Nutrients might prevent hearing loss, new animal study suggests
...e against hearing loss, and are often reluctant to wear protective gear like ear plugs that could make them less able to react to danger. But what if a nutritious daily "candy bar" could prevent much of that potential damage to their hearing? In a new study in animals, University of Michigan researcher...Gene mutations linked to hereditary lung disease
...elomeres, contain repetitive bits of DNA code that wear down each time a cell divides. The mutations were...s in telomerase, however, chromosome ends fray and wear down far more quickly, which can trigger cell death. The scientists first hint that telomerase pl...Everything starts with recognition
...at the single molecule level. We live in houses, wear clothes and read books made of chiral cellulose. Most of the molecules that mediate the processes of life like hormones, antibodies and receptors are chiral. Fifty of the top hundred best-selling drugs worldwide are chiral. With this contribution to ...When smell cells fail they call in stem cell reserves
... of active-duty stem cells that help repair normal wear and tear. They don't come in until things are really bad." The only nerve cells in the body to run directly from the brain to the outside world, olfactory cells are under constant assault from harsh chemicals that one might happen to catch a whiff...OSA symptoms more common among African-American women than Caucasians
...essurized air to patients through a mask that they wear during sleep. This airflow keeps the airway open, preventing the pauses in breathing that characterize OSA and restoring normal oxygen levels. ...Study shows lizard moms dress their children for success
...es, "dressing" their progeny in patterns they will wear for the rest of their lives. The mother's influence gives her progeny the patterns most likely to ensure success under the conditions they will encounter as adults. In a paper published June 10 in the online early edition of the journal Ecology Let...Study suggests other causes for childhood brain aneurysms
...hanical fatigue of the arterial wallresulting from wear and tear caused by a lifetime of excessive blood pressure and flow on thin-walled cerebral arteries. But our study suggests thatunlike the adult diseasechildhood aneurysms may be driven by unique predisposing factors that we have not yet identifie...UI anthropologist, colleagues discover remains of earliest giant panda
...erpart, it lived on bamboo shoots, as indicated by wear patterns recorded on teeth and specialized muscle markings, indicating heavy chewing, on the skull. The new find, made about 18 months ago in a south China karst (limestone) cave by Chinese researchers and co-authors Changzhu Jin and Jinyi Liu of t...Specialized, bone-crushing wolves of Alaska disappeared long ago
...urgh said. In addition, the studies of their tooth wear and fracture rate showed high levels of both, consistent with regular and frequent bone-cracking and -crunching behavior. Those characteristics probably came in handy in ancient Alaska, where the wolves faced stiff competition for food from some ve...New dynamic brace developed to advance clubfoot treatment
...treated for clubfoot using the Ponseti method must wear a nighttime brace that turns their feet away from the body for three to four years following the initial casting treatment. The brace has open-toed, high-top shoes attached to a shoulder-width fixed metal bar. Because of skin blistering and the brace...Tough tubes -- Carbon nanotubes endure heavy wear and tear
...tivity of carbon nanotubes, this ability to endure wear and tear, or fatigue, suggests the materials could be used to create structures that mimic artificial muscles or interesting electro-mechanical systems, researchers said. The report, Fatigue resistance of aligned carbon nanotube arrays under cyclic...Effects of aging in stem cells
...ong support to the notion that HSCs succumb to the wear and tear of aging, just like other cells, and shed light on the mechanisms of aging. To study HSCs regenerative capacity over time, Chambers et al. isolated HSCs from young (aged 2 months) and old (aged 21 months) mice and then transplanted either...New joint replacement material developed at MGH put to first clinical use
...l studies have shown that the new material resists wear as well as the first generation and is much stronger. Vitamin-E-stabilized, highly crosslinked polyethylene has also received FDA approval for use in joint implants and has been licensed to both Zimmer and to Biomet, Inc., which made the implant use...U-M team identifies gene that regulates blood-forming fetal stem cells
...n's team reported that old stem cells don't simply wear out; a gene called Ink4a actively shuts them down....eplacement cells when adult tissues are damaged or wear out. Stem cells that form blood and immune-system cells are called hematopoietic stem cells. In th...Story tips from the US Department of Energy's Oak Ridge National Laboratory, August 2007
...en implemented in pump impellers undergoing severe wear operation at the Sonoco paperboard plant in Newport, Tenn. The impellers in the plant are working at three times the life of regular impellers with an annual energy savings of 56 million BTUs. The funding source is DOEs Office of Energy Efficiency an...