OutFoxed! New research may redefine late-stage cardiac development
...lished in the September 10th issue of Science may redefine current models of how the heart develops in mammals. "Understanding the earliest steps in heart development gives us insight into the possible genetic causes of the dramatic heart defects exhibited by so many newborn babies, " says Morrisey. During ...Findings redefine mechanism of action of RNA helicase enzymes
...iad biological functions. The findings essentially redefine the mechanism of action of RNA helicases and constitute a paradigm shift in assessing roles of these enzymes in virtually all biological processes that involve RNA." In an accompanying perspective article, Patrick Linder of the Department of Microbi...Teachers turn to Tolkein to explain physics
...ll "many years" away and would also mean having to redefine the units of energy (the Joule) and force (the Newton). Also in this issue: Gravity hunt goes underground US science adviser takes on his critics Hubble successor shifts to the red Challenges for a new Europe US threat to European journals Beat...New studies show Curves Program raises metabolic rate in overweight and sedentary women
...much as 400 kcals/day. The Curves program may help redefine how women diet, lose weight and maintain weight loss, thereby reducing the need for perpetual dieting. The series of studies were presented by Richard B. Kreider, Ph.D., FACSM, Professor and Chair of the Department of Health, Human Perform...Common virus may contribute to uncommon bone disease in children
.... Understanding the origin of the disease may help redefine the best treatment." Previous researchers had proposed a role for HHV-6 infection in LCH, but the evidence was indirect, or was questioned on grounds of possible contamination. The current study was the first to identify the virus in the cytoplasm of...Long-term decline of coral reef ecosystems reported
...ld in Denmark.) "Looking at historical records can redefine what normal is and redefine what restoration targets should be," said McArdle. "Traditionally, managers look back 10 to 20 years...Popular Science announces second annual 'Brilliant 10:' the country's top young scientists
...hese are the researchers who have the potential to redefine the world in which we live. And it's an incredibly diverse group, illustrating the global nature of advanced scientific research done in the United States." The PopSci "Brilliant 10," in alphabetical order, are: Eric Demaine, 22, Massachusetts Insi...Whale populations are too low to resume commercial hunting, geneticists find
...ean conservation are startling. It could entirely redefine our recovery criteria for whales." Watching versus whaling Instead of catering to commercial whaling interests, a number of scientists and policymakers have urged the IWC to encourage the development of commercial whale watching an industry that ...Speedy elephants use a biomechanical trick to 'run' like Groucho
...ground at the same time. That led biomechanists to redefine running more than 30 years ago to better describe the physical forces at work, Hutchinson said. "We're just beginning to understand which animals can break the rules and bounce without leaving the ground - and how they do it." A deeper biomechanical ...BioMed Central to free scientists and clinical researchers from copyright restrictions
...ce of income for us," continues Tracz, "We want to redefine the role of commercial biomedical publishing by focusing on adding value and offering services that complement the freely-available original research and literature of the future." BioMed Central will, in addition to publishing primary research paper......tists toward new ways of thwarting viruses andhelp redefine scientific models of how membrane fusion occurs, Sanders says. The Moloney murine leukemia virus used in the study is related to the felineand human T-cell leukemia viruses and is the major retroviral agent used forgene therapy procedures. Fu...