Discovery in plant virus may help prevent HIV and similar viruses
...es in plant growth and development and where those tasks are performed. "The two genes each may have specialized functions depending on where they are activated in the plant," he said. "In some tissues the genes appear to be turned on in the same place. But, for example, in the flower, one gene is expres...Reading ability protects brain from lead exposure
...rnative brain circuits, and the ability to process tasks more efficiently in current brain circuits, said Bleecker....Military to study better pain relief in battle zones
...noparticles and test how well they perform several tasks under simulated physiological conditions in the laboratory. Ultimately, they want the particles to be able to: control the release of morphine over extended periods before a soldier can be evacuated to a military acute care facility, continuo...MIT team building robotic fin for submarines
...r-less underwater robot better suited for military tasks such as sweeping mines and inspecting harbors-and for that they are hoping to mimic the action of the bluegill sunfish. If we could produce AUVs that can hover and turn and store energy and do all the things a fish does, they'll be much better than...Gene variant increases risk of blindness
...generation of the macula interferes with important tasks such as reading and driving. Age-related macular degeneration (AMD), the cause of which is poorly understood, is the leading cause of visual loss in older people and the commonest cause of blindness in the USA and European countries. The resear...Scientists identify 2 distinct Parkinson's networks
...e secretary; organizing, planning and carrying out tasks in order of importance. Its the same region that is hard-hit in mild cognitive impairment, the precursor to Alzheimers dementia. But Eidelberg said that the symptoms in the two diseases are quite different. But thinking that medicines used for Alzhei......he researchers asked the volunteers to perform the tasks as they experienced different levels of pain caused by the zapping of their hands by a harmless laser beam. During these tests, the volunteers brains were scanned using functional magnetic resonance imaging (fMRI). In this widely used analytical te...Chronically sleep deprived? You can't make up for lost sleep
...ot feeling sleepy even though their performance on tasks declined. The Northwestern teams results suggest that animals may undergo a change in their need for sleep, or in their sleep homeostat, in situations where normal sleep time is prohibited or where sleep could be detrimental for survival. An extrem...Bee researcher at Arizona State University is 1 of 20 new Pew Scholars in the biomedical sciences
...t usually forage outside of the hive) to revert to tasks normally performed by younger bees (that nurse larvae within the hive), is associated with reversal of several physiological markers of senescence. Her findings, and supporting findings from other groups, Amdam says, indicate that behavioral reversal...Weizmann Institute scientists develop a general 'control switch' for protein activity
...hout thousands of proteins performing myriad vital tasks within cells. Since malfunctioning proteins can cause disease, the study of protein structure and function can lead to the development of drugs and treatments for numerous disorders. For example, the discovery of insulins role in diabetes paved the w...Sleep deprivation affects airport baggage screeners' ability to detect rare targets
... in socially critical low target prevalence search tasks may be especially vulnerable to the detrimental effects of sleep deprivation, said Santhi. The amount of sleep a person gets affects his or her physical health, emotional well-being, mental abilities, productivity and performance. Recent studies a...Undergraduate research shows leaderless honeybee organizing
...of thousands of individuals to accomplish complex tasks manufacturing, community defense, environmental control and maintenance, food production, brood-rearing and education. Like human civilizations, bee societies follow organizational principles, such as following social rules (like human customs and l...Neuronal activity gives clues to working memory
...memory every day to keep track of faces and names, tasks at school or in the workplace, and other important bits of information. "This process is distinct, neurologically speaking, from the storage and retrieval of longer-term memories," explains Dr. Aksay, who is also assistant professor of physiology and...Envisat captures first image of Sargassum from space
...better, enabling the solution of massively complex tasks beyond the capabilities of a single machine or local network. By using Grid technology, Gower and King intend to compute 5-years worth of MERIS data to determine global estimates of Sargassum biomass and its contribution to ocean productivity. "So...Sexual orientation affects how we navigate and recall lost objects, but age just targets gender
...ntation has a real effect on how we perform mental tasks such as navigating with a map in a car but that ol... the locations of objects. However for a number of tasks the University of Warwick researchers found key differences across the range of sexual orientations ...Exercise reverses aging in human skeletal muscle
... make most people feel better and perform physical tasks better, it now appears that exercise specifically, resistance training -- actually rejuvenates muscle tissue in healthy senior citizens. A recent study, co-led by Buck Institute faculty member Simon Melov, PhD, and Mark Tarnopolsky, MD, PhD, of Mc...... relatives, the chimpanzees, which will in similar tasks always opt for the more effective way of attaining the goal. A number of such striking cognitive parallels between humans and dogs have been documented in recent years and are presumably due to the long intimate communicative relationships humans h...A relative of anti-aging gene Klotho also influences metabolic activity, obesity
...ormones found in many tissues that are involved in tasks such as wound care and skeletal development. Certain fibroblast growth factors are active only in fat cells, but it hadnt been known why. The UT Southwestern researchers discovered that beta-Klotho, which is active in fat cells, actually binds to...Cortex area thinner in youth with Alzheimer's-related gene
...sociated with differences in brain activity during tasks of learning and memory in children," said Shaw.......ne repression, allows cells to perform specialized tasks that are different among various organs. Previous studies have shown that genes are repressed when methyl molecules are attached to them a process called methylation but such studies have not shown that all genes are repressed exclusively by this m...