In the News
DNA Size A Crucial Factor In Genetic Mutations, Study Finds
Researchers at Stanford University have created a larger-than-normal DNA molecule that is copied almost as efficiently as natural DNA. The findings, reported in the Oct. 25 online edition of PNAS, may reveal new insights into how genetic mutations-tiny mistakes that occur during DNA replication-arise. Defective Gene Linked To Two Inherited Immune Deficiencies
Defects in a single gene can result in two immune system disorders that leave affected individuals vulnerable to frequent or unusually severe infections, according to new findings reported in the August issue of Nature Genetics. The discovery may lead to new diagnostic tests for these two inherited conditions -- immunoglobulin A (IgA) deficiency and common variable immunodeficiency (CVID) Currently, doctors diagnose the conditions by measuring immunoglobulin levels and excluding other causes for lowered immunoglobulin levels; there are no specific tests to detect the two disorders. How Chikungunya Virus Has Spread To New Vectors And Locations
Researchers have discovered how a key protein switch allows chikungunya virus to spread to new vectors. The study explains how the virus has increased its ability to infect and be transmitted by the Asian tiger mosquito, Aedes albopictus. E-Gold Gets Tough on Crime
Weary of being called a haven for money launderers and crooks, the PayPal competitor gets cozy with law enforcement and locks down suspicious accounts. If you've sent $17,000 to the Ukraine "for beer," you may be banned. By Kim Zetter. Local History: Liverpool
Learn about the history and character of Liverpool, England, including its famous streets, docks, landmarks, famous people (such as the Beatles), the local Liverpudlian dialect (Scouse), and related topics. Includes a quiz, audio and video clips, photos, and more. From the British Broadcasting Corporation (BBC). The Posse Comitatus Act: A Resource Guide
Resources related to this 1878 act, which was "a direct response to the increasing use of the military for civilian purposes in the ... period following the Civil War,"and which "equated the use of troops with martial law."Includes an overview of the act (the topic of renewed discussion after Hurricane Katrina) and links to federal government and other sources on the act. From librarian Stephen Young of the Catholic University of America. 'Mad Cow' Threatens Blood Supply
Contaminated transfusions kill three in the United Kingdom, and there's still no effective method for screening blood stocks. In Bodyhack. How Dads Influence Their Daughters'Interest In Math
It figures: Dads have a major impact on the degree of interest their daughters develop in math. That's one of the findings of a long-term study that has traced the sources of the continuing gender gap in math and science performance. Babies Driving Their Own Robots
Babies driving robots. It sounds like the theme of a cartoon series but it is actually the focus of important and innovative research that could have significant repercussions for the cognitive development of infants with special needs. Researchers have outfitted kid-size robots to provide mobility to children who are unable to fully explore the world on their own. Georgia O'Keeffe Museum
Website for this Santa Fe, New Mexico, museum "dedicated to the art of Georgia O'Keeffe and to the study of American Modernism (1890-present)."Features a short O'Keeffe biography and chronology, selected images from the permanent collection (such as of O'Keeffe's paintings of flowers and mesas), and a list of temporary exhibits. The "Research Center"includes a bibliography of recommended readings on O'Keeffe.
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