ScienceDaily Top Science Headlines
for Saturday, August 23, 2008
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Some Cells Self-destruct For The Greater Common Good (August 22, 2008) -- Individual cells in a population of bacteria can sacrifice their lives for others to achieve a greater common good. Biologists have described a new biological concept in which self-sacrifice and self-destruction play an important role. ... > full story
Why A Common Treatment For Prostate Cancer Ultimately Fails (August 22, 2008) -- Some of the drugs given to many men during their fight against prostate cancer can actually spur some cancer cells to grow, researchers have found. ... > full story
With Skate Eyes, Scientists Peer Into Human Disease (August 22, 2008) -- Paradoxically, the photoreceptor cells in our retinas release more of their neurotransmitter, glutamate, in the dark, when there is nothing to see, than they do in the light. This is doubly surprising since although glutamate is a major signaling molecule in the retina and throughout the central nervous system, it is also a potent cytotoxin that, in large doses, can kill nearby cells. ... > full story
For Coronary Artery Disease Patients, B Vitamins May Not Reduce Cardiovascular Events (August 22, 2008) -- In a large clinical trial involving patients with coronary artery disease, use of B vitamins was not effective for preventing death or cardiovascular events, according to a study published in the Aug. 20 issue of JAMA. ... > full story
New Algorithm Significantly Boosts Routing Efficiency Of Networks (August 22, 2008) -- A time-and-money-saving question shared by commuters in their cars and networks sharing ever-changing Internet resources is: "What's the best way to get from here to there?" ... > full story
Elderly Patients Less Likely To Be Transported To Trauma Centers Than Younger Patients (August 22, 2008) -- Elderly trauma patients appear to be less likely than younger patients to be transported to a trauma center, possibly because of unconscious age bias among emergency medical services personnel, according to a report in the August issue of Archives of Surgery, one of the JAMA/Archives journals. ... > full story
Malaria Researchers Identify New Mosquito Virus (August 22, 2008) -- Researchers have identified a previously unknown virus that is infectious to Anopheles gambiae -- the mosquito primarily responsible for transmitting malaria. ... > full story
Researchers Test New Vaccine To Fight Multiple Influenza Strains (August 22, 2008) -- A universal vaccine effective against several strains of influenza has passed its first phase of testing. VaxInnate's M2e universal vaccine could possibly protect against seasonal and pandemic influenza strains. ... > full story
Computer-generated Images: Hollywood Hair Will Be Captured At Last (August 22, 2008) -- Imagine avatars of your favorite actors wandering through 3-D virtual worlds with hair that looks almost exactly like it does in real life. This level of realism for animated hairstyles is one step closer to the silver screen, thanks to new research being presented at SIGGRAPH, one of the most competitive computer graphics conferences in the world. ... > full story
New And Improved Test For West Nile Virus In Horses (August 22, 2008) -- A new test for West Nile virus in horses that could be modified for use with humans and wildlife may help track the spread of the disease. ... > full story
Improved Technique Determines Structure In Membrane Proteins (August 22, 2008) -- By combining custom-built spectrometers, novel probe designs and faster pulse sequences, scientists have developed unique capabilities for probing protein chemistry and structure through the use of solid-state nuclear magnetic resonance spectroscopy. ... > full story
Pre-school Age Exercises Can Prevent Dyslexia, New Research Shows (August 22, 2008) -- Atypical characteristics of children’s linguistic development are early signs of the risk of developing reading and writing disabilities, or dyslexia. New research points to preventive exercises as an effective means to tackle the challenges children face when learning to read. ... > full story
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