ScienceDaily Top Science Headlines

for Sunday, August 29, 2010

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Liver cells created from patients' skin cells (August 28, 2010) -- By creating diseased liver cells from a small sample of human skin, scientists have now shown that stem cells can be used to model a diverse range of inherited disorders. The researchers' findings will hopefully lead to new treatments for those suffering from liver diseases. ... > full story

Mumps vaccine coverage should be improved, study finds (August 28, 2010) -- Although immunity to mumps is high in the United States, mumps vaccine coverage must be maintained and improved to prevent future outbreaks, according to a new study. ... > full story

Tiny gulf sea creature could shed light on oil spill’s impact (August 28, 2010) -- A molecular biologist will soon bring dozens of tiny, transparent animals that live in Gulf Coast waters back to his campus laboratory as part of an effort to better understand the oil spill's long-term impact on the coastal environment and creatures living there. ... > full story

Exposure to low doses of BPA alters gene expression in the fetal mouse ovary (August 28, 2010) -- A new study finds that exposure of pregnant female mice to the endocrine-disrupting chemical bisphenol A may produce adverse reproductive consequences on gene expression in fetal ovaries as early as 12 hours after the mother has first been exposed to the chemical. ... > full story

Tiny logo demonstrates advanced display technology using nano-thin metal sheets (August 28, 2010) -- In a step toward more efficient, smaller and higher-definition display screens, a researcher has developed a new type of color filter made of nano-thin sheets of metal with precisely spaced gratings. ... > full story

Anguish of romantic rejection may be linked to stimulation of areas of brain related to motivation, reward and addiction (August 28, 2010) -- Breaking up really is hard to do, and a recent study found evidence that it may be partly due to the areas of the brain that are active during this difficult time. ... > full story

Secrets of the gecko foot help robot climb (August 28, 2010) -- The science behind gecko toes holds the answer to a dry adhesive that provides an ideal grip for robot feet. A mechanical engineer is using the new material, based on the structure of a gecko foot, to keep his robots climbing. ... > full story

Medicine reaches the target with the help of magnets (August 28, 2010) -- If a drug can be guided to the right place in the body, the treatment is more effective and there are fewer side-effects. Researchers in Sweden have now developed magnetic nanoparticles that can be directed to metallic implants such as artificial knee joints, hip joints and stents in the coronary arteries. ... > full story

Bacteria make thrift a habit, researchers find (August 28, 2010) -- In these lean times, smart consumers refuse to pay a lot for throwaway items, but will shell out a little more for products that can be used again and again. The same is true of bacteria and other microbes, researchers have learned. ... > full story

Fertilizer chemicals linked to animal developmental woes (August 28, 2010) -- Fertilizer chemicals may pose a bigger hazard to the environment -- specifically to creatures that live in water -- than originally foreseen, according to new research. Toxicologists show that water fleas take up nitrates and nitrites -- common chemicals used primarily in agriculture as fertilizers -- and convert those chemicals into nitric oxide. Nitric oxide can be toxic to many organisms. ... > full story

Surgical robot could be used for long-distance regional anesthesia (August 28, 2010) -- An existing surgical robot could be used to perform complex regional anesthesia procedures -- in theory, allowing expert anesthesiologists to perform robot-assisted procedures from remote locations, according to a new study. ... > full story

Ugly Betty forced to aim for Average Joe, house sparrow study finds (August 28, 2010) -- Less-pretty female house sparrows tend to lower their aim when selecting a mate. Addressing the lack of studies on condition-dependency of female mate choice, evolutionary biologists found that female sparrows of a low quality prefer males of an equally low quality. ... > full story

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