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Pulsating Gels Could Power Tiny Robots When Belousov-Zhabotinsky gels are put into a solution, they beat like hearts. The way those gels change shape had never been theoretically examined, until now. Researchers at the University of Pittsburgh have formulated the first general model to study large-scale shape changes in responsive gels. Their results are published today in the prestigious journal Science. Neural Crest Stem Cells In Skin Could Provide Alternative To Embryonic Cell replacement therapy offers a novel and powerful medical technology. A type of embryonic stem cell, called a neural crest stem cell, that persists into adulthood in hair follicles was recently discovered by Maya Sieber-Blum, Ph.D., of the Medical College of Wisconsin, Milos Grim, MD Ph.D., of Charles University Prague, and their collaborators. Long-term Smoking Is Associated With Up To 40 Percent Increased Risk O Older women who have smoked for 11 or more "pack years"face up to a 40 percent increased risk of developing breast cancer as compared to women who've never smoked, according to researchers at Fred Hutchinson Cancer Research Center.What's more, the researchers found that long-term smokers who add combination hormone-replacement therapy (estrogen plus progestin) to the mix increase their odds of getting breast cancer by 110 percent: more than double that of women who've never smoked or taken HRT. First Look: Microsoft Delivers Zune 2 Music Player Wired unwraps the Zune 2, Microsoft's portable music player. Hospital Costs For Children With Flu May Be Higher Than Thought Going into another flu season, a new study reports that hospitalizing children for influenza may cost up to three or four times the previously accepted estimates. Pediatric researchers from the Children's Hospital of Philadelphia say their finding strengthens the economic justification for broadly vaccinating children against flu. The cost of influenza-related hospitalizations in children was about $13,000 each -- compared to prior estimates of $3,000 to $4,000. On This Day, 29 October: 1998: Apartheid Report Accuses South Africa L Historical essay related to the publication in 1998 of the report of South Africa's Truth and Reconciliation Commission (TRC) that "accused leading figures from across the political spectrum of human rights violations."Includes a timeline, audio clips, and a link to 1998-99 coverage of the report, the hearings, and key figures mentioned in the report (such as P.W. Botha and Mangosuthu Buthelezi). From the British Broadcasting Corporation (BBC). Sundance: Power to the People Documentary Chicago 10 examines the political shift in America's youth after the 1968 Democratic National Convention. The director brilliantly combines archival footage and animation to bring the seminal events to life. In Table of Malcontents. Frankenstein: Penetrating the Secrets of Nature This exhibit "encourages audiences to examine Mary Shelley's novel, 'Frankenstein,' and its influence on science fiction, monsters and their place in history, and man playing God."Features images from the traveling exhibition and additional materials from the exhibit at Eastern Illinois University's Booth Library. Includes chapter-by-chapter podcasts of "an unabridged reading of the 1818 edition of ... 'Frankenstein, or, The Modern Prometheus.'"Produced by the National Library of Medicine in collaboration with the American Library Association. Judges Think Children More Honest But Less Reliable Than Adults, Says Judges perceive child witnesses as being more honest than adults when testifying in court, but recognize that children's limited memory and communication skills, and greater suggestibility may make them less reliable than adults. Internet Archive Wayback Machine An archive of more than 10 billion Web pages, with new sites and new versions of sites added regularly. Includes special collections on topics such as September 11, the U.S. elections of 2000 and 2002, and pioneers of the Internet.
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