ScienceDaily Top Science Headlines
for Saturday, May 29, 2010
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How do bumblebees get predators to buzz off? (May 29, 2010) -- Toxic or venomous animals, like bumblebees, are often brightly colored to tell would-be predators to keep away. However scientists in the UK have found a bumblebee's defense could extend further than its distinctive color pattern and may indeed be linked to their characteristic shape, flight pattern or buzzing sound. ... > full story
Dieting alone may not help stave off type 2 diabetes; muscle mass, strength important (May 29, 2010) -- Sarcopenia -- low skeletal muscle mass and strength -- was associated with insulin resistance in both obese and non-obese individuals. It was also associated with high blood-sugar levels in obese people but not in thin people. These associations were stronger in people under age 60, in whom sarcopenia was associated with high levels of blood sugar in both obese and thin people, and with diabetes in obese individuals. ... > full story
Experts gather as volcanic dust settles (May 29, 2010) -- Following the eruption of Iceland's Eyjafjallajoekull volcano that spewed huge amounts of ash and grounded numerous flights, more than 50 experts from around the world gathered at a workshop organized by ESA and EUMETSAT to discuss what has been learned and identify future opportunities for volcanic ash monitoring. ... > full story
Genetic research shows degeneration in aging worm (May 29, 2010) -- Genetic research focusing on the soil nematode C. elegans has generated fundamental new insights into the way in which these tiny worms age. During the aging process, the activity of the worm's genes gradually becomes more turbulent and gene regulation declines. Because degenerative processes in worms and humans are similar, the research results offer clues for the prevention and medication of geriatric diseases. ... > full story
Genome comparison tools found to be susceptible to slip-ups (May 29, 2010) -- Tools used to align genomes from different species have serious quality-control issues, according to a new study. ... > full story
Many with HIV start care too late (May 29, 2010) -- Despite growing evidence that the earlier people are diagnosed with HIV and get access to care, the better their clinical outcomes, many HIV-infected people in the United States and Canada are not receiving the care they need early enough. ... > full story
'Law-like' mathematical patterns in human preference behavior discovered (May 28, 2010) -- Scientists have found mathematical patterns underlying the way individuals unconsciously distribute their preferences regarding approaching or avoiding objects in their environment. These patterns appear to meet the strict criteria used to determine whether something is a scientific law and, if confirmed in future studies, could potentially be used to guide diagnosis and treatment of psychiatric disorders. ... > full story
Piece of the puzzle for individualized cancer therapy via gene silencing discovered (May 28, 2010) -- In a major cancer-research breakthrough, researchers have discovered that a small segment of a protein that interacts with RNA can control the normal expression of genes -- including those that are active in cancer. ... > full story
Toward a useful quantum computer: Researchers design and test microfabricated planar ion traps (May 28, 2010) -- Researchers are designing, fabricating and testing planar ion traps that can be more readily combined into large, interconnected trap arrays. In the future, these arrays may be used to create a useful quantum computer. ... > full story
Light shed on deadly GI disease in infants born with complex congenital heart disease (May 28, 2010) -- Infants born with complex congenital heart disease are not only at risk for serious heart-related complications, but also for developing a deadly bowel disease, regardless of the type of surgical intervention they receive for their heart. ... > full story
Novel 'cuckoo search algorithm' beats particle swarm optimization in engineering design (May 28, 2010) -- The familiar early summer call of the cuckoo has inspired composer and poet alike, but the sound belies the bird's true parasitic nature. Now, researchers have taken the cuckoo's wont to deposit its eggs in the nests of other birds as inspiration for a new approach to engineering design. ... > full story
Shoplifting linked to unpleasant personality (May 28, 2010) -- Psychologists have identified dimensions of personality seen in persons prone to shoplifting. Three characteristics in his study stood out: Being male; unpleasant and antisocial; and disorganized and unreliable. ... > full story
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