ScienceDaily Top Science Headlines
for Sunday, August 31, 2008
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Treatment For Hearing Loss? Scientists Grow Hair Cells Involved in Hearing (August 30, 2008) -- Scientists have successfully produced functional auditory hair cells in the cochlea of the mouse inner ear. The breakthrough suggests that a new therapy may be developed in the future to successfully treat hearing loss. ... > full story
Young Type-2 Diabetic Men Suffer Low Testosterone Levels, Study Shows (August 30, 2008) -- Young men with type 2 diabetes have significantly low levels of testosterone, endocrinologists at the University at Buffalo have found -- a condition that could have a critical effect on their quality of life and on their ability to father children. ... > full story
Magmatically Triggered Slow Earthquake Discovered At Kilauea Volcano, Hawaii (August 30, 2008) -- From June 17-19, 2007, Kilauea experienced a new dike intrusion, where magma rapidly moved from a storage reservoir beneath the summit into the east rift zone and extended the rift zone by as much as 1 meter. ... > full story
One Cause Of Higher Rates Of Transplanted Kidney Rejection In Blacks (August 30, 2008) -- Scientists may have an explanation for at least some of the higher organ rejection rates seen among black -- as compared to white -- kidney transplant recipients. ... > full story
Novel Approach In Molecular Differentiation Of Prion Strains (August 30, 2008) -- Scientists have identified a prion protein characteristic that is unique to some natural but unusual sheep scrapie cases. This finding may provide a novel method by which to study prion diversity and their possible changes during cross-species transmission. ... > full story
Global Survey Highlights Need For Cancer Prevention Campaigns To Correct Misbeliefs, Survey Finds (August 30, 2008) -- Many people hold mistaken beliefs about what causes cancer, tending to inflate the threat from environmental factors that have relatively little impact while minimizing the hazards of behaviors well established as cancer risk factors, according to the first global survey on the topic. People in high-income countries were the least likely to believe that drinking alcohol increases the risk of cancer. ... > full story
Antarctic Research Helps Shed Light On Climate Change On Mars (August 30, 2008) -- Eroded gullies on the flanks of Martian craters may have been formed by snowmelt as recently as a few hundred thousand years ago and in sites once occupied by glaciers. Similar conditions can be found in Antarctica's McMurdo Dry Valleys. Rather than being a dead planet, the new data are consistent with dynamic climate changes on Mars. ... > full story
Location, Location, Location Important For Genes, Too (August 30, 2008) -- To better understand how cells become cancerous, a new study by cancer researchers looks at four genes that help regulate cell growth in embryos and contribute to cancer in adults. The genes are generally believed to work together to help control cell proliferation. But this study shows that mice need just one of the four genes to develop from fertilized eggs through adulthood. ... > full story
Antidepressants Need New Nerve Cells To Be Effective, Researchers Find (August 30, 2008) -- Researchers have discovered in mice that the brain must create new nerve cells for either exercise or antidepressants to reduce depression-like behavior. ... > full story
ABC-transporters Expressed On Endothelial Cell Membranes Efflux Anti-HIV Drugs (August 30, 2008) -- Researchers have discovered that drug-efflux pumps, belonging to the ATP-binding cassette transporter family, are constitutively expressed on vascular endothelial cells. The study has crucial implications in the persistence of sub-endothelial HIV reservoirs and will be important to the development of future therapies. ... > full story
Tiny 3-D Ultrasound Probe Guides Catheter Procedures (August 30, 2008) -- An ultrasound probe small enough to ride along at the tip of a catheter can provide physicians with clearer real-time images of soft tissue without the risks associated with conventional X-ray catheter guidance. ... > full story
Newly-defined Factors May Prevent Postpartum Smoking Relapse (August 30, 2008) -- Although many women quit smoking during pregnancy to protect their unborn children from the effects of cigarettes, half resume the habit within a few months of giving birth. By shedding light on the factors that enable the other half to put down that cigarette for good, a study by researchers at the University of North Carolina at Chapel Hill could lead to programs designed to help women quit and stay quit. ... > full story
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