How do animals exposed to 24-hour light retain their wake-sleep habits?
...s study is another step in the continuing research towards such comprehension....Brain cells become more discriminating when they work together
...dy. "The Bonds paper can be seen as the first step towards providing a test of these theoretical models." Scientists studying vision have known for some time that different groups of neurons in the visual cortex respond selectively to the way in which objects are oriented. For example, when a subject views a......trations are around those of normal body tissues), towards the center, where levels reach up to five times the norm. Prof. Degani, together with doctoral student Nimrod Maril and Raanan Margalit, was intrigued by a small number of MRI experiments that focus on sodium to attain images o...A new hypothesis about autoimmunity. Is it possible to be too clean?
...self tissue. Thus, these survivors have a tendency towards autoreactivity, which can lead to autoimmunity later on when these cells become activated effector cells. An analogous process is believed to occur when a viral infection causes lymphopenia. Sarvetnick and other scientists believe that Type 1 diabet...Keck Futures Initiative announces grant recipients
...ene regulation systems in E. Coli, paving the path towards automated reconstruction of more complex, unknown systems in the future. TERENCE HWA University of California, San Diego SPECIFICITY, CROSS TALK, AND EVOLVABILITY IN TWO-COMPONENT SIGNALING Hwa proposes experiments to study molecular specifici...Salt-tolerant rice requires careful selection
...scovered that in general breeding is best directed towards varieties that are adapted to a wide range of conditions and whose performance is not fertiliser dependent. However for cultivation on silt soils, only varieties with a genetic predisposition for these specific conditions should be used. Manneh carri...U of T researchers isolate gene for Crohn's disease
...s disease. "Isolating this gene is a critical step towards improved diagnosis of this disease and developing better therapies for Crohn's sufferers," says Katherine Siminovitch, a U of T professor with the Department of Medicine. She is also a senior scientist at the Samuel Lunenfeld Research Institute at Mo...Researchers make major gain in understanding how prions jump species
...versity School of Medicine have taken a major step towards understanding how abnormal prion proteins, the suspected cause of mad cow and related diseases, change shape to jump from one animal species to another. In test tube experiments, they were able to make human prion proteins exhibit characteristics of...Introduction of the 'Rett protein' in post-mitotic neurons rescues Rett Syndrome in mice
.... Jaenisch and his colleagues is an important step towards realizing our mission of accelerating treatments and cures for Rett Syndrome. RSRF has financially supported Dr. Jaenisch's work since our inception and we are encouraged by the contributions he is making to the field", stated Gordy Rich, Chairman of...Ancient Greeks help scientists build environmentally friendly nano devices
..., high temperature superconductivity, and progress towards quantum computers. Professor Baumberg, from Southampton University, said: "These environmentally friendly nano-coatings stay embedded within their operating devices. The nano-perforations produce new electronic, magnetic, optical and bio-sensing prop...Why passive smoking hinders healing
...lls are exposed to smoke, their ability to migrate towards the site of damage is compromised. The study, carried out by researchers from University of California, Riverside, examined the effects of 'second-hand' smoke on fibroblasts, cells that play a major role in wound healing. They found that, among other...OneWorld Health plans to form network of volunteer pharmaceutical scientists for global health
...ntists with opportunities to apply their expertise towards diseases that though virtually nonexistent in the developed world have disproportionate impact on disadvantaged patient populations in the developing world." Dr. Wang is a former member of OneWorld Health's board of directors and former Merck scie...Survey reports fall in stem cell transplants for breast cancer
... to share that information." He said that the move towards stem cell transplants in a range of solid tumours had been triggered by preliminary positive retrospective and prospective data. However, attitudes changed following doubts on initial reports, the failure of prospective studies to find an advantage i...Moffitt teams with DNAPrint(TM) to predict patient response to chemotherapy
...anizations have teamed to make an important stride towards their goal of enabling a more personalized, safe and effective modality of cancer treatment for our current generation of cancer patients. A primary area of focus for the effort is colorectal cancer, long a primary research interest for Yeatman, a pr...Envisat fishes up facts behind Chilean giant squid invasion
...n Chile. Further incursions have since taken place towards Calbuco, on the inner side of the Chacao channel and towards the southern part of the island along the coast, up to Castro in the middle of the big island of 'Lo...New diagnostic tool brings effective treatment closer to patients
Hamburg, Germany: Significant progress towards identifying the genetic make-up of individual tumours, hence allowing treatment choices to be made based on personalised information was announced at the 4th European Breast Cancer Conference, today. Dr. Alane Koki, Chief Scientific Officer of Ipsog...Migraine mouse provides insight into neurobiology of devastating headaches
...ed in the March 4 issue of Neuron, is a major step towards development of more successful treatments targeted at specific neurobiological events that underlie migraines. Migraine is a common, chronic disorder characterized by recurrent disabling headaches. Approximately one-third of migraine sufferers have h...Scientists urge caution when releasing engineered organisms into environment
...cientists has recommended a more cautious approach towards releasing genetically engineered organisms (GEOs) into the environment. The panel, assembled by the Ecological Society of America, released its report today in Washington. Their recommendations includes rigorously analyzing the risks and benefits ass...Founder of UCSD bioengineering program honored with lifetime achievement award
...planes for China's Bureau of Aeronautical Research towards the end of World War II. He began graduate school at Caltech in 1945, and joined its aeronautics faculty in 1948 after receiving his Ph.D. in aeronautics and mathematics. His early focus was on structural dynamics and aerodynamics. "My specialty in a......human expedition in decades to come. A major step towards the realisation of this ambitious robotic programme was completed this week with the selection of two industrial teams to carry out the detailed design of the ExoMars rover and its Pasteur payload of scientific instruments. The parallel Phase A stud...