T. rex owes its giant size to the ultimate teenage growth spurt
...llions more around the country have seen traveling casts of Sue. This research determines that Sue was 28 years old at the time of death, although the fossil is 67 million years old. For more information on Sue, visit http://www.fmnh.org/exhibits/exhibit_sites/sue/default.html . Of the four types of tyra...Study finds first evidence COX-2 enzymes can regulate DNA damage
...e (IUBMB) in Boston. His research team's discovery casts a new light on the mechanism through which aspirin - and diets rich in fruits, grain and vegetables -- appear to lower the risk of some cancers. It also suggests a potential role for the widely used COX-2 inhibitors in the prevention of DNA damage. ...Memory fails you after severe stress
..., and many even got the gender wrong. The finding casts serious doubt on the reliability of victim testimonies in cases involving psychological trauma. Numerous studies have questioned the accuracy of recall of traumatic events, but the research is often dismissed as artificial and not intense enough to ...Scientists, physicians discuss latest discoveries for stopping cancer before it starts
... He writes: " Cancer is a strange blessing that casts our life and purpose in sharp relief. Many [cancer patients] use their illness to find new meaning in their lives."The conference program includes early detection, with sessions dealing with genetics and new technologies capable of examining the nuc...National Institutes of Health grant to Rensselaer to further research on healing bone injuries
...And that would mean patients wouldn't have to wear casts for as long as they do now." The researchers hope that the engineered bone cells could be useful for healing almost any kind of bone injury or trauma an application of bone cells could strengthen the attachment of hip or knee replacements, for examp...Leakey Foundation celebrates 100 years of human origins discovery
...ture live flint-knapping demonstrations and fossil casts from the collections of several museums in Europe and Africa. Named for Louis Leakey, the San Francisco-based Leakey Foundation has supported many seminal studies that inform our knowledge of the human past by scientists such as Richard Leakey, Jane...Giant bloom fades, science continues
...ange science, used dental impression paste to take casts of the spadix surface. She will use light and scanning electron microscopes to look for stomata, the tiny pores that control water loss from leaves. The pattern or distribution of stomata might be useful for understanding the heating and water loss o...Advances in prosthetic, orthopedic, and audiologic diagnostic tools
...s of sockets and differences in shapes of residuum casts (taken at two different points in time, for example), assessment of socket fabrication systems, and enhancement of prosthetic computer models....Researchers develop strategy to predict mutations involved in cancer drug resistance
...3-D computer model of BCR/ABL. The model not only casts a vivid image of the location of the mutations, Latek noted, it also begins to illustrate how the different parts of the protein interact with one another to influence gene function. Such information was difficult to visualize before the age of compu...Gene thats key to cloning success also hints at serious hurdles to reproductive cloning
... genes sporadic expression in cloned mouse embryos casts fresh doubt on prospects for reproductive human cloning. The findings, by a team led by K. John McLaughlin and Hans R. Schler of Penns School of Veterinary Medicine, are described in the May 15 issue of the journal Genes & Development. Despite the ...Scientists document water molecule movement across cell walls
...performance, captured by supercomputer simulation, casts new insight for biomedical researchers on the controlled movement of water through cell walls. Reporting in the April 19 issue of Science, researchers at the University of Illinois Beckman Institute for Advanced Science and Technology and at the Univ...Forging a link between brain and bone
...odel of central control of bone metabolism clearly casts the genesis and control of osteoporosis in an entirely new light....Low-tech handheld device detects counterfeit drugs
...ear solution is placed on the refractometer, which casts a shadow line giving the refractive index. That index can be converted to specific gravity, which is compared to a standard already established for that particular drug. "This is a simple, relatively low-tech approach that people in develo...Evolution at a snail's pace: It's faster than you think
...ly similar even though some looked quite different casts doubt on whether genetic testing alone is the best method. "The real key to our study was the combination of fossil records and genetic tests that we used," Hellberg said. "The genes showed us the history of the snail populations, and the fossils ......for injecting plastic into vacant spaces to create casts of any items that have disintegrated. Without the CT images, most of the valuable objects could not have been safely separated for study," Arnold said. "Archaeological projects are usually on a tight budget, so the collaboration with the College of ...Ancient fossil shows earliest feathers, may end argument about birds' origin
...e efficiently, the scientists say. The discovery casts serious doubt on the view that birds descended from dinosaurs, as many paleontologists maintain. Ornithologists -- scientists who study birds -- say that could not have happened because feathers and the creatures that grew them predated dinosaurs. In...Deadly to cattle and humans, prions may help other organisms survive, researchers find
...ns to be more widespread than had been thought and casts prions in a new, possibly more helpful light, the scientists considered what advantages the aggregating proteins might offer organisms. The ability to form prions allows a cell to restrict activity of a specific protein indefinitely, without ever lo...Scientists document most recent date for Neandertals
... fossils fromthe Vindija cave site in Croatia also casts doubt on the theory that the IberianPeninsula was the Neandertals' last refuge. "Most scientists would have expected to find the latest Neandertal in southwestEurope, rather than in central Europe," said paleontologist Fred H. Smith, aresearch team m...Scientists discover addition of new brain cells in highest brain area
...es about how the brain develops. In particular, it casts doubt on thenotion that the all-important time for brain development is from zero to threeyears of age, and raises the likelihood that experiences through adolescence andadulthood can affect the physical structure of the brain. "If what they haveshow......yl Shibata andcomputational biologist Simon Tavare casts doubt on conventional wisdomregarding the relationship between colorectal cancers (carcinomas) and thepolyps (adenomas) which typically precede them. The preliminary findings, if they can be confirmed, may have clinicalsignificance in considering non...