, lizards see rapid shift in natural selection
… evolutionary biologists have shown that natural selection can turn on a dime --
within months -- as a population's needs change. In a study of island lizards exposed to a …
Nanotech tools yield DNA transcription breakthrough
Two papers in Science report new discoveries regarding transcription, significantly
advancing our understanding of the molecular machine that carries out the process. This
breakthrough sets the stage for new opportunities …
Fires in far northern forests to have cooling, not warming, effect
… a phenomenon that will spew a steadily increasing amount of carbon dioxide into
the atmosphere …
Science study explains polio's tenacious grip in India
… The study, whose authors include some of the experts heading the global polio
eradication effort, appears in the November 17 issue of the journal Science, published by
AAAS, the nonprofit …
Forest fires may lead to cooling of northern climate
Countering hypotheses that forest fires in Alaska, Canada and Siberia warm the climate,
scientists at UC Irvine have discovered that cooling may occur in areas where charred
trees expose more …
Potatoes developed for new markets
Whether they have a new, ruby red color, taste better or better resist insect attack for
purposes of organic production, researchers at Oregon State University are evaluating
thousands of potential …
JHU-led team discovers exotic relatives of protons and neutrons
A team of scientists has discovered two new subatomic particles, rare but important
relatives of the familiar, commonplace proton and neutron …
Geologists find new origins of Appalachian Mountains
Geologists have developed a new theory to explain how and when the Appalachian Mountain
range was created. Their research redraws the map of the planet from 420 million years ago …