http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. The most extensive DNA study to-date of Africa's rarest monkey reveals that the species had an intriguing sexual past. Of the last two remaining populations of the recently discovered kipunji, one population shows evidence of past mating with baboons while the other does not, says a new study in Biology Letters. The results may help to set conservation priorities for this critically endangered species, researchers say. http://www.physorg.com/news177164668.html Biology Wed, 11 Nov 2009 12:25:33 EST news177164668 Carotenoids, the family of yellow to red pigments responsible for the striking orange hues of pumpkins and the familiar red color of vine-ripe tomatoes, play an important role in human health by acting as sources of provitamin A or as protective antioxidants. Pumpkins and squash, available in a wide range of white, yellow, and orange colors, are excellent sources of dietary carotenoids, particularly lutein, alpha-carotene, and beta-carotene. The colors of these nutritional vegetables are determined by their genetic makeup -- the concentration and type of carotenoids they contain -- which are influenced by both genetic and environmental factors. http://www.physorg.com/news176556146.html Biology Wed, 04 Nov 2009 15:30:02 EST news176556146 (PhysOrg.com) -- Star clusters are among the most visually alluring and astrophysically fascinating objects in the sky. One of the most spectacular nestles deep in the southern skies near the Southern Cross in the constellation of Crux. http://www.physorg.com/news176014385.html Space & Earth Thu, 29 Oct 2009 05:54:01 EST news176014385 Researchers at the University of Maryland School of Medicine Center for Vaccine Development (CVD) have charted the extreme genetic differences that occur over time in the most dangerous malaria parasite in the world. While there is no approved vaccine for malaria, various experimental vaccines are in development. The CVD study suggests that developing a broadly protective vaccine for malaria may be challenging because the parasite's genetic makeup is so variable, constantly changing. http://www.physorg.com/news174749720.html Medicine & Health Wed, 14 Oct 2009 14:43:14 EST news174749720 (PhysOrg.com) -- White, Asian and Hispanic managers tend to hire more whites and fewer blacks than black managers do, according to a study published this month in the Journal of Labor Economics. http://www.physorg.com/news174312930.html Other Sciences Fri, 09 Oct 2009 13:40:03 EST news174312930 If you spend an afternoon walking along the muddy shore of Mono Lake, with the eastern flank of the Sierra Nevada mountains looming majestically in the background, you`ll no doubt discover, as others have before, that it is a place of bizarre natural beauty. http://www.physorg.com/news173988321.html Biology Mon, 05 Oct 2009 19:06:19 EST news173988321 (PhysOrg.com) -- Looking at the genetic makeup of cattle to determine their value is nothing new. An examination of a small sample of hair or blood can reveal if a calf has any genetic diseases that will lower the market price. http://www.physorg.com/news172428872.html Biology Thu, 17 Sep 2009 22:00:01 EST news172428872 Tokyo University Hospital will begin a clinical test in late August of a viral therapy in which viruses are injected directly into brain tumor patients, according to hospital officials. http://www.physorg.com/news169653035.html Medicine & Health Sun, 16 Aug 2009 15:00:02 EST news169653035 University of Central Florida researchers have shown for the first time that light energy can gently guide and change the orientation of living cells within lab cultures. That ability to optically steer cells could be a major step in harnessing the healing power of stem cells and guiding them to areas of the body that need help. http://www.physorg.com/news169223722.html Physics Tue, 11 Aug 2009 15:50:01 EST news169223722 Cancer stem-like cells have been implicated in the genesis of a variety of malignant cancers. Research scientists at Cedars-Sinai Medical Center's Maxine Dunitz Neurosurgical Institute have isolated stem-like cells in benign (pituitary) tumors and used these "mother" cells to generate new tumors in laboratory mice. Targeting the cells of origin is seen as a possible strategy in the fight against malignant and benign tumors. http://www.physorg.com/news167564338.html Medicine & Health Thu, 23 Jul 2009 11:10:02 EST news167564338 Rice is the world's most important food crop. Understanding its valuable genetic diversity and using it to breed new rice varieties will provide the foundation for improving rice production into the future and to secure global food supplies. http://www.physorg.com/news167563846.html Biology Thu, 23 Jul 2009 10:50:03 EST news167563846 Researchers have identified a genetic glitch that could lead to development of neuroblastoma, a deadly form of cancer that typically strikes children under 2. http://www.physorg.com/news165066659.html Medicine & Health Wed, 24 Jun 2009 12:51:44 EST news165066659 A study forthcoming in the Journal of Labor Economics suggests that high-quality teachers tend to leave schools that experience inflows of black students. According to the study's author, C. Kirabo Jackson (Cornell University), this is the first study to show that a school's racial makeup may have a direct impact on the quality of its teachers. http://www.physorg.com/news162625766.html Other Sciences Wed, 27 May 2009 06:49:47 EST news162625766 (AP) -- Diabetes is spiraling in Asia but - unlike the West - those affected are relatively young and less likely to be struggling with obesity, a new study shows. http://www.physorg.com/news162575319.html Medicine & Health Tue, 26 May 2009 16:49:55 EST