Researcher Discovers Key Brain Center For Speech
...sula" seems to be a crucialimpediment to the motor control necessary for words and sentences. For example,someone with damage to the insula might sound tongue-tied over such wordsas "tree," pronouncing them instead as "dree" or "free." "We may have found an area that in the very least is signficantly relate...Scientists Identify Gene For Sexual Behavior In Male Flies
...een speculation recently that no single gene could control acomplex behavior. This work shows that a gene can do so -- at leastin fruit flies," said Stanford biologist Bruce Baker , one of the fourprincipal investigators of the study. The gene fru governs the fly's courtship andmating ritual, including t...Pinpoint Gene Control Holds Promise For Nervous System Studies
Scientists have taken their control over genes one stepfurther by developing a technol...d make apermanent genetic modification." Such control is especially noteworthy in the brain becauseof its networking properties, notes Dr. Federoff. "The ...Prostate Cancer May Be Predicted 10 Years Before Diagnosis
... cases (0.13?0.01) compared to BPH (0.17?0.01) and control cases (0.21?0.02). The values that most accurately detected prostate cancer were free to total PSA ratio of ?0.12 when total PSA was between 4.0 - 10.0ng/ml. "The majority of men who have elevated PSA levels and have further diagnostic tests, such a...Bottom-up Ecological Processes Better For Clear Waters, Study Finds
... a lake's foodweb cannot exert enough influence to control the algae feeding on pollutingnutrients coming int...r clarity would increase. This idea of "top-down" control of the food web is known as the"trophic cascade hypothesis," named and popularized by StevenCarpente...ORNL Finds Common Genetic Cause For Epilepsy, Migraine
...tering mice -- aptly named for their lack ofmuscle control -- represent mouse models for both diseases. These models,developed with the help of a human chromosome 19 map from the Human GenomeCenter at Lawrence Livermore National Laboratory (LLNL), are likely to beuseful for further studies. "Knowing what it ...Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"
..., however,MicroFlyers must use radically different control techniques. Georgia Tech engineers are developing <AHREF="http://www.gtri.gatech.edu/aero-gtri/aeroacou.htm">innovativecontrol concepts . Research Engineer Robert Roglin in the <AHREF="http://www.gtri.gatech.edu/">Georgia Tech Resea...Scientists Determine 3-D Crystal Structure Of Cancer-Causing Protein
...growth. Mutationsthat alter the normal function of control proteins result in unchecked growthand differentiation--cancer. In a process called phosphorylation--often thefirst step of signal transmission inside a cell--an enzyme called a kinaseattaches a highly charged phosphate group to a tyrosine, one of th...Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
...avior modificationtherapy. These treatments target control of symptoms, not elimination ofcauses. Medical personnel often consider the onset of tics or other involuntarybehavior in children to be the result of parental pampering and coddling, saidPatricia Moore, president of the Rhode Island Chapter of the...Team Identifies Switch For Tumor Suppressor Gene
...cell growth. The work is a first steptoward better control over a gene that plays a role in many casesof huma...away cancer cells. One way of doing that may be to control acell's proliferation through manipulation of the RB protein." The Rochester group has identifi...Duke University Students Devise Devices For The Disabled
...era vision and collision sensors that children can control with a joystick. "It's the kind of control the kids typically have on their poweredwheelchairs," Bohs said. "The child looks at a TV monitor an...Pets Provide Physiological Benefits For Women Living Alone
...t social support, pet attitudes and their sense of control over their health. Participants' blood pressure and heart rate were taken at home four times during the six months. A computerized monitor recorded cardiovascular measurements every five minutes for 40 minutes at each session. Researchers were no......rferon, it could potentially bring the virus under control and allow the body's immune system to knock it out." Katze cautions that while his team's research is an important first step, a therapy for HCV is not around the corner. The study is published in the April 14 edition of Virology (vol. 230, n...NIH Team Discovers Endocrine Tumor Gene
...te the presence of an entirely new pathway for the control of cell growth," says Dr. Collins. MEN1 is expressed throughout the body, not just in the endocrine glands as scientists might have predicted based on the endocrine tumors characteristic of the disease. The researchers say they wouldn't be surprised ...Newly Identified Tomato Gene Appears Key To Fruit Softening
A gene known to control production of proteins believed to allow plantcells to elongate during growth also appears to play a key role in fruitripening, according to researchers at the University of California, Davis. The researchers, who identified and cloned the gene in t...Houseflies May Transmit Ulcer Bug
...es toeither a culture of the bacteria or a sterile control plate. After exposure,flies were removed from both the sample and the control group andtested at intervals of six hours for the presence of the bacteria on theirskin, in their di...Natural Shelters on Leaves House Plant Bodyguards
...t pest of cotton nationwide, havebeen difficult to control because they produce a new generation every sevent...oils and mostly chemical miticides in an attemptto control spider mites. With the use of two pesticide sprays, 5 percentof the cotton yield is usually lost to ...Cricket And Chemistry Combine To Provide New Understanding Of How Fats Work
...ther to examine how it can assist with the quality control processes of Italian producers of extra virgin olive oil....Enhancin Protein Attacks Insect Immune System
...t in the insect's immune system against biological control agents. We've finally defined the site of the action of enhancin on the peritrophic matrix." Enhancin binds to a major mucinous protein of peritrophic matrix, destroying the matrix structure, thus allowing the baculovirus to pass through this relat...How Dry Is The Tropical Free Troposphere? Implications For Global Warming Theory
...odels do not accurately handle the processes which control thehumidity in this region, which are related to how much cloud material fallsout of rainfall systems. Dr. Spencer, NASA's Senior Scientist for Climate Change, will be discussingthese latest published results, as well as the state of the global warm...