Rumors of male chromosomes demise greatly exaggerated, study finds
...that the Y chromosome has become very efficient at preserving its important genes," said co-lead investigator Richard K. Wilson, director of the Genome Sequencing Center at Washington University School of Medicine in St. Louis. "It's found different ways to do the things chromosomes must do to evolve, survive a...The Year of Biodiversity and Conservation
...ect their natural resources and, at the same time, preserving that biodiversity." For more information on The Year of Biodiversity and Conservation, call The Field Museum at 312-922-9410 or check the museum's web site: www.fieldmuseum.org ....Biodiversity has roots in global health
...hat people understand the longer-range benefits of preserving biodiversity. He points out that China holds a wealth of known and as-yet-to-be-discovered plants and animals with medicinal benefits. "Once a species is lost, it cannot be restored," he said. "This isn't like air or water pollution, which can be f...Evidence shows the heart has stem cells able to regenerate muscle tissue lost to disease, wear
...then all therapeutic interventions had to focus on preserving the heart cells remaining after the destruction of heart attack or simply the wear and tear of age or physiological or pathological stress. Furthermore, if no new myocytes were being generated, that by definition meant all the body's heart muscles ...Scientists find evidence for crucial root in the history of plant evolution
...ying the organic matter in the fossils while still preserving the spatial context, Cody turned to his collaborat...r that was embedded in the chert, while completely preserving the anatomical detail. Paleobotanists have been using this method for years. "The entire phylogeny ...Underwater sensor system could protect reservoirs, drinking water
...s the sensor data from all the nodes in its memory preserving the identity of the node that produced the data so that water-monitoring personnel can track unusual readings or contaminants to their source location. The researchers designed the nodes so that the chemical sensors are immersed in water separate f...Body hormone ghrelin, a food intake and weight gain influence, is found to promote sleep
...y to the body; a decrease in body temperature thus preserving energy; a lowering of metabolic activity enabling tissue repair and growth; an increase of natural immune-system modulators; and a period in which the growth hormone secretions reach their peak, thus stimulating body growth and development. A New S...Promising new tool shows how dividing cells finish what they start
...ecision of a scalpel, both freezing the action and preserving other molecules and functions for detailed study. Myosin the protein responsible for the contraction of muscle - is central to many aspects of human biology, including heartbeat, breathing and movement. Myosin mutations can cause heart disease, deaf...Study pinpoints regulator of imprinted gene expression
...romosome, keeping many of its genes inactive, thus preserving female embryo survival. The study team created female mouse embryos that lacked a copy of Eed. As a result, the paternal X chromosome was shut down only temporarily and then came back on with subsequent problems in placental formation. "Basically, Ee...Glowing bacteria show researchers how an anti-flu-virus drug may prevent bacterial pneumonia
... blocking the virus NA enzyme with oseltamivir and preserving the protective sialic acid molecules." The St. Jude team also studied the effect of oseltamivir on bacterial pneumonia using live mice infected with genetically modified streptococcus. These modified bacteria were engineered to carry on a light-produ...Scientists crack the black box of coastal ecosystems
...account the movements of larvae, the importance of preserving individuals and habitats, interactions among species, and how all of those change with larger scale ocean processes such as El Nios, regime shifts and climate change. PISCO scientists are beginning to "visualize" the 3-D spatial and temporal variabil...Researchers help trace origin of Madagascars mammals
...dicated to genetic analysis, and understanding and preserving the world's biodiversity. The lab provides researchers with state-of-the-art equipment in molecular biology, enabling them to pursue genetic studies of evolutionary diversity throughout the tree of life. The study was supported by grants from the Nat...Regeneration Technologies introduces advancements at AAOS
...donor to recipient disease transmission risk while preserving tissue strength and biocompatibility. WHAT: Regeneration Technologies events at the meeting include: Presentation of two scientific papers involving biomechanical properties of allograft tissue after sterilization. Introduction of an excit...Field Museum uncovers evidence behind man-eating; revises legend of its infamous man-eating lions
... impact on serious conservation efforts focused on preserving lions in the wild," Gnoske says. Man-eating: A Social tradition In a few well-documented, localized incidents, man-eating appears to be a learned behavior. Once lions establish a pattern and begin to prey regularly on humans, they can pass it on t...Ocean report calls for the immediate creation of marine reserves throughout the United States
...ocal benefits and will generate a whole new way of preserving the oceans for coastal communities." Establishing new marine reserves will not be easy, he concluded. "It's going to take a long time. We have to start now because it will take time for people to get used to the idea and to have input into the proces...New role for tamoxifen as fertility drug for breast cancer patients?
...periment arose from a desire to find a safe way of preserving fertility among the 15% of breast cancer patients ...omen's lives should also turn out to be a means of preserving their fertility," he added. He urged all breast cancer physicians to be aware of the effect of chem...'Scientific balancing act' dominates AAAS top ten list of science policy stories for 2002
...reatened indigenous cultures, UNESCO is devoted to preserving natural resources and native knowledge. America's reunion with UNESCO was welcomed by the organization and its members, from both developed and developing countries. Reentry is planned for September 2003. Among the remaining issues is whether the U.S...Two landmark fertility studies give hope to young male cancer patients
...blished in Human Reproduction[1] bring new hope of preserving fertility for boys who face sterility after cancer...A uniquely large study examining the prospects for preserving the fertility of adolescents[3] treated for cancer found that more than 85 per cent of the boys aged...UN Foundation & Conservation International forge $15M partnership to protect global biodiversity
...ain both communities and the future of humanity by preserving our world's most treasured resources." Through CI, the World Heritage Center will be able to tap into existing networks in order to bring on-the-ground conservation capacity to their efforts. CI's strengths include conservation science, protected ar...Hopkins researchers find postoperative fevers common following hemispherectomy
...t removes the overlaying gray matter of the brain, preserving the white matter around the ventricle. Medical records were examined for information regarding immediate postoperative problems and care. Researchers found that few postoperative fevers were caused by serious postoperative complications, such as ba...