ScienceDaily Top Science Headlines
for Saturday, July 12, 2008
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Scientists Identify Genetic Basis For The Black Sheep Of The Family (July 11, 2008) -- Coat color of wild and domestic animals is a critical trait that has significant biological and economic impact. In a study published online in Genome Research, researchers have identified the genetic basis for black coat color, and white, in a breed of domestic sheep. ... > full story
Scientists Learn How Food Affects The Brain: Omega 3 Especially Important (July 11, 2008) -- In addition to helping protect us from heart disease and cancer, a balanced diet and regular exercise can also protect the brain, and ward off mental disorders. Changes in diet are a viable strategy for enhancing cognitive abilities, protecting the brain from damage, and counteracting the effects of aging, according to a professor of neurosurgery and physiological science, who has spent years studying the effects of food and exercise on the brain. ... > full story
From Foe To Friend: Researchers Use Salmonella As A Way To Administer Vaccines In The Body (July 11, 2008) -- Researchers have made a major step forward in their work to develop a biologically engineered organism that can effectively deliver an antigen in the body. The researchers report that they have been able to use live salmonella bacterium as the containment/delivery method for an antigen. ... > full story
Structure Of Critical Protein From Ebola Virus Determined (July 11, 2008) -- Scientists have determined the structure of a critical protein from the ebola virus, which, though rare, is one of the deadliest viruses on the planet killing between 50 and 90 percent of those infected. ... > full story
Ground Cover Can Reduce Impact Of Biomass Harvest (July 11, 2008) -- Iowa State University researchers are looking at ways to use ground cover, a living grass planted between the rows of corn, in production farming. ... > full story
Verbally Aggressive Mothers Direct Their Children's Behavior (July 11, 2008) -- Verbally aggressive mothers tend to control their children's choice of activities as well as use physical negative touch, along with directives, when trying to alter their child's actions. ... > full story
Brain Cells Related To Fear Identified, Paving The Way For More Effective Treatment Of Post-Traumatic Stress And Other Anxiety Disorders (July 11, 2008) -- Potentially paving the way for more effective treatments of anxiety disorders, a recent Nature report has identified a critical component of the amygdala's neural network normally involved in the extinction, or elimination, of fear memories. ... > full story
New Tinnitus Treatment: Potential To Greatly Diminish Ringing In The Ears (July 11, 2008) -- A new study has shown potential to markedly improve tinnitus, commonly known as "ringing in the ears." Results of the initial case were published in The Laryngoscope in which a single patient was tested to examine the safety and feasibility of using maintenance sessions of low-frequency repetitive transcranial magnetic stimulation (TMS) to reduce tinnitus loudness and prevent its return over time. ... > full story
Could Pond Scum Undo Pollution, Fight Global Warming And Alleviate World Hunger? (July 11, 2008) -- Three plant biologists at Rutgers' Waksman Institute of Microbiology are obsessed with duckweed, a tiny aquatic plant with an unassuming name. Now they have convinced the federal government to focus its attention on duckweed's tremendous potential for cleaning up pollution, combating global warming and feeding the world. The Department of Energy's national laboratories will sequence the duckweed genome. ... > full story
Flu-infected Fly Cells Reveal Dependencies Of The Virus (July 11, 2008) -- By giving fly cells the flu, scientists have identified scores of host genes the pathogen requires for successful infection, revealing a raft of potential new pressure points to thwart the virus. ... > full story
Individual Bone Implants Whose Structure Resembles That Of The Natural Bone Can Now Be Produced Easily (July 11, 2008) -- Individual bone implants whose structure resembles that of the natural bone can now be produced quite easily. First, a simulation program calculates the bone's internal structure and porosity, then a rapid prototyping machine "bakes" the implant from metal powder. ... > full story
Gene Therapy Research In Developing World Raises Ethical Red Flags (July 11, 2008) -- Early stage gene therapy clinical trials are recruiting patients from the developing world, providing medically deprived populations access to interventions that show promise but have largely unknown effects in humans. The practice may be inconsistent with international ethics guidelines on justice say ethicists. ... > full story
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