Is more better: Counting birds may only tell part of the story
...rs provide several examples of the impact of human disturbances on bird populations. The black-throated spa...cological opportunities" that may arise from human disturbances and learning to avoid ecological traps. For a global understanding of these results, Bock an...Large-scale forces shape local ocean life, global study shows
... area of ocean predation, species competition and disturbances such as hurricanes or landslides would play a central role in limiting the number of species found there. But Witman and his team found that species diversity in local areas, no bigger than a half-mile square, was directly proportional to speci...Reductions in blood oxygen levels in newborns could contribute to ADHD development
... the newborn brain is somewhat resistant to subtle disturbances in blood oxygenation. This study demonstrates in rats, however, that while long-term decreases in the release of dopamine can occur following as few as five days of subtle, repetitive reductions in blood oxygen levels during a critical window of bra......enteric and motor neurons, as well as the expected disturbances in development. However, when they next generated mice that were only capable of expressing GFR1 only in the RET-expressing cells (by cloning GFR1 cDNA into a region under the control of the Ret promoter and crossbreeding the resulting animals with G...What have scientists learned since Mount St. Helens erupted?
...y well expect Mount St. Helens to cause additional disturbances to the surrounding landscape during this next century," Crisafulli explains. "Since 1980, the volcano has made a great template to study disturbance. More than 100 physical and life scientists have studied the 1980 eruption and subsequent ecological ...NASA finds trees and insect outbreaks affect carbon dioxide levels
...ited States. The second study involves large-scale disturbances to greenhouse gases detected using global satellit...s, as among the most important causes of ecosystem disturbances in North America," Potter said. According to scientists, the reason insects affect the planet's carb...Solving the mechanism of Rett Syndrome
...he DLX5/6 gene neighborhood may also involve other disturbances in gene expression. Similar rearrangements, with equally profound effects, may be found among the five dozen other genes targeted in the brain by MeCP2, which are now under active investigation by Kohwi-Shigematsu and her colleagues. "Los...Mayo Clinic researchers discover new kind of heart failure gene
...annel has been strongly implicated in heart rhythm disturbances may have hindered identification of its role in he...ld begin long-term studies of patients with rhythm disturbances caused by SCN5A, to see whether they also are at risk for DCM."......ntrol chemical reactions. They explain that random disturbances in industrial mixing tanks could be promoted to make a reaction proceed more efficiently and so reduce chemical waste, making the chemical industry a little more environmentally friendly....New neurons born in adult rat cortex
... the adult brain involved in the thinking and mood disturbances of depression and anxiety? Now, scientists at the National Institute of Health's (NIH) National Institute of Mental Health (NIMH) have found newly born neurons that communicate via the chemical messenger GABA (gamma-aminobutyric acid) in adult rat ...Alcohol 'binges' in rats during early brain development cause circadian rhythm problems
... clearer information as well as focus on potential disturbances in a specific brain function - circadian rhythms - that has not been studied in relationship to FAS but which has implications for FAS and, indeed, for all of us. During this period equivalent to the third trimester in humans, rat pups were given eit...U. Iowa researchers improve Huntington's disease symptoms in mice
...amage leads to the movement disorders, psychiatric disturbances and cognitive decline that characterize this disease. "Many of the current approaches aimed at treating HD are indirect and target the symptoms of the disease. RNA interference gives us the first opportunity to attack the fundamental problem and redu...For sardine and anchovy, El Nio events do not always have the same effects
...l location brings it under the direct influence of disturbances generated by the El Nio-La Nia events which arise every 3 to 7 years. Other climatic cycles, called El Viejo-La Vieja by reference to the first two, also bear influence, but on a longer time-scale with a period of about 50 years. Large-scale alternat...PNAS highlights for the week of April 4 - 8
...f serotonin in the developing brain and imply that disturbances in proper serotonin levels may lead to long-lasting functional and behavioral abnormalities. --- RNA Interference for Treating Huntington's Disease Mice with Huntington's disease reportedly respond well to treatment with RNA interference (RNAi), wh...Talking robots, green buildings, and shockwave healing
...WAVE HEALING Shock waves, high-pressure acoustic disturbances that travel from one region to another, are already used to break up kidney stones. But new uses have emerged. Austrian surgeon Wolfgang Schaden ( ismst@aon.at ) will describe the use of shock waves on patients to heal non-union fractures, those t...Case Western Reserve University School of Medicine gets $4 million to make 'smart nanoparticles'
...reatments to prevent and cure dangerous electrical disturbances of the heart that dramatically increase the risk of stroke and death. Other Ohio partners include the University of Cincinnati and AtriCure, Inc. in Cincinnati, which provides doctors with alternative, more effective surgical technologies. The Cleve...Clincal trials indicate NEXIUM can reduce upper GI symptoms in patients using NSAIDS
...e NSAIDs regularly are at a high risk for upper GI disturbances including dyspepsia, abdominal pain, and heartburn. Although reducing the NSAID dosage or discontinuing therapy might ease GI symptoms, these alterations often are not an option for many patients because of the chronic nature of their underlying con...The AIUM celebrates 50 years at the 2005 AIUM Annual convention and preconvention
...my; and diagnose and manage complex cardiac rhythm disturbances in the fetus. Three easy ways to register: 1.) Online www.aium.org 2.) Fax 1-301-498-4450 3.) Mail AIUM, 2005 AIUM Annual Convention, 14750 Sweitzer Ln, Suite 100, Laurel, MD 20707-5906 USA *Registrations will be accepted only until Ju...Prehistoric decline of freshwater mussels tied to large-scale maize cultivation
...decline in these animals implies that larger-scale disturbances such as sedimentation and nonpoint-source pollution may have an equal impact." Among freshwater mussels, members of the genus Epioblasma -- commonly called riffleshell -- are the most endangered. Epioblasma consists of 20 species and eight subspecies...... areas, especially those particularly sensitive to disturbances such as cold seeps and seamounts. "While it is impossible to quantify the damage caused by such research on the deep seabed environment, threats include destruction of habitats, unsustainable collection, alteration of local hydrological and environme...