Scientific American launches innovative new version of magazine
...ce and technology authorities have explained their work directly to the public, said John Rennie, Scientific Americans editor-in-chief. The new, reengineered version, with its heavier emphasis on explanatory images, bulleted summaries and greater interactivity with the web site, will help both mainstream ...Alzheimer's prevention role discovered for prions
...ress of Alzheimers. However, theres still a lot of work to be done in looking at levels of prions in the human system and how these may alter as we age....New medical implants should react with the body, not seek to be inert
...oth of these let the implant and the body actively work together, rather than simply try to prevent them fighting against each other. Ratner looks forward to an exciting future. These sorts of ideas will lead to a new biomaterials science that will permit us to make materials for medical devices that fu...Risk-taking in infertility treatment correlates with women's negative moods
...lth Sciences Centre, London, Canada, said that his work could lead to better understanding of the importance of couples emotional health during IVF treatment, and the effect this has on their decision-making. A reduction in the incidence of multiple pregnancies with IVF requires the transfer of fewer, a...Waging war on the deadliest superbug
...s largest studies into C.difficile (C. diff). The work funded by the Medical Research Council, follows a scientific breakthrough by CHAI microbiologists that is set to revolutionise the genetic analysis of Clostridium difficile and its close relatives. Until now scientists have understood very little a...'Sundried tide' -- silent, natural disaster
...ff the Queensland coast. While doing some field work we noticed that all the corals in the area were about to die, so we took the opportunity to record the event, Dr Kerswell said. Their observations led Dr Anthony and Dr Kerswell to investigate the mysterious coral deaths on Orpheus Island a study...Cloning the male genome may help infertile men
...embryo which is implanted is healthy. Since this work aims at preserving the contribution of both parent...will be able to be used in humans. There is much work still to be done to understand why impaired development and abnormalities in the embryo occur, and t...Scientists find endangered grey-shanked doucs in Vietnam
...mpact, Duong said. I look forward to continuing my work at the site to ensure that this population is protected. The doucs are located in the proposed Central Quang Nam Species and Habitat Conservation Area, which the Quang Nam Forest Protection Department (FPD) hopes will receive full legal protection ...Antibody linked to MS significantly higher in spinal fluid of blacks
... first author John R. Rinker II, M.D., who did the work as a fellow at Washington University School of Medicine in St. Louis and is now assistant professor of neurology at the University of Alabama at Birmingham. "No one really understands yet why inflammation levels differ from one MS patient to the next...JCI Table of Contents -- July 2, 2007
...ed with neutrophil antimicrobial peptides. Further work to identify how these antimicrobial peptides are regulated may facilitate prevention and treatment of TB. TITLE: Neutrophil-mediated innate immune resistance to mycobacteria AUTHOR CONTACT: Adrian R. Martineau or Robert J. Wilkinson Wellcome ......ts promote the practice of radiation safety. They work in occupational environments such as universities,...vide an overview of the international radiological work that this agency performs. Khammar Mrabit of the International Atomic Energy Agency will address th...The Cancer Genome Atlas awards funds for technology development
...hylation in Cancer Genomes. These researchers will work on approaches for analyzing the methylation of DNA...of Clinical Biospecimens. These researchers will work on methods that can be used to conduct high-throughput investigations of cancer-associated changes i...CU researchers solve mystery of how DNA strands separate
...uch slower. The researchers believe that helicases work with other enzymes, where "accessory proteins are helping the helicase out by destabilizing the fork junction," said Wang....New approach to pulmonary hypertension shows promise
...ality at a time, Michelakis said, adding that this work shows for the first time that several of these abnormalities, so far considered to be unrelated to each other, may in fact be the result of a single problemactivation of NFAT. "Therefore, by attacking NFAT, the 'common denominator' of these abnorm...Personalized approach to ovarian stimulation achieves high ART pregnancy rates
...spontaneous cycle. However, we still have more work to do before the algorithm can be used for all pat...s in women younger than 35 undergoing ART; further work is required to extend its use in other patient groups. The results of this clinical study will p...Time-lapse recordings reveal why IVF embryos are more likely to develop into twins
...owever, she said it should enable embryologists to work towards avoiding twin pregnancies during IVF. This could be another tool in their armoury, she said. Those embryos that are at risk of twinning could be easily identified by counting the number of ICMs. Then, either a decision could be made about whe...New approaches to endometriosis treatment -- mouse experiments point the way
...ent group. The team now intends to follow up the work in humans. Our initial experiments have confirmed the presence of the dopamine receptor in human endometriosis, and therefore we believe that treatment with dopamine agonists will have the same effect on humans as it does on mice, she says. This i...Translating form into function
...discovery, since many of the most successful drugs work by blocking enzyme action. Now, in an expedited ar... become a potent tool to determine how key enzymes work in the body. And since enzyme action is crucial to disease, the technique opens an efficient route t...Doing nature one better: Expanding the genetic code in living mammalian cells
...ng the bacterial genes into mammalian cells doesnt work since they flat out refuse to produce bacterial tRNAs. While it is easy to screen large numbers of mutated aminoacyl-tRNA synthetases in bacteria and yeast, it cant be done in mammalian cells in the same way. But Wang and his team got around both obs...Stressed-out African naked mole-rats may provide clues about human infertility
...are similar across species, understanding how they work in naked mole-rats could lead to a better understanding of the mechanisms involved in some stress-related infertility in humans. Dr Faulkes said: Social suppression of reproduction in marmoset monkeys is very similar to that in naked mole-rats, and a...