In the News
Nearby Barred Spiral Galaxy Shows Off Its Warped Disc
Just like our own Galaxy, NGC 134 is a barred spiral galaxy with its spiral arms loosely wrapped around a bright, bar-shaped central region. One feature that stands out is its warped disc. While a galaxy's disc is often pictured as a flat structure of gas and stars surrounding the galaxy's centre, a warped disc is a structure that, when viewed sideways, resembles a bent record album left out too long in the burning Sun. Changes In Technique Can Reduce Radiation Dose In CT Examination
Two minor changes in technique could make a major difference in the radiation dose used in survey CT scans, a new study shows. Survey scans are those that are performed before a regular CT scan, usually to plan for the examination. [Odd] A Romanian couple has named their son Yahoo as a sign of gratitu
Daily Libertatea said on Thursday Cornelia and Nonu Dragoman, both from Transylvania, met and decided they were meant for each other following a three-month relationship over the net.They married and had a baby this Christmas, whom they decided to name after one of the worldwide web's most popular portals."We named him Lucian Yahoo after my father and the net, the main beacon of my life,"Cornelia Dragoman was quoted as saying. NASA Scientists Confirm Toxic Seas During Earth's Evolution
NASA exobiology researchers confirmed Earth's oceans were once rich in sulfides that would prevent advanced life forms, such as fish and mammals, from thriving. A team of scientists from the Massachusetts Institute of Technology and Harvard University, working with colleagues from Australia and the United Kingdom, analyzed the fossilized remains of photosynthetic pigments preserved in 1.6 billion-year-old rocks from the McArthur Basin in Northern Australia. They found evidence of photosynthetic bacteria that require sulfides and sunlight to live.
Shrinkage Of Prostate Led To Overestimation Of Cancer Risk In Trial, N
Reanalysis of data from the Prostate Cancer Prevention Trial of a chemopreventive agent for prostate cancer shows that the excess prevalence of high-grade prostate cancer in the drug-treated group may be attributable to shrinkage of the prostate at the time of biopsy. Following Sean
Website forthe follow-up documentary (30 years later) to a 1969 student film about the filmmaker's upstairs neighbor in the Haight-Ashbury district of San Francisco, 4-year-old Sean. Watch the original 1969 film and learn about updates in the lives of the people featured in the films. Also includes a filmmaker interview and personal views, production journal, filmmaker profile, discussion guide, and lesson plan. From P.O.V. Nanowire Generates Power By Harvesting Energy From The Environment
As the sizes of sensor networks and mobile devices shrink toward the microscale, and even nanoscale, there is a growing need for suitable power sources. Because even the tiniest battery is too big to be used in nanoscale devices, scientists are exploring nanosize systems that can salvage energy from the environment. Researchers have now shown that a single nanowire can produce power by harvesting mechanical energy. How Will Your Car Look in 2010?
Peugot has posted the finalists in its annual concept car contest. See what the future may hold -- and vote on the designs you like the best. In Autopia. Obstructive Sleep Apnea: Positive Airway Pressure Therapy Improves Sym
Patients with obstructive sleep apnea who also suffer from depression often find that continued use of continuous positive airway pressure relieves them of symptoms of depression. Subjects were evaluated for symptoms of depression, were assessed again after four to six weeks of treatment with CPAP and then reassessed approximately one year later. Toward A New Oral Delivery System For Insulin Using Nanoshell Shields
Scientists in Taiwan are reporting development of a nanoparticle drug delivery system that shows promise as a potential way to administer insulin and perhaps other protein-based drugs by mouth rather than injection or nasal sprays.
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