Findings challenge Darwinian theory
...papers from around the world, including a study on asymmetry (the difference between the left and right sides of the body) that was conducted using lobsters. Baby lobsters are born with two same-sized claws, but somehow, only one of the claws transforms into a larger crusher claw as the lobster grows. "The gen...Study in Royal Society journal on possible genetic factors in social responsiblity
...tive to deleterious mutations than oogenesis. This asymmetry in inbreeding depression for functionally equivalent traits raises questions about the generality of the standard evolutionary explanation for differences in sensitivity to inbreeding among traits. Contact: Dr Ilik Saccheri, Division of Population an...Yerkes researchers discover baisis for determining handedness in chimpanzees
..., Dr. Hopkins' team supported their findings about asymmetry by confirming that the brain structure of chimpanz...unique to humans. "For years, researchers thought asymmetry is part of what distinguished the human brain from that of chimpanzees, but our results challenge th...Chimpanzee brains are asymmetrical in key areas and their handedness reflects it
...ght half significantly larger than its left. This asymmetry was bigger in males. These findings are consisten...an evidence that handedness has nothing to do with asymmetry in language-related cortical areas. The Yerkes chimps showed no links between handedness and the cl...Ophthalmologists and physicists team up to design 'bionic eye'
...e developed) with one corner snipped off to create asymmetry so surgeons can orient it properly during implantation. One design includes an orchard of pillars: One side of each pillar is a light-sensing pixel and the other side is a cell-stimulating electrode. Pillar density dictates image resolution, or visua...Yeast discovery gives insight into familial dysautonomia
...layer in determining the structural and functional asymmetry of cells -- known in modern biological parlance as cell polarity. The gene, called Elp1, is critical in regulating cell polarity, such as directing growth to the tip of a cell so that a "daughter" cell can "bud" off to divide, says Ruth Collins, assi...Early Universe was packed with mini black holes
...ysmic blast of energy when they finally merge, any asymmetry can send the resulting black hole flying off into space. "If this happened," says Haehnelt, "we might find the occasional galaxy with its central supermassive black hole missing." The evidence is by no means conclusive. Until it is, the CMB results w...Brain chemical serotonin involved in early embryo patterning, Forsyth scientists find
...related birth defects such as isomerism (a loss of asymmetry such as when a body has a midline heart or two spl...rly embryonic (prenatal) development of left-right asymmetry of body organs like the heart, gall bladder, and gut. "This is the first time that a "neurotran...World renowned social evolution theorist Robert Trivers to be honored
...dren, exploring the relationship between bilateral asymmetry in the body and a variety of social behaviors. In tracking these children, Trivers has become specifically interested in the health of the children, their long-term growth and development, and the social behavior they display. Recently, with Rutgers ...A new link between stem cells and tumors
...ill bud off and become the specialized cell. "This asymmetry provides the new cell with molecules it needs to launch new genetic programs that tell it what to become," says Cayetano Gonzlez, whose group began the project at EMBL and has continued the work as they moved to the IRBB-PCB. "The current study inves......g heart problems. Previous efforts to look at time asymmetry in heartbeat patterns had considered only a single...eart disease, the researchers found that heartbeat asymmetry is highest in young healthy subjects and declines with age or disease....Yale cell biologist, Ira Mellman, one of three Americans honored by EMBO
...er area of his research involves cell polarity and asymmetry and the molecular mechanisms that sort, target, and transport cell membrane components to their different and appropriate membrane locations in many different types of cells. He joined the Yale faculty of Cell Biology in 1981 after completing his un...Forsyth scientists gain greater understanding of how embryos differentiate left from right
...ecular and genetic factors that control left/right asymmetry and identified a novel component: an ion transport...ight axis. Instead, their research showed a single asymmetry mechanism linking ciliary, serotonergic (serotonin is the chemical substance involved in transmittin...News tips from the Journal of Neuroscience
... analysis, the authors observed improved locomotor asymmetry after 48 weeks of treatment with 7-OH-DPAT. Treated rats also improved their performance on a skilled reaching task.......so include short stature; some also include facial asymmetry and dental anomalies. Henneberg notes that "while...face. "I was looking for a standard of how much asymmetry was normal and eventually found a review article covering dozens of papers, some published nearly a ...Discovery of a molecular mechanism underlying limb architecture
...ion of the developing limb, thereby generating the asymmetry of our limbs (for example, the fact that our finge...rom each other). This discovery explains how limb asymmetry is genetically set up. This is an important finding as limb asymmetry is required for the broad rang...BioMed Central announces winners of first open access research awards
...: Diane Scutt, University of Liverpool, "Breast asymmetry and predisposition to breast cancer" Katarina Slynkova, University of Kentucky Medical Center and Veteran's Administration Medical Center, "The role of body mass index and diabetes in the development of acute organ failure and subsequent mortalit...Researchers at IRB Barcelona discover a new mechanism that regulates stem cell division
...n which the stem cell must divide to guarantee the asymmetry of daughter cells. The intracellular asymmetry of two functionally distinct centrosomes is a decisive factor in the regulation of asymmetric stem c...Largest physics meeting of the year, in Denver
...s. Some scientists have suggested that this slight asymmetry could be an effect of the weak nuclear force. Future studies will use a new free-electron laser to probe other electron energy levels in RNA. (V35.7) AMOEBAE MAY BE SMARTER THAN WE THINK Unless they are following the smell of food, microbes are...... so far, only a "priority effect" the competitive asymmetry between last year's slow and this year's fast developing caterpillars can explain why more than 50% of caterpillars mature in their second season. Yet, according to the currently available data, the effect seems to be too weak to fully explain the l...