Competition, loss of selfishness mark shift to supersociety
... of one group rises, there is a coincident rise in discrimination against members of other societies of the same species. Hlldobler notes that the competition between societies soon becomes a major force reinforcing the evolutionary process: In this way the society or insect colony becomes the extended phenotype of......s of the hippocampus) is essential for these rapid discrimination processes, hopefully paving the way for therapies targeting learning and behavioural disorders." Professor Tonegawa, a frequent world traveler, describing his own occasional experience of finding the airport in a new city uncannily familiar, added...Babies able to tell through visual cues when speakers switch languages: UBC study
... bilingual environment advantageously maintain the discrimination abilities needed for separating and learning multiple languages. In a paper to be published in the May 25 issue of the journal Science, Weikum explores whether babies use visual speech information to tell the difference between someone speaking the...UT Metroplex institutions to collaborate on biomedical research
...enetic, molecular and neurological bases of sexual discrimination in Drosophila" Dr. Pawel Michalak, assistant professor of biology at UTA, and Dr. Dean Smith, associate professor of pharmacology at UT Southwestern. This project focuses on understanding how genes influence sexuality and mating preference. "DN...Study verifies more hazardous waste facilities located in minority areas
...riables, suggesting that racial targeting, housing discrimination and other factors uniquely associated with race influence the location of the nations' hazardous waste facilities. Between 1966 and 1975, 81 facilities were sited nationally. These were located disproportionately where minorities were concentrate...Super-thin membrane, 50 atoms thick, sorts individual molecules
...e can engineer these membranes to provide superior discrimination of proteins, which may make the process of dialysis faster and more effective than it is today." The Rochester group sees many more applications for the membrane in the future. One of the most intriguing ideas is that it may play a role in growing ...Bats prey on nocturnally migrating songbirds
...ts' echolocation system which hampers fine-grained discrimination of targets (therefore a confusion between insect prey and feathers); also, the costs of swallowing feathers which are casually encountered would be lower than spitting them away (Bontadina & Arlettaz, 2003 Functional Ecology 17, 141-142). In the c...Individuals with genetic conditions twice as likely to report health insurance denial
...el, the Americans with Disabilities Act proscribes discrimination against persons with disabilities which includes those with genetically-related conditions. The Health Insurance Portability and Accountability Act (HIPAA) expressly forbids a group health insurance plan from using genetic information to establish ru...Nobel Laureate finds 'elegant' explanation for DNA transcribing enzyme's high fidelity
...n of how the enzyme achieves such a high degree of discrimination between matched and mismatched NTPs remained unanswered. The chemical attraction alone between RNA basesadenine, cytosine, guanine, and uraciland their complementary bases on the DNA template strand is far from sufficient to account for the incredib...Urgent call to action issued to protect world's most vulnerable populations from influenza pandemic
...e and reporting of possible cases, without fear of discrimination or uncompensated loss of livelihood. Identify and address any obstacles that disadvantaged groups may face in benefiting from preparedness plans. Experts from U.S. universities, Southeast Asian nations and organizations such as CARE Internatio...Tight-knit family: Even microbes favor their own kin
...st to document the more sophisticated trait of kin discrimination in a social microorganism. The new study is based on an examination of single-celled Dictyostelium purpureum, a common soil microbe that feeds on bacteria. In the wild, when food runs short, D. purpureum aggregate together by the thousands, forming...News tips from the Journal of Neuroscience
...isking was required for accurate localization with discrimination occurring in a 500 ms time window that corresponded to approximately four contacting whiskers. Rats were able to sense offsets down to 0.24 mm, or about 10% of spacing between whiskers. The authors refer to the active process that allows detection at...News tips from the Journal of Neuroscience
...tion is actually decoded in the process of sensory discrimination is not obvious. This week, Thomson and Kristan recorded from mechanosensory neurons in the medicinal leech while applying direct mechanical stimuli. A touch near the ventral midline evoked the local bend response, in which the animal bends away from ...$1.4 million grant helps professor see the light
... for color perception, daylight vision, and visual discrimination tasks like reading, while rods provide peripheral vision and vision in low light. Central to rod and cone visual signaling is the phosphodiesterase (PDE) protein. This enzyme is activated by light and is directly responsible for the nerve impulse t...Patients to benefit from novel technology revolutionizing high-speed molecular imaging
...canning design--together with usage of high-energy discrimination of the solid state detectors--this new technology can open the way to personalized diagnostics taking into account patient-specific physical information," noted Patton. "For 50 years, physicists have been struggling with the inherent trade-off betw......of surface receptors, allowing them to attack with discrimination rather than raw determination....News Tips from The Journal of Neuroscience
...t that TRN neurons facilitate visual detection and discrimination by switching visual LGN neurons from tonic to burs...t that TRN neurons facilitate visual detection and discrimination by switching visual LGN neurons from tonic to burst firing, or by surround inhibition of nonvisual L...Behavioral studies show UV contributes to marsupial color vision
...duplication of the MWS/LWS gene, which enables the discrimination of green-red colors. But the researchers' previous physiological studies in Australian marsupials provided original evidence for the potential of trichromatic color vision in mammals other than primates. The findings were consistent in several distan......ongly discourages inappropriate partnerships. This discrimination is important to minimize the likelihood of genetic abnormalities such as chromosome rearrangments or missegregation events, which in humans give rise to birth defects like Down syndrome. "How can we explain the fact that PCs strongly contribute to t...