Neural biology explains ejaculation
...ory has done in understanding ejaculation and then discusses her current work in how chemical signals on this pathway contribute to pleasure and reward, key elements in sexual behavior. Dr. Coolen is this year's recipient of the American Association of Anatomists' C. J. Herrick Award in Comparative Neuroanato...Stem cells: From bone marrow to pancreas
...xpert at Rockefeller University, New York City,who discusses the findings and their implications in an accompanyingcommentary, suggests that "the use of bone marrow as a source of pancreaticbeta-cell precursors has the potential for ex vivo expansion,differentiation, and autologous transplantation"....Laser-pulse technique could aid drug design
...ine poisoning on the nervous system, he says. Hess discusses his laser technique, which could enable drug design and testing for a variety of neurological disorders, in a press briefing scheduled for Saturday, Feb. 15, at 1 p.m. Mountain Time in Room C 110-112 of the Colorado Convention Center, Denver. Later,...Popular Science outlines need for long-term studies and more regulation in A.R.T.
...ead risks. PopSci magazine's article examines and discusses the need for regulation and increased research into fertility methods. The complete story can be found exclusively on AOL in the Health Channel (Keyword: Health Poll) beginning on February 6. Beginning on Monday, February 10, it can also be found a...In search of genetic precision
...a gene and a particular disease are published, and discusses the criticism that scientific journals-including THE LANCET-have received when they report these studies. The main reason association studies are published is to provide 'a first clue in the search for therapeutic targets.' However the bias towards ...JCI Table of Contents, January 2, 2003
...of TexasSouthwestern Medical Center in Dallas, who discusses the findings in thecontext of other recent results that also suggest that nicotine and itsderivatives, in addition to their addictive properties, can directly promotecancer. In light of the mounting evidence, as Dennis and colleagues suggest, itmigh...New books show social side of weather and climate
...n how to read them. The chapter on climate change discusses how scientists know the average global temperature is rising and examines the uncertainty introduced by "wild cards" that could be influencing how warm Earth gets. "Weather around the World," the core of the book, provides succinct summaries of the...JCI Table of Contents, November 18, 2002
...titute ofMedical Research in Melbourne, Australia, discusses the findings in thecontext of our understanding of bone metabolism and comments on potentialtherapeutic benefits and risks of PTHrP inhibitors in cancer. PTHrP secretion by tumor cells frequently causes another complication incancer patients, namely ...Report examines use of antibiotics in agriculture
...a critical assessment of that impact. The document discusses best approaches to understanding and investigating antibiotic resistance, transfer of antibiotic resistance genes, and intervention strategies to prevent the selection and spread of antibiotic resistance genes. Importantly, "The Role of Antibiotics ...Mosquito genome sequence--Published in the journal Science
...pment. A report by Sarah K. Volkman and colleagues discusses a high-throughput array technique that helps ident...e replacement antimalarial drug. Thomas E. Wellems discusses the genetics of chloroquine resistance, and how the newly mapped genome of the Plasmodium falciparu...Breast cancer gene repairs damaged DNA
...authored an accompanying article in Science that discusses the implications of the findings by Pavletich and his colleagues. Pavletich's team encountered several major technical hurdles, the first of which involved producing a segment of the BRCA2 protein -- called the C-terminal end. "We chose this fragment...AAAS at the BA: Whale food, winners and losers in Antarctica and solar insights
...re of today and tomorrow." At the AAAS panel, Peck discusses the latest thinking on the chances of survival or extinction for Antarctic animals by comparing results from fast-changing lakes with observations of the Antarctic marine environment - possibly the most constant temperature regime on Earth. In the 25...Mayo Clinic Proceedings features primers on medical genomics
... to meet tomorrow's challenges." The first article discusses humankind's earliest efforts to understand traits and their applications to plants and animals, and moves through a genetic history to the latest advancements in modern genetics. It also summarizes the "first draft" of the human genome sequence. The ...ASPB Annual Meeting, August 3-7, media tip sheet
...e lyase. Dimuth Siritunga, Ohio State University - discusses domestication of cassava: generation of cyanogen-free cassava. Ruediger Hell, Institute of Plant Genetics and Crop Plant Research - explains how over-expression of feedback-insensitive serine acetlytransferase leads to elevated cysteine and glutathio...'Nature' report: Researchers genetically alter mosquitoes to impair malaria transmission
...sor of Genetics Marcelo Jacobs-Lorena, Ph.D., that discusses research into transgenic or genetically altered mosquitoes that prevent the passage of malaria from one individual to the next. The paper is titled Transgenic Anopheline Mosquitoes Impaired in Transmission of a Malaria Parasite. There are thou...Horseshoe crabs survival rate after biomedical bleeding is high
...Existence, 100 Years of Study." The review article discusses the various economic stakeholders involved with the horseshoe crab, including eco-tourism groups associated with bird-watching, the commercial fishermen who use the horseshoe crab as bait, and the biomedical industry with its increasing demand for ho...Cells in patients noses hold potential to restore function in spinal cord injury
... J. Jones, Loyola University in Chicago, the panel discusses the location and structure olfactory ensheathing c...eto presents the data from her adult rat study and discusses the advantages of using olfactory ensheathing glia to treat spinal cord injuries in mammals. An imp...Progress in the genetics of autism
...sity of Chicago, Chicago, IL 60637, USA This paper discusses the results of an association analysis, examining the 155CA-2 gene using the Transmission Disequilibrium Test (TDT) in a set of 80-autism-affected families (59 multiplex and 21 trios). In addition, the authors applied four additional markers localize...Report supports sustainable food production
...ciated with current food production practices, and discusses the emerging sustainable agriculture movement that offers a viable alternative to the dominant system. The bad news is that the way we grow food now cannot be sustained into the future. Industrial agricultures damaging impacts on the environment and ...New theory of the evolution of bird flight linked to parental care
... before flight, Carey adds. In this paper, he also discusses why flying dinosaurs with nonfeathered membrane-like wings, such as the pterosaurs, became extinct. He suggests that they perished, not because they were out-competed by birds but because they lacked the sophisticated parenting skills needed to cope ...