ScienceDaily Top Science Headlines
for Tuesday, January 17, 2012
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Brain circuits for visual categorization revealed by new experiments (January 16, 2012) -- Hundreds of times during a baseball game, the home plate umpire must instantaneously categorize a fast-moving pitch as a ball or a strike. Scientists have now pinpointed an area in the brain where these kinds of visual categories are encoded. ... > full story
New indicator may help identify patients with increased risk from throat cancer (January 16, 2012) -- Researchers have found a new indicator that may predict which patients with a common type of throat cancer are most likely have the cancer spread to other parts of their bodies. ... > full story
People mimic each other, but only when they have the same goal, study suggests (January 16, 2012) -- It's easy to pick up on the movements that other people make -- scratching your head, crossing your legs. But a new study finds that people only feel the urge to mimic each other when they have the same goal. ... > full story
Discovery could help stem smoking-related diseases (January 16, 2012) -- Sufferers of smoking-related lung diseases could have their debilitating symptoms reduced following the discovery of a potential new treatment. ... > full story
Revolutionary surgical technique for perforations of the eardrum (January 16, 2012) -- Scientists announce a revolutionary surgical technique for perforations of the eardrum. The 20-minute procedure in outpatient clinic without general anesthetic may replace long and costly day surgery. ... > full story
'Spooky action at distance': Physicists develop first conclusive test to better understand high-energy particles correlations (January 16, 2012) -- Researchers have devised a proposal for the first conclusive experimental test of a phenomenon known as 'Bell's nonlocality.' This test is designed to reveal correlations that are stronger than any classical correlations, and do so between high-energy particles that do not consist of ordinary matter and light. These results are relevant to the so-called 'CP violation' principle, which is used to explain the dominance of matter over antimatter. ... > full story
Some like it hot: Popular yoga style cranks up the heat (January 16, 2012) -- Yoga is one of the hottest fitness trends and a style known as “hot yoga” is gaining in popularity. While the practice can offer health benefits, people practicing hot yoga, especially beginners, should take certain precautions, according to an expert. ... > full story
How stem cell implants help heal traumatic brain injury (January 16, 2012) -- Researchers have identified key molecular mechanisms by which implanted human neural stem cells aid recovery from traumatic axonal injury. ... > full story
Advance toward treatment for painful flat feet (January 16, 2012) -- Scientists have made an advance in understanding the causes of adult-acquired flat feet -- a painful condition particularly affecting middle-aged women. ... > full story
Deaf sign language users pick up faster on body language (January 16, 2012) -- Deaf people who use sign language are quicker at recognizing and interpreting body language than hearing non-signers, according to new research. ... > full story
Gene identified as a new target for treatment of aggressive childhood eye tumor (January 16, 2012) -- New findings help solve mystery of retinoblastoma's rapid growth in work that also yields a new treatment target and possible therapy. ... > full story
Active compounds against Alzheimer's disease: New insights thanks to simulations (January 16, 2012) -- Various molecules have been synthesized that inhibit self-assembly of the amyloid beta peptide in vitro. This peptide is strongly linked to Alzheimer's disease. Based on computer simulations, biochemists have recently shown how the active compounds and fragments of this disease-causing peptide interact with each other: it is the disordered structure of the peptide that determines the interactions with active compounds. ... > full story
Discrimination may harm your health (January 16, 2012) -- Racial discrimination may be harmful to your health, according to new research. In the study, the authors examined data containing measures of social class, race and perceived discriminatory behavior and found that approximately 18 percent of blacks and 4 percent of whites reported higher levels of emotional upset and/or physical symptoms due to race-based treatment. ... > full story
Wood-burning stoves: Harmful or safe? (January 16, 2012) -- Wood-burning stoves are a popular source of heating in many countries. However in recent years there has been much debate about the potential negative health effects associated with wood smoke. A researcher has now studied the influence of combustion conditions on the emissions and their health effects. ... > full story
Grain crops with lower carotene levels are less affected by parasitic plants (January 16, 2012) -- Grain crops that produce less carotene can produce more food, especially in Africa, as they are less affected by parasitic plants. Agricultural researchers studied processes and technologies that could improve the control of the parasitic weed Striga both in the lab and in the field. He discovered that rice plants that produce less carotene than usual are less infected by the Striga parasite. ... > full story
Researchers use sugar to halt esophageal cancer in its tracks (January 15, 2012) -- Scientists have identified changes in the patterns of sugar molecules that line pre-cancerous cells in the esophagus, a condition called Barrett’s dysplasia, making it much easier to detect and remove these cells before they develop into esophageal cancer. These findings have important implications for patients and may help to monitor their condition and prevent the development of cancer. ... > full story
Pivotal immune cell in Type 1 diabetes in humans identified (January 15, 2012) -- Researchers have demonstrataed -- for the first time in human tissues -- the specific immune system T cells which trigger the destruction of Type 1 diabetes in the pancreas. The finding is an important advance that verifies in humans several important disease characteristics shown in mouse studies and provides a key focal point for interrupting the disease process. ... > full story
Improved method for protein sequence comparisons is faster, more accurate, more sensitive (January 15, 2012) -- Sequence comparisons are an essential tool for the prediction and analysis of the structure and functions of proteins. A new method developed by computational biologists permits sequence comparisons to be performed faster and more accurately than ever before. ... > full story
Office workers spend too much time at their desks, experts say (January 15, 2012) -- In a typical working week, people spend on average 5 hours and 41 minutes per day sitting at their desk and 7 hours sleeping at night. Prolonged sitting at your desk is not only bad for your physical health, but potentially your mental well-being, experts in the UK say. ... > full story
Cancer sequencing project identifies potential approaches to combat aggressive leukemia (January 15, 2012) -- Researchers have discovered that a subtype of leukemia characterized by a poor prognosis is fueled by mutations in pathways distinctly different from a seemingly similar leukemia associated with a much better outcome. The findings highlight a possible new strategy for treating patients with this more aggressive cancer. ... > full story
Surprising results from smoke inhalation study (January 15, 2012) -- A new study includes some unexpected findings about the immune systems of smoke-inhalation patients. ... > full story
Pythons and people take turns as predators and prey (January 15, 2012) -- People and giant snakes not only target each other for food -- they also compete for the same prey, according to a new study. ... > full story
Brain glia cells increase their DNA content to preserve vital blood-brain barrier (January 14, 2012) -- Scientists report that as the developing larval fruit fly brain grows by cell division, it instructs subperineurial glia (SPG) cells that form the blood-brain barrier to enlarge by creating multiple copies of their genomes in a process known as polyploidization. ... > full story
Faulty proteins may prove significant in identifying new treatments for ovarian cancer (January 14, 2012) -- A constellation of defective proteins suspected in causing a malfunction in the body's ability to repair its own DNA could be the link scientists need to prove a new class of drugs will be effective in treating a broad range of ovarian cancer patients, a new study found. ... > full story
I recognise you! But how did I do it? (January 14, 2012) -- Are you someone who easily recognizes everyone you’ve ever met? Or maybe you struggle, even with familiar faces? It is already known that we are better at recognizing faces from our own race but researchers have only recently questioned how we assimilate the information we use to recognize people. ... > full story
Genes and disease mechanisms behind a common form of muscular dystrophy discovered (January 13, 2012) -- Continuing a series of groundbreaking discoveries begun in 2010 about the genetic causes of the third most common form of inherited muscular dystrophy, scientists have identified the genes and proteins that damage muscle cells, as well as the mechanisms that can cause the disease. ... > full story
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