Current Event Articles: ScienceDaily Top Science Headlines -- for Saturday, July 17, 2010

Saturday, July 17, 2010

ScienceDaily Top Science Headlines -- for Saturday, July 17, 2010

ScienceDaily Top Science Headlines

for Saturday, July 17, 2010

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Astronomers discover an unusual cosmic lens (July 16, 2010) -- Astronomers have discovered the first known case of a distant galaxy being magnified by a quasar acting as a gravitational lens. ... > full story

Improving clinical use of stem cells to repair heart damage (July 16, 2010) -- Researchers have presented a new approach to treating heart attack and cardiomyopathy using stem cells. The team has discovered a way to identify heart stem cells so as to purify them for transplant. ... > full story

Cancer drugs may help stop major parasite (July 16, 2010) -- A parasite estimated to afflict as many as 12 million people worldwide relies on a family of genes that should make it vulnerable to compounds developed to treat cancer and other disorders, researchers have found. ... > full story

New method of tissue banking makes gene analysis more practical for lung cancer (July 16, 2010) -- Analyzing the genes expressed by cancer cells allows for a better understanding of that patient's specific disease and in turn, a more personalized approach to treatment. But obtaining the RNA from a tumor in the lungs in order to conduct the genetic analysis is a challenging prospect. Currently, lung cancer researchers are limited to using RNA extracted from early-stage tumors removed during surgery. ... > full story

Fungi's genetic sabotage in wheat discovered (July 16, 2010) -- Using molecular techniques, scientists have shown how the subversion of a single gene in wheat by two fungal foes triggers a kind of cellular suicide in the grain crop's leaves. ... > full story

Studies explore effects of war on former child soldiers (July 16, 2010) -- Two studies found that how child soldiers adapt upon returning home depends on the communities they return to. The first study, of 150 former child soldiers in Sierra Leone, found that children who lived in communities where they felt accepted were less depressed and more confident. The second study, of 330 former Ugandan child soldiers, found that the most resilient children were those who returned to less violent communities and better family socioeconomic situations. ... > full story

Mice cages can alter rodents’ brains and skew research results, study finds (July 16, 2010) -- Researchers have found that the type of cage lab mice are kept in can physically change their brains and dramatically alter test data. ... > full story

New discovery brings hope to treatment of incurable blood cancer (July 16, 2010) -- Multiple myeloma is one of the most common blood cancers, and at present considered to be incurable. Researchers now present a conceptually new model for the development and progression of multiple myeloma. ... > full story

Old theory of phytoplankton growth overturned, raise concerns for ocean productivity (July 16, 2010) -- A new study concludes that an old, fundamental and widely accepted theory of how and why phytoplankton bloom in the oceans is incorrect. The findings challenge more than 50 years of conventional wisdom about the growth of phytoplankton, which are the ultimate basis for almost all ocean life and major fisheries. And they also raise concerns that global warming, rather than stimulating ocean productivity, may actually curtail it in some places. ... > full story

Less salt for everybody (July 16, 2010) -- Restricting the amount of sodium chloride in food can lower the risk of cardiovascular morbidities, according to a new study. ... > full story

Small wires make big connections for microelectronics (July 16, 2010) -- Engineers have developed a novel direct-writing method for manufacturing metal interconnects that could shrink integrated circuits and expand microelectronics. The technique produces tiny pure metal wires much smaller in diameter than traditional wires and requiring two orders of magnitude less bonding area. This could enable more complex integrated functions in microelectronics. ... > full story

Apathy and depression predict progression from mild cognitive impairment (July 16, 2010) -- A new study found that apathy and depression significantly predict an individual's progression from mild cognitive impairment (MCI), a disorder of the brain that affects nerve cells involved in thinking abilities, to dementia, including Alzheimer's disease and Lewy body dementia. ... > full story

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