New type of optical microscopy attains near-molecular resolution
...les that can be driven between a fluorescent and a dark state hundreds of times with repeated exposure to light with different colors. Zhuang, Bates, and colleague Tim Blosser discovered such a fluorophore and described it in Physical Review Letters in 2005. "Scientists have long known that individual f...Constant lighting may disrupt development of preemies' biological clocks
...that hold the babies in an effort to duplicate the dark conditions of the womb. The finding that exposure to constant light disrupts the developing biological clock in baby mice provides an underlying mechanism that helps explain the results of several previous clinical studies. One found that infants...Study considers auto industry and consumer behavior in reducing greenhouse gas emissions
...re. "Right now policy analysts are working in the dark with greenhouse gas emissions," Winebrake says. "They lack the tools to effectively track the impact of policies." The interdisciplinary study will draw upon economics, environmental science, manufacturing issues, public policy and software engineer...Cabernet sauvignon red wine reduces the risk of Alzheimer's disease
...families a glimpse of light at the end of the long dark tunnel for future prevention of this disease." People with AD exhibit elevated levels of beta-amyloid peptides that cause plaque buildup in the brain, which is the main characteristic of AD. An estimated 4.5 million Americans have AD. Presently, the...New insight into skin-tanning process suggests novel way of preventing skin cancer
.... Because people who tan easily, or have naturally dark skin, are far less likely to develop skin cancer t...heory was correct, it should be possible to induce dark pigmentation in fair-skinned mice with specific, targeted drugs. The most common origin of red hair...The New England Journal of Medicine reports data on eculizumab for the treatment of PNH
...ulmonary hypertension and intermittent episodes of dark coloured urine, known as haemoglobinuria. Importantly, PNH patients are at increased risk of forming life-threatening blood clots, or thromboses, which are the major cause of death. Dr. Hillmen has previously published findings that describe a preval...Open Science Grid receives $30 million award
...erse, such as the origin of mass and the nature of dark matter." Together with other grid computing projects, from computing grids on university campuses to large national and international grid projects, the consortium works to create a worldwide computing infrastructure for scientific research. "Dis...Consuming cola may up osteoporosis risk for older women
...m all sources, including non-dairy sources such as dark leafy greens or beans, was lower for women who drank the most cola. On average, women consumed 1,000 milligrams of calcium per day, and men consumed 800 milligrams per day, both lower than the daily recommended 1,200 daily milligrams for adults over ...Researchers make nanosheets that mimic protein formation
...colored under UV illumination from bright green to dark red depending on the nanoparticle size, are made from cadmium telluride crystals, a material used in solar cells. The sheets are about 2 microns in width, about 1/5 the thickness of a human hair. Scientists have long known how to coax nanoparticles ...Otherworldly bacteria discovered two miles down
...ic plants forming the base of the food web. But in dark places where sunlight doesn't reach, life has to depend on other energy sources. Other communities of "chemoautotrophs"--a word chained together from Greek roots meaning "chemical self-nourishment"--have been found in exotic places such as aquifers, ...Data show treatment with Remicade reduced hospitalizations for ulcerative colitis patients by half
... symptoms such as jaundice (yellow skin and eyes), dark brown urine, right-sided abdominal pain, fever or severe fatigue. Blood disorders have been reported, some fatal. Tell your doctor if you develop possible signs of blood disorders such as persistent fever, bruising, bleeding or paleness while tak...Always keeping a safe distance
...literally sheds a light into another aspect of the dark intracellular transport channels....Moderate drinking may boost memory, study suggests
...researchers timed how quickly the rats entered the dark chamber (rats are nocturnal, and naturally prefer dark spaces.) Once inside the dark chamber, the rat received a mild electric shock to its feet. The res...Funnel in the eye: Signal focusing increases photosensitivity
...rd differences in brightness and no colours,in the dark all cats are grey, as the saying goes. Grey and blurred: in faint light the amacrine II cells additionally focus the signals from different rods. This trick significantly boosts the sensitivity even more one reason why people developing digital c...Scientists crack rhino horn riddle
...ersity study now has revealed an interesting clue: dark patches running through the center of the horns. The team examined the heads of rhinos that died of natural causes and were donated by The Wilds in Cumberland, Ohio, and the Phoenix Zoo. Researchers conducted CT scans on the horns at O'Bleness Memo...Diet can provide protection against development of certain cancers, new studies show
... different categories of fish consumed- tuna fish, dark meat fish (salmon, sardines, bluefish, etc.), a general fish category, and shellfish including shrimp, lobster and scallops- and asked how many times the participants ate them on average during the previous year. They found almost 10 percent ate fis...Poor athletic performance linked to vitamin deficiency
..." The B-vitamins are in whole and enriched grains, dark green vegetables, nuts, and many animal and dairy products. Manore suggests athletes and individuals with poor or restricted diets consider taking a multivitamin or mineral supplement....Video explains what science learns from avian stars of 'Happy Feet' and 'March of the Penguins'
...d what makes the processes of life in the cold and dark unique. The video describes a fascination with Emperors that dates to the early 20th century. In the mistaken belief that Emperor penguin embryos might shed light on evolutionary links between reptiles and birds, three British explorers set out in...Fires in far northern forests to have cooling, not warming, effect
...es reflected more of the sun's energy than did the dark green, thin-needled black spruce, and as a result, less of the incoming energy went into heating the ecosystem. Even more important, in the winter the birches and other deciduous trees lose their leaves revealing even more reflective (white snow. T...Fighting like a girl or boy determined by gene in fruit flies
...n extra dab of fresh yeast paste their version of dark chocolate, Kravitz said. The flies are videotaped. The movies are replayed in slow motion to record each move and countermove. "Ed has systematically developed reproducibly aggressive behavior in flies and paved the way for serious analysis," said ...