Hormone helps fish to mate, may affect human hearing
...oss of estrogen production in the ovary, that also shows an early onset in progressive high-frequency heari...ed, in part, by the National Institutes of Health, shows how steroid hormones can help shift the sensitivity of the auditory system to pay more attention to ...Leading scientists design new framework for biodiversity conservation
...in the August issue of the journal Ecology Letters shows that elaborate modeling efforts used to guide land conservation result in plans that are rarely achievable in the real world--and may actually be counter-productive to achieving long term protection of plants and animals. "Conservation agencies are...ORNL nanoprobe creates world of new possibilities
...ion of light, known as Raman scattering. The light shows vibration energies, which are unique to each compound, and that information allows scientists to identify the substance. With the SERS nanoprobe, the laser light creates rapid oscillations of the electrons in the silver nanoparticles, which produce a...Vioxx in high doses causes hypertension
...there for chronic pain, there's been no study that shows that 50 is better than 25. "This is really common with a lot of drugs, that there's a ceiling on the effective dose But unfortunately, there's usually not a ceiling on the side effects." Griffin and her colleagues, who include Wayne A. Ray, Ph.D., p...New 20-year study links COPD and asthma
New research shows that adults with asthma may have an increased risk...evelop features that are quite similar. Our study shows a strong link between asthma diagnosis and the development of COPD, which suggests they may share a ...Warren Pharmaceuticals publishes results of preclinical evaluation
...uce red blood cells. The current and ongoing work shows that these compounds are also candidates for treatment of chronic diseases such as congestive heart failure, diabetic retinal disease, and kidney failure, among many other maladies. "Use of these compounds has the potential to fundamentally alter cur...University of Chicago scientists pinpoint cellular cause of SIDS
...e mother that something is wrong. The Neuron paper shows that the breathing rhythm is a much more complicated system than previously thought, revealing that the two different states depend on two different pacemakers. "In normoxia, it's a complicated network, and if you take away one component, the rhythm ...Spanish scientists develop powerful tool for exploration and integration of biological information
...loration of the information space. The iHOP system shows that distant medical and biological concepts can be related by surprisingly few intermediate genes; the shortest path between any two genes involving on average only four steps. Hoffmann and Valencia expect this highly connected network to trigger a...Protein controls acid in cells by direct detection of volume changes, study finds
...and proliferation act on NHE1, he said. "Our study shows that as cell volume increases, this transporter turns off. If volume decreases, it turns on by directly sensing mechanical changes in the membrane," continued Dr. Hilgemann. The NHE1 transporter is a protein of much interest to drug developers invest...JCI table of contents, 1 July 2004
...etion system to the immune system. The mouse model shows that when a specific immune cell receptor called CD40 is activated early in pregnancy the resulting inflammatory response caused embryo resorption. The researchers traced the molecular mechanisms underlying this process, and found that the loss of th...Microscopy scans show how brain cells process energy
...croscopy imaging of intrinsic fluorescence in NADH shows that early oxidative metabolism in neurons is eventually sustained -- after about 10 seconds -- by late activation of the astrocyte-neuron lactate shuttle. Neurons, even at rest, are always burning glucose and they continue to do so when a signal beg...A pregnant pause for unexpected interactions
...tem to the immune system. The mouse model shows that when a specific immune cell receptor called CD40 is activated early in pregnancy the resulting inflammatory response caused embryo resorption. The researchers traced the molecular mechanisms underlying this process, and found that the loss of t...Birds show superior listening skills
...humans, rats, and three different species of birds shows that the birds--even ones that have been raised in isolation--are better at identifying, classifying, and memorizing absolute pitches than both humans and rats, with humans performing just slightly better than rats. "It's amazing how dissimilar the r......vation benefits," say Mas and Dietsch. The study shows the important transparency provided by certification programs and the valuable role of science in evaluating criteria. The researchers suggest ecologists can test the underlying assumptions in maintaining an ecologically sustainable certification wh...Measuring blood sugar with a wave of the arm
...iety, the world's largest scientific society, also shows promise for monitoring environmental toxins and terrorism agents like ricin. "The vision of our work is a passive sensor of virtually unlimited lifetime that could be placed in the tissue of the skin," says Craig Grimes, Ph.D., a professor of electri...Noah's modern ark: The role of ART in conserving endangered species
... successful multi-dimensional management programme shows the way for the future in ART. "We have a 10-year plan in place to produce lots of baby pandas that can contribute to a successful, self-sustaining captive population that in the future will allow successful reintroduction to the wild. The goal is ...Scientist honored for studies of genetic influence on chemotherapy, tumor development
...ncer research. It is awarded to an individual who shows promise for continued substantive contributions to basic cancer research, and is intended to foster the research productivity of the recipient by enabling him or her to devote more time to basic research. The professorship provides a one-year grant o...Study sheds new light on genetic risk for Parkinson's disease
...ssue of the journal Neurology. "It basically shows that neurodegenerative diseases may differ in significant risk factors, contrary to prevailing views," said lead author Dr. Xuemei Huang, assistant professor of neurology in UNC's School of Medicine. The gene APOE refers to apoliprotein E, whi......of providing standardised conditions. The research shows that comfortable and sustainable environments are a product of interactions between the multiple actors involved in the design process. Possibilities for the reconditioning of indoor environments are diverse, but the researchers suggest that design d...