news162575319 An international research collaboration coordinated by UCD (University College Dublin) researchers and involving scientists at 21 institutes including the genome sequencing centres in the Wellcome Trust Sanger Institute, UK and the Broad Institute at MIT and Harvard, USA have defined six new genome sequences in the Candida fungus family and identified genetic differences in species that cause disease. http://www.physorg.com/news162454480.html Biology Mon, 25 May 2009 07:17:23 EST news162454480 As part of a broad-based effort to understand the precise genetic make-up of H1N1 - now being referred to as `swine flu` in North America - a group of virologists and computational biologists from Columbia University Medical Center has delved headlong into analyzing the mysterious virus that has infected hundreds if not thousands of people worldwide since surfacing on public health workers` radars last week. http://www.physorg.com/news160547303.html Medicine & Health Sun, 03 May 2009 05:28:58 EST news160547303 You fall off your bike and break your collarbone, and your doctor tells you to stay off the bike for six to eight weeks. Lance Armstrong falls and breaks his collarbone in multiple places, and he's back in the saddle in a couple of weeks. http://www.physorg.com/news160411454.html Medicine & Health Fri, 01 May 2009 15:44:42 EST news160411454 (PhysOrg.com) -- A team of researchers from Iowa State University is putting flu vaccines into the genetic makeup of corn, which may someday allow pigs and humans to get a flu vaccination simply by eating corn or corn products. http://www.physorg.com/news160327633.html Biology Thu, 30 Apr 2009 16:28:24 EST news160327633 A discovery made by researchers at Wake Forest University School of Medicine while studying mice may help explain how some people without a genetic predisposition to epilepsy can develop the disorder. http://www.physorg.com/news159694944.html Medicine & Health Thu, 23 Apr 2009 08:42:59 EST news159694944 If it were not for the Holocaust, the number of Jews in the world would likely today be at least 26 million, and perhaps even as much as 32 million, says Prof. Sergio DellaPergola of the Hebrew University of Jerusalem. http://www.physorg.com/news159623702.html Other Sciences Wed, 22 Apr 2009 12:55:50 EST news159623702 Being able to accurately predict how a given cancer will respond to chemotherapy would spare patients with non-responsive tumors the burden of undergoing toxic and ultimately unhelpful treatment. Just as important, knowing which of a patient's cancer-causing genetic lesions are contributing to drug resistance might help doctors redesign therapy for maximum benefit. http://www.physorg.com/news157739355.html Medicine & Health Tue, 31 Mar 2009 17:29:37 EST news157739355 (PhysOrg.com) -- Not all stem cells are completely blank slates. Some, known as adult stem cells, have already partially embraced their fates and are capable of becoming only cells of a particular type of tissue. So how do these tissue-specific stem cells restrict their fate? In research to appear in the March 20 issue of Cell, scientists at Rockefeller University have uncovered a gene-control mechanism that guides the development and differentiation of epidermal skin stem cells in mouse embryos and shown that this mechanism tempers the development of the skin barrier. http://www.physorg.com/news156709702.html Biology Thu, 19 Mar 2009 19:28:59 EST news156709702 This is the tale of two biological substances -cells from mammals and bacteria. It's a story about the havoc these microscopic entities can wreak on all manner of surfaces, from mighty ships to teeth and medical devices, and how two Syracuse University researchers are discovering new ways prevent the damage. http://www.physorg.com/news156695593.html Chemistry Thu, 19 Mar 2009 15:33:45 EST news156695593 Characteristic changes in the DNA of medulloblastoma, the most frequent malignant brain tumor in childhood, indicate precisely how aggressively the tumor will continue to spread and what the chances of disease relapse are. Researchers at the Center for Pediatric and Adolescent Medicine at the Heidelberg University Hospital and the German Cancer Research Center have discovered this correlation. With this new set of tumor markers, the intensity of treatment can be adjusted individually and the potentially damaging effects reduced. The results have now been published online in the prestigious Journal of Clinical Oncology. http://www.physorg.com/news156512454.html Medicine & Health Tue, 17 Mar 2009 12:41:23 EST news156512454 A female moth selects a mate based on the scent of his pheromones. An analysis of the pheromones used by the European Corn Borer (ECB, Ostrinia nubilalis), featured in the open access journal BMC Biology, shows that females can discern a male's ancestry, age and possibly reproductive fitness from the chemical cocktail he exudes. http://www.physorg.com/news155283044.html Biology Tue, 03 Mar 2009 06:11:31 EST news155283044 Researchers have discovered a gene that modifies the severity of lung disease in people with the lethal genetic condition, cystic fibrosis, pointing to possible new targets for treatment, according to a new study in Nature. http://www.physorg.com/news154790805.html Medicine & Health Wed, 25 Feb 2009 13:27:13 EST news154790805 Financial institutions continue to teeter on the brink of ruin. Banks are still devouring bailout money without loosening credit enough to make a difference in a recession that is sweeping the globe. And everyone keeps asking, "How in the world did so many financial titans take such huge risks with our nation's well being?" http://www.physorg.com/news153547432.html Medicine & Health Wed, 11 Feb 2009 04:27:00 EST news153547432