Butterfly Wings, Beetle Horns Teach Biologists Basic Lesson In Development's Laws
...he organism can dynamically shunt food between one system and another towhere it's needed." Importantly, the phenomenon was demonstrated in two very differentspecies, indicating that it is able to be generalized, Nijhout said."Evolutionarily, butterflies and beetles are about as far apart as peopl...Seeing How the Brain Changes During Aging
...cercarbon-11, researchers can observe the dopamine system in action with a PETscan. The Brookhaven team used these radiotracers to study persons ranging inage from 23 to 86. The researchers asked each person to perform motor andcognitive tests and then used the PET scan to "watch" how their dopamine system...Insect Taste Buds Target Of Control Method
...re a direct connection between the central nervous system and the outside. Insects are also specialty feeders, targeting one or two plant types as their primary food and starving if those plants are unavailable. Taste is very critical to insects. Mullin does not know what insects perceive as taste, bu...Motivating Muscles: New UD Study Might Help People With Paralysis 'Stay Strong Longer'
...electrical shocks. Mimicking the central nervous system "When a person's central nervous system 'turns on' a muscle, it uses anirregular pattern of pulses during activation," says Binder-Macleod, ...Researchers Discover Ways The Ulcer/Cancer Bug Can Trigger Disease
... Faced with this molecular mimicry, the immune system attacked themouse's own acid-producing cells as well as the bacteria. The Leb mice developed aninflammatory reaction that resembled chronic active gastritis found in humanswith symptomatic H. pylori infection. Their parietal cells disappeared, as the......ure its feasibility, or involves using a new model system or technique. The research must fall within the confines of NIGMS' mission, which isbroad-based, fundamental research in areas such as cell biology, biophysics,genetics, developmental biology, pharmacology, biochemistry, bioengineering,anesthesiology...Shuttle Mission's "Neurolab" To Study Nervous System
... otolithsin fish (and in humans). In humans, this system is a component of the inner ear. "Gravity...ffers potential use as a connection to the nervous system inpeople with deafness caused by hair cell damage. The electrode might alsosomeday be used as an in...Adults Need To Increase Intake Of Folate; Some Women Should Take More
...ring thedevelopment of the fetus's central nervous system in the first month ofpregnancy, when most women do not realize they are pregnant. A common type ofcongenital malformation of the central nervous system, neural tube defects mayappear as incomplete closure of the spinal column or even the absence of ...Tinkertoy Robot Shows How Humans Walk
...t can walk stably down a slope without any control system whatsoever." With help from Andy Ruina, director ...m. "While some scientists believe that our nervous system largely coordinates balance and locomotion, our research further suggests that the passive interacti...Among Wrens, Moms Teach Daughters To Call, Dads Teach Sons, Study Reveals
...gy. The stripe-backed wrens' communication system is unlike that of anyother known birds, he said. S...gsfrom unrelated neighbors," Price said. "This new system of the stripe-backedwrens makes you wonder. Why aren't the daughters learning from their fathers,and...Scientists Discover A Secret Of Bacterial Communication
...eresistant to attack by antibiotics and the immune system than they are asindividual cells. This resistance presents a difficult problem for physicians, but recent researchhas revealed a way in which the biofilm fortress might be attacked. Dr. E.P.Greenberg, University of Iowa professor of microbiology and ...Spinal Cord Injury Treatment May Improve With New Findings On Nervous System Damage
...might die after catastrophes inthe central nervous system and how this loss might be prevented. John W.McDonald, M.D., Ph.D., and Mark P. Goldberg, M.D., assistant professors ofneurology, and Dennis W. Choi, M.D., Ph.D., the Jones Professor and head ofneurology, discovered that oligodendrocytes succumb to ...ASU Scientists Make Major Breakthrough With Photosynthetic Energy
...ynthesis. Reported in Nature magazine April 2, the system duplicates the capture of light energy and harness...fic team "constructed an artificial membrane-based system that uses light to power the synthesis of ATP." ATP is a carrier of chemical energy in all living or...Scientists Seek Early Warning Of Drinking Water Threats
...ses, people rely exclusively on theirbody's immune system to fight them off. Mortality rates can be high amo...The city of Kenosha is installing amicrofiltration system for city water, and the city of Milwaukee is upgradingits filters and installing ozonation. Harringt...Possible Trigger For Heart Failure Identified In Lab Animal Studies
...ammation thatinclude overstimulation of the immune system to produce a family of cells,including TNF, which are intended as wound-healing. Bristow, an international scientific expert on heart failure, says thatthe Dallas team's research "provides additional evidence that cardiacinflammation can ev...Molecular Memory Tunes Adrenaline To Stress
...ng of chemical signaling cascades in the endocrine system could lead to better medical therapies -- perhaps even gene therapy -- for conditions such as hypertension and heart attack, predict McCobb, an assistant professor of neurobiology and behavior, and Xie, a postdoctoral researcher in the McCobb's depar...U-M Engineers Win Army Grant To Build Artificial Eye
...ppens in between. To preserve the color, the lens system could befollowed by a set of microprisms, which wi...and sometimesboth at once. And finally, the whole system will have to be mounted in such away that it is not sensitive to movement, either by using minute gy......med to fail. There is norestoration of the immune system in the treated people and the virus willeventually become resistant to the drugs." Already, Levy pointed out, several people on drug treatment have resumedproduction of high levels of drug-resistant virus. "Unless anti-AIDS treatments also attack the...Infant Dependency Drives Menopause, NSF-Supported Researcher Reports
.... That is, as an individualages, the reproductive system is the first to go, but that's okay at the pointwhen the individual won't live long enough raise an additional baby, he said. "Since humans have a more prolonged period of infant dependency than otherspecies, we'd expect menopause to occur earlier in...Jefferson Scientists Link Some Cases Of Scleroderma To Damage From Lingering Fetal Cells
... to long-dormant fetal cells stirring an immune system reaction. Sergio Jimenez, M.D., Dorrance H. ...s complication seen when the body’s immune system rejects a bone marrow transplant. "What’s unusual is that in classic chronic graft-...