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College Textbooks: Enhanced Offerings Appear to Drive Recent Price Inc This 2005 government report considers changes in college textbook prices and what factors have contributed to these changes (such as CD-ROMs and other instructional supplements). The report notes that "in the last two decades, college textbook prices have increased at twice the rate of inflation but have followed close behind tuition increases."Includes a summary and the full text, with diagrams and charts. From the Government Accountability Office (GAO). Lethal bird flu virus Although H5N1, the avian influenza virus, darling of a scare-mongering media is lethal. No doubt about it. It’s just that at this point in human history, this virus is not in a human transmissable form, thankfully.Now, a new study of patients who became infected with H5N1 in Vietnam has revealed clues as to why the [...] Mechanism Discovered In Adult Stem Cell Regulation Scientists have discovered an important mechanism for controlling the behavior of adult stem cells. Research with the flatworm, planaria, found a novel role for the proteins involved in cell-to-cell communication. This work has the potential to help scientists understand the nature of the messages that control stem cell regulation -- such as the message that maintain and tells a stem cell to specialize and to become part of an organ (e.g., liver or skin). Sugar Helps Control Cell Division Johns Hopkins scientists have discovered that a deceptively simple sugar is in fact a critical regulator of cells' natural life cycle. [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." Growing nanowires: European research paves way for faster, smaller mic European researchers have developed state-of-the-art nanowire 'growing' technology, opening the way for faster, smaller microchips and creating a promising new avenue of research and industrial development in Europe. A Recipe For Overeating: Studies Outline Dangers Of Mixing Stress, De Two studies in the October issue of Behavioral Neuroscience show that when animals are stressed, deprived and exposed to tempting food, they overeat, with different degrees of interaction. The powerful interplay between internal and external factors helps explain why dieters rebound and even one cookie can trigger a binge if someone's predisposed to binge. Free Science Magazines Grab a free subscription to a wide range of science magazines, including Nature Methods, The Scientist, Small Times, Genetic Engineering News, and many more. All FREE!!! It Whistles: Change In Pitch Tells All In This New Sonic Gas Analyzer Penn State researchers have developed a prototype sonic gas analyzer that automatically and continuously tracks the concentration of a gas in an air/gas mixture based on changes in pitch. Deep-sea Exploration Beneath Katrina's Wake: Expedition Team Dodges St Despite having to evade hurricane Katrina, a team of scientists from Harbor Branch and other institutions is returning to port this Sunday with new tales from the deep after completing their second annual Deep Scope expedition. The group has discovered a mysterious visual capability in a deep-sea crab; captured new video of a large, recently discovered squid species; and took clear video of the world's first known fluorescent shark.
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