In the News
Arecibo Begins Search For Dark Galaxies
Fitted with a new compound eye, the Arecibo radio telescope in Puerto Rico last week began a multiyear effort to survey all the galaxies in a large swath of sky out to a distance of 800 million light years--a survey that may well uncover the often-theorized, but never-seen, "dark galaxies." 'Killer Bees'Now Established In New Orleans
Africanized honeybees, 'killer bees'have been found in the New Orleans area since July of 2005, but the regularity and frequency of finding them there is new cause for concern. Another confirmed positive Africanized honeybee sample in the New Orleans area indicates the bees are most likely established there now, according to the Agriculture and Forestry Commissioner. Stem Cell Subtypes Discovered: Could Lead To Improved Leukemia Treatme
Researchers have discovered that all blood stem cells are not created equal. The discovery adds another layer of understanding about the basic biology of blood stem cells, which may lead to improved treatments for leukemia patients. Penn Study Finds A New Role For RNA In Human Immune Response
Researchers at the University of Pennsylvania School of Medicine have published the first study to test the role of RNA chemical modifications on immunity. They have demonstrated that RNA from bacteria stimulates immune cells to orchestrate destruction of invading pathogens. The authors concluded that the potential of RNA to activate immunity seems to be inversely correlated with the extent of its chemical modification. Oxytocin Raises Aggression, Cuts Anxiety During Lactation; Similar Eff
Maternal aggressive/protective behavior is recognized throughout mammalian species, especially during lactation. The same neurohypophyseal hormone, oxytocin, is responsible for both the physiological and behavioral changes, but the site of action is different. OT within the brain has marked behavioral impact, including reducing anxiety levels during lactation. Regensburg/Edinburgh University researchers directly inserted OT into the brain of virgin rats causing lower anxiety and increased social dominance. Also: A model to determine OT regulation at birth. [Scary] Pregnant woman says 'maternal instinct' helped her kill attack
FORT MITCHELL, Ky. - A pregnant woman who killed her attacker said a maternal instinct helped her fight off the woman who investigators believe was after her unborn child."I do believe that I fought harder because it was for my child,"Sarah Brady told ABC's "Good Morning America"in interviews aired Sunday and Monday. "It is a maternal instinct to protect your child to the very end."Katherine Smith, 22, died Thursday after luring Brady to her apartment to pick up a package supposedly delivered to the wrong address. When Smith pulled out a knife and attacked the pregnant woman, Brady fought back, striking Smith on the head with an ash tray and stabbing her three times with her own knife, police said. Brady, 26, said she didn't know Smith before the two met at Smith's apartment and can't be certain why Smith wanted to kill her."I really am not sure what was going through her mind,"Brady told ABC. "The only thing I thought was that she was going to kill me and my child and that is the only thing that ran through my mind." Transplanted Bone Marrow Cells Reduce Liver Fibrosis In Mice
Transplanted bone marrow cells can reduce carbon tetrachloride-induced liver fibrosis in mice and significantly improve their survival rates, according to a new study published in the December 2004 issue of Hepatology, the official journal of the American Association for the Study of Liver Diseases (AASLD). Scientists Guide Human Skin Cells To Embryonic State
Scientists have genetic reprogrammed human skin cells to create cells indistinguishable from embryonic stem cells. The finding is not only a critical scientific accomplishment, but potentially remakes the tumultuous political and ethical landscape of stem cell biology as human embryos may no longer be needed to obtain the blank slate stem cells capable of becoming any of the 220 types of cells in the human body. Perfected, the new technique would bring stem cells within easy reach of many more scientists as they could be easily made in labs of moderate sophistication, and without the ethical and legal constraints that now hamper their use by scientists. Scientists Use Nanoparticle To Discover Disease-causing Proteins
A complex molecule and snake venom may provide researchers with a more reliable method of diagnosing human diseases and developing new drugs. [Funny] A referee has sent himself off in an English amateur league ma
Andy Wain had to abandon the Sunday league match between Peterborough North End and a Royal Mail side in the 63rd minute after throwing down his whistle and marching up to confront North End's keeper.
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