Sabtu, 27 Agustus 2011

ScienceDaily Top Science Headlines -- for Saturday, August 27, 2011

ScienceDaily Top Science Headlines

for Saturday, August 27, 2011

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Could new drug cure nearly any viral infection? Technology shows promise against common cold, influenza and other ailments, researchers say (August 26, 2011) -- Most bacterial infections can be treated with antibiotics such as penicillin, discovered decades ago. However, such drugs are useless against viral infections, including influenza, the common cold, and deadly hemorrhagic fevers such as Ebola. Now, in a development that could transform how viral infections are treated, a team of researchers has designed a drug that can identify cells that have been infected by any type of virus, then kill those cells to terminate the infection. ... > full story

T-cell discovery holds promise for organ transplant and immunodeficiency treatment (August 26, 2011) -- Researchers have identified the calcium channel responsible for the activation of T-cells, one of the key elements of the immune system. ... > full story

Cars could run on recycled newspaper, scientists say (August 26, 2011) -- Here's one way that old-fashioned newsprint beats the Internet. Scientists have discovered a novel bacterial strain, dubbed "TU-103," that can use paper to produce butanol, a biofuel that can serve as a substitute for gasoline. They are currently experimenting with old editions of the Times Picayune, New Orleans' venerable daily newspaper, with great success. ... > full story

Omega-3s reduce stroke severity, study suggests (August 26, 2011) -- A diet rich in omega-3s reduces the severity of brain damage after a stroke, according to a new study. Researches have shown that the extent of brain damage following a stroke was reduced by 25 percent in mice that consumed DHA type omega-3s daily. ... > full story

Adapting to climate change with floating houses? (August 26, 2011) -- Climate change is redefining the rules by which we live and at a pace we never expected. Because of rising sea level, several areas of the globe are in danger of vanishing from the map, disappearing under water. Society must adapt and maybe, one day, live in floating houses in floating cities. ... > full story

Feeding the five thousand -- or was it three? Researchers claim most crowd estimations are unreliable (August 26, 2011) -- The public should view crowd estimation with skepticism, say the authors of a new study, as they suggest more reliable alternatives to current estimating methods. ... > full story

Exotic galaxy reveals tantalizing tale (August 26, 2011) -- A galaxy with a combination of characteristics never seen before is giving astronomers a tantalizing peek at processes they believe played key roles in the growth of galaxies and clusters of galaxies early in the history of the Universe. The galaxy, dubbed Speca by the team of researchers, is only the second spiral, as opposed to elliptical, galaxy known to produce large, powerful jets of subatomic particles moving at nearly the speed of light. It also is one of only two galaxies to show that such activity occurred in three separate episodes. ... > full story

Life expectancy success story (August 26, 2011) -- Increases in life expectancy, due to better quality of life and better health care, can be patchy, with the gap between rich and poor getting bigger as time goes on. However, a new report finds that the life expectancy for people living in deprived areas in Campinas, Brazil, is catching up, rising at three times the rate of people living in more affluent areas. ... > full story

Uncovering the spread of deadly cancer: New imaging device enables scientists to see tumor cells traveling in the brain (August 26, 2011) -- For the first time, scientists can see pathways to stop a deadly brain cancer in its tracks. Researchers have imaged individual cancer cells and the routes they travel as the tumor spreads. ... > full story

Breakthrough in genetics of fibroids (August 26, 2011) -- Uterine leiomyomas, also called fibroids, cause a very significant burden to women's health. Researchers have set out to study the genetic structure of fibroids by determining the sequence of all the human genes, in a series of 18 tumors. The study revealed very specific mutations in a gene called MED12, in as many of 70 percent of the studied tumors. ... > full story

Biological communities studied at historical WWII shipwrecks along North Carolina (August 26, 2011) -- In the waters off the North Carolina coast, historically-significant World War II submarines and shipwrecks rest on the seafloor, a testament to a relatively unknown chapter in US history. According to a new report, the shipwrecks are not only important for their cultural value, but also as habitat for a wide diversity of fishes, invertebrates and algal species. Additionally, due to their unique location within an important area for biological productivity, the shipwrecks are potential sites for examining community change. ... > full story

New score can tell doctors how long cancer patients have left to live (August 26, 2011) -- A new scoring system can more reliably predict whether patients with advanced cancer are likely to survive for "days", "weeks" or "months", a new study finds. ... > full story


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