Minggu, 28 Agustus 2011

ScienceDaily Top Science Headlines -- for Sunday, August 28, 2011

ScienceDaily Top Science Headlines

for Sunday, August 28, 2011

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Possible biological control discovered for pathogen devastating amphibians (August 27, 2011) -- Zoologists have discovered that a freshwater species of zooplankton will eat a fungal pathogen which is devastating amphibian populations around the world. It could provide a desperately needed tool for biological control of this deadly fungus. ... > full story

Could a tumor suppressor also fight obesity? Research reveals hormone receptor GCC's role in appetite (August 27, 2011) -- The hormone receptor guanylyl cyclase C (GCC) has been established as a suppressor of colorectal cancer tumors, but new evidence suggests it may also help fight one of the country's biggest pandemics: obesity. ... > full story

Atomic clock with the world's best long-term accuracy is revealed after evaluation (August 27, 2011) -- A clock in the UK is the most accurate long-term timekeeper in the world, reveals a new study. ... > full story

Novel control of Dengue fever (August 27, 2011) -- The spread of Dengue fever in northern Australia may be controlled by a bacterium that infects mosquitoes that harbor the virus, researchers report. ... > full story

Molecular chaperones traffic signaling proteins between cells in plant stem-cell maintenance pathway (August 27, 2011) -- Plant biologists have discovered that proteins called chaperonins are an indispensable factor in making possible cell-to-cell trafficking of signals that maintain stem cells and enable plants to grow. ... > full story

First glimpse into birth of the Milky Way (August 27, 2011) -- For almost 20 years astrophysicists have been trying to recreate the formation of spiral galaxies such as our Milky Way realistically. Now astrophysicists and astronomers present the world's first realistic simulation of the formation of our home galaxy. The new results show that there had to be stars on the outer edge of the Milky Way. ... > full story

Wide gap in immune responses of people exposed to the flu (August 27, 2011) -- Why do some folks who take every precaution still get the flu, while others never even get the sniffles? It comes down to a person's immune system response to the flu virus, according to new research. In one of the first known studies of its kind, researchers used genomics to begin to unravel what in our complex genomic data accounts for why some get sick while others don't. ... > full story

Florida's reefs cannot endure a 'cold snap' (August 27, 2011) -- Florida's corals dropped in numbers due to unseasonably cold weather conditions in 2010. The chilly January temperatures caused the most catastrophic loss of corals within the Florida Reef Tract, which spans 160 miles (260 kilometers) from Miami to the Dry Tortugas and is the only living barrier reef in the continental U.S. ... > full story

Greater impact of chemotherapy on fertility (August 27, 2011) -- Current estimates of the impact of chemotherapy on women's reproductive health are too low, according to a new study. The researchers say their analysis of the age-specific, long-term effects of chemotherapy provides new insights that will help patients and clinicians make more informed decisions about future reproductive options, such as egg harvesting. ... > full story

Summer drought limits the positive effects of CO<sub>2</sub> and heat on plant growth in future climate (August 27, 2011) -- Summer drought limits the positive effects of carbon dioxide and heat on plant growth in future climate. Although the rain this summer has been pouring down over Denmark, most scientists agree that global temperature increases will intensify periods with summer drought already in 2075. ... > full story

Building a better antipsychotic drug by treating schizophrenia's cause: How drugs act on dopamine-producing neurons (August 27, 2011) -- Researchers have discovered that antipsychotic drugs work akin to a Rube Goldberg machine -- that is, they suppress something that in turn suppresses the bad effects of schizophrenia, but not the exact cause itself. In a new paper, they say that pinpointing what's actually causing the problem could lead to better avenues of schizophrenia treatment that more directly and efficiently target the disease. ... > full story

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


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