ScienceDaily Top Science Headlines -- for Saturday, March 26, 2011

ScienceDaily Top Science Headlines

for Saturday, March 26, 2011

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Universal property of music discovered (March 25, 2011) -- Researchers have discovered a universal property of scales. Until now it was assumed that the only thing scales throughout the world have in common is the octave. The many hundreds of scales, however, seem to possess a deeper commonality: if their tones are compared in a two- or three-dimensional way by means of a coordinate system, they form convex or star-convex structures. Convex structures are patterns without indentations or holes, such as a circle, square or oval. ... > full story

New colon cancer marker identified (March 25, 2011) -- A research team has identified an enzyme that could be used to diagnose colon cancer earlier. It is possible that this enzyme also could be a key to stopping the cancer. ... > full story

Kudzu vines spreading north from US Southeast with warming climate (March 25, 2011) -- Kudzu, the plant scourge of the US Southeast. The long tendrils of this woody vine, or liana, are on the move north with a warming climate. ... > full story

Promising clue to mechanism behind gene mutation that causes Parkinson's disease (March 25, 2011) -- Researchers have discovered a way that mutations in a gene called LRRK2 may cause the most common inherited form of Parkinson's disease. The study, published online this month in the journal Public Library of Science, shows that upon specific modification called phosphorylation, LRRK2 protein binds to a family of proteins called 14-3-3, which has a regulatory function inside cells. ... > full story

BrainGate neural interface system reaches 1,000-day performance milestone (March 25, 2011) -- An investigational implanted system being developed to translate brain signals toward control of assistive devices has allowed a woman with paralysis to accurately control a computer cursor at 2.7 years after implantation, providing a key demonstration that neural activity can be read out and converted into action for an unprecedented length of time. ... > full story

How well do you know your friends? (March 25, 2011) -- How does your best friend feel when people act needy? Or, about people being dishonest? What do they think when others seem uncomfortable in social situations? If you don't know -- your relationship may pay a price. ... > full story

Exploding stars and stripes: Pattern of X-ray 'stripes' in supernova remnant could explain how cosmic rays are produced (March 25, 2011) -- The discovery of a pattern of X-ray "stripes" in the remains of an exploded star may provide the first direct evidence that a cosmic event can accelerate particles to energies a hundred times higher than achieved by the most powerful particle accelerator on Earth. This result comes from a very long observation of the Tycho supernova remnant with NASA's Chandra X-ray Observatory. It could explain how some of the extremely energetic particles bombarding Earth, called cosmic rays, are produced. ... > full story

A safer, more effective morphine may soon be possible (March 25, 2011) -- An orphan drug originally used for HIV treatment has been found to short-circuit the process that results in additional sensitivity and pain from opioid use. ... > full story

Conch shell gives nano insights into composite materials (March 25, 2011) -- Researchers use the conch shell as an example of 'toughness-by-architecture' in the quest for new synthetic materials for engineering, construction and aerospace applications. ... > full story

Research may lead to new treatments for Parkinson’s disease and other neurological disorders (March 25, 2011) -- Scientists are conducting research that may someday lead to new treatments for repair of the central nervous system. The group has identified and analyzed unique adult animal stem cells that can turn into neurons. The neurons they found appear to have many of the qualities desired for cells being used in development of therapies for slowly progressing, degenerative conditions like Parkinson's disease and for damage due to stroke or spinal cord injury. ... > full story

First student-developed mission in which satellites orbit and communicate (March 25, 2011) -- Two satellites designed and constructed by engineering students in Texas successfully separated in space March 22, completing the most crucial goal of the mission since its Nov. 19 launch and making them the first student-developed mission in the world in which satellites orbit and communicate with each other in real-time. ... > full story

Higher prevalence of psychiatric symptoms found in children with epilepsy (March 25, 2011) -- A newly published report reveals that children with epilepsy are more likely to have psychiatric symptoms, with gender a determining factor in their development. Findings showed that girls had more emotional problems, while boys had more hyperactivity/inattention problems and issues regarding peer relationships. ... > full story

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