GSA release 02-55: Dec. Geology & GSA Today media highlights
...ter and life on Mars. Carbon and nitrogen isotope disturbances and an end-Norian (Late Triassic) extinction event...boundary suggest that the associated environmental disturbances may rival those at the close of the Triassic. Warming the fuel for the fire: Evidence for the ther...Actonel significantly reduced moderate and severe vertebral fractures
...t for at least 30 minutes. Hypocalcemia and other disturbances of bone and mineral metabolism should be effectively treated before starting Actonel therapy. Actonel is not recommended for use in patients with severe renal impairment (creatinine clearance < 30 mL/min). Bisphosphonates may...Alzheimer's disease may originate in the brain's white matter
... leave the axons unprotected, resulting in serious disturbances in nerve conduction and damage to brain functions, Roher says. Because neurons in the gray matter are vital to cognitive activity, scientists have generally assumed that Alzheimer's disease with its memory loss and other cognitive debilitations mus...Brain-derived neurotrophic factor (BDNF): From maternal deprivation to manic depressive illness
...s) is an episodic illness characterized by extreme disturbances in mood, including mania and depression. Family and twin studies have demonstrated a strong genetic basis for this disease but classical linkage studies - studies of inheritance patterns within families - have not found conclusive evidence for any o...Twenty-years of long-term ecological research: National Science Foundation releases review report
...ary production, nutrient flux, trophic structures, disturbances (such as fires and hurricanes) and organic matter accumulation and decomposition. In its second decade, the LTER program incorporated the advice of NSF's 10-year review report, and dealt with large-scale and cross-site ecological patterns and proces...Bioengineered, rhythmically beating heart muscle could aid cardiac research
...rdiac disease, including electrical and mechanical disturbances of the heart. Details of the heart tissue model are being presented Monday (Aug. 5) to the World Congress of Biomechanics in Calgary, Canada. "The purpose of our study was to explore the possibility that one could take isolated ...Molecular clues to an inherited epilepsy
...ense that mutations affecting the channels lead to disturbances of brain function. In 1998, a collaboration between George and colleagues in Australia identified the first sodium channel gene mutation associated with inherited epilepsy. Others subsequently identified additional sodium channel mutations linked to...Rainforest wildlife surprisingly sensitive to landscape changes
...nd to withstand external threats from such human disturbances as burning, logging and hunting. The Biological Dynamics of Forest Fragment Project, a joint effort of the National Institute for Amazonian Research (INPA) in Brazil and the Smithsonian Tropical Research Institute, seeks to answer questions about pla...Stanford researchers shine light on new genes involved in multiple sclerosis
...lly, the disease can lead to paralysis and sensory disturbances such as blindness or deafness. Steinman looked at which genes were being expressed in both acute and chronic attacks and compared them with the genes active in normal brain tissue. To do this, Steinman's team isolated messenger RNA from acute, chron...Study finds new reason for smokers to keep this unhealthy habit away from infants/children
...otein expression. This reduction may contribute to disturbances in smoker's surfactant production. Higher smoke exposure levels in other rodent species lead to increased expression of the NaPi-IIb cotransporter, suggesting a compensatory mechanism for surfactant production. Overall, these studies suggest that t...Stanford sleep experts treat medical condition behind violent 'sleep sex'
...ing on the severity of their behavior. Those whose disturbances were simply annoying included two women who made s... second group consisted of a man and a woman whose disturbances placed them at physical risk. They experienced periods of violent masturbation that left bruising or...'Night eating syndrome' may be related to the performance of the body -- not the mind
...sa , insomnia, and depression, have been linked to disturbances in the HPA axis. All of these disorders share some...suffering from night eating episodes have signs of disturbances in the HPA axis with an attenuated ACTH and cortisol response to CRH. The mechanisms behind the incr...Counterintuitively, after extreme droughts, wading birds flourish
...Unfortunately, the droughts or other environmental disturbances that spur the pulses also tend to be events that people have the most trouble living with, he said. The practical message may be that people should try to avoid mitigating these disturbances. If the birds depend on these pulsed conditions, there are...The influence of disturbance on tropical rain forest biodiversity: End of a controversy in sight
...ees as the canopy density increases. The effect of disturbances of various intensities on tree species diversity w...of commercial logging, or leaved untouched. Strong disturbances (such as intensive commercial logging), appear to favour pioneer species. If there are very little d...Like storm clouds, natural disasters carry a silver lining, biologist says
...nd fear is their destructive power, yet these same disturbances help create and maintain the biodiversity that benefits both the ecosystem and ourselves, Reice said. From producing clean air to breathe and clean water to drink, the ecosystems of the Earth make human life possible. Disturbances enhance the capacit...Studies offer data on potential impact of Reminyl on caregiver 'burden' in Alzheimer's disease
...he medication to delay the emergence of behavioral disturbances in many patients, including agitation, anxiety and hallucinations," comments Dr. Tariot. "The ultimate benefit may be that patients can stay at home longer, before full-time institutionalization or other types of chronic, professional care is require......systems more vulnerable to other natural and human disturbances such as nutrient loading, eutrophication, anoxia, disease, and climate change. Meanwhile various forms of human disturbance have increased and accelerated. Instead the scientists say, problems need to be addressed by a series of bold experiments to t...Arctic ecosystems being nibbled away
The Arctic's fragile ecosystems are threatened by disturbances from petroleum development to ecotourism. New research shows that even small disturbances may permanently damage tundra: for instance, the single pass of a heavy tank-like tracked vehicle ca...Using hard science to protect fragile seas
...er is to understand the interactions between human disturbances - such as collecting and trampling - and marine invertebrate communities.`` Hopkins Marine Station and the Monterey Bay National Marine Sanctuary offer the ideal setting for conducting that kind of research, Micheli adds. And the view from her offi...While human disturbances can destroy ecosystems, new research shows that a ... priority and this is the first study of how human disturbances affect them. "Forest destruction is a reality and finding that forests subject to human use can sup...