A study found that recent radiologists interpreted screening mammograms more accurately than those with less training, while facilities with higher diagnostic volume showed improved accuracy. The researchers suggest additional studies to clarify the complex relationship between radiologist experience and mammogram interpretation.
Researchers found that family members who are not genetically at risk may feel left out of discussions about disease prevention. Mothers play a crucial role in facilitating information sharing within families, according to the study.
Researchers at Cyclis Pharmaceuticals have discovered a new mechanism for treating cancer, involving the activation of the E2F1 protein with small molecule drugs. The findings, published in the Proceedings of the National Academy of Sciences, show that this approach can selectively kill cancer cells while sparing normal cells.
Researchers found that patients with xeroderma pigmentosum had lower DNA repair capacity than control subjects, increasing their risk for melanoma. A natural compound called deguelin may have potential as both a chemopreventive agent and a therapeutic agent against lung cancer.
A study published in the American Association for the Advancement of Science suggests that estrogen levels influence women's ability to suppress pain. The researchers used PET scans to examine the brain's response to pain in individuals with different gender, hormone, and genetic profiles.
Researchers used titanium mesh and bone marrow cells to promote new bone growth in rats, achieving better results with fibronectin-coated mesh and a flow perfusion system. The study presents an alternative method for treating bone defects and highlights the potential for improving cell growth and bone mineralization.
A study by Professor Shelley Peterson found that teenagers' writing is closely linked to gender stereotypes, with students tending to write socially acceptable themes. The research revealed that students were reluctant to explore non-traditional topics, instead favoring traditional gender roles and styles.
A new laser-based technique can detect developing cavities in teeth, revealing defects at very early stages of development. This photo-thermal method avoids the need for heavy lead aprons to protect patients from hazardous X-rays, making it a promising tool for preventive treatment.
Bradford Parkinson, a pioneer of GPS technology, has been awarded the 2003 Charles Stark Draper Prize for his significant contributions to the development of the original GPS system architecture. He is also recognized for his work on improving GPS accuracy and its applications in various fields.
Researchers have made a significant breakthrough in developing a cancer vaccine by attaching tumor material to antibodies, inducing an immune response against cancer in animal experiments. The vaccine's effectiveness may also be applied to other diseases such as arthritis and whooping cough.
A University of Melbourne-led team has reached a broad agreement on the ages of Lake Mungo remains, painting a new picture of human and climatic history in Australia. The research boosts the age of Mungo Lady's cremation by 10,000 years, placing both at 40,000 years old.
Scientists have created a 3D map of the protein universe, organizing over 500 common motifs and revealing clusters that resemble cigars. This map helps visualize the relationships among all proteins in nature, shedding light on evolutionary changes and potential applications in biomedical research.
Biologist Patrick Jansen found that acouchy rodents, large guinea-pig-like animals, disperse larger nuts further away from trees. This leads to more successful germination and increase in nut-producing trees over time. Protecting animals in managed forests is crucial for tree regeneration.
Astronomers have strengthened the case for a massive black hole at the galactic center with observations of a newly discovered star. The star's high velocity and proximity to the black hole confirm its presence, ruling out alternative explanations.
Tamoxifen treatment reduced the risk of benign breast disease and biopsies in high-risk women. Women treated with tamoxifen had a 28% lower incidence of benign diseases than those on placebo.
A recent study found that combining behavioral therapy with medication is more effective in treating obsessive-compulsive disorder (OCD) than using medication alone. The treatment combination resulted in significant improvements in social functioning and quality of life, even when initiated after 3-9 months of medication treatment.
A new theory proposes Chaco Canyon's powerful political system kept other Pueblo peoples under its thumb from 1000 to 1125. The city's elite ruled a region containing tens of thousands of people, with influence stretching hundreds of miles.
Prehispanic farmers in the southwest US employed ingenious strategies to overcome challenges like limited moisture and short growing seasons, including moving run-off water and using gravel mulch. They were able to extend frost-free periods and grow crops like cotton in marginal areas.
Gerald R. Smith pinpointed three North American regions at greatest risk for freshwater fish diversity: southern Appalachian, Klamath River Basin, and Caribbean coastal drainages of eastern Mexico. Habitat destruction due to water diversion, agriculture, and mining threatens these areas' unique species.
The Economic & Social Research Council (ESRC) has introduced a new professorial fellowship scheme to enable top scholars to pursue innovative research. The fellowships will run for three years, providing funding for PhD students, research assistants, and travel expenses.
Comparative literature expert Eric Cazdyn examines the relationship between Japanese film history and societal shifts. His research reveals how changes in film techniques reflect broader cultural transformations, including increased citizen participation and experimentation during times of economic turmoil.
Researchers at OHSU produced mice lacking the WAVE-1 protein, showing balance, motor, learning and memory deficits. The study suggests that mental retardation involves many more areas of the brain than initially thought.
Climate experts Tom Wigley and Charles Knight will discuss the future of the Earth's atmosphere and the impact of greenhouse gases on climate change. They will also explore the science behind artificial snow formation, including nucleation and ice nuclei.
A study published in the Journal of Medical Systems found that internet use empowers patients and improves the physician-patient relationship. Patients who access health information online can arrive with background knowledge and ask informed questions, saving time for doctors.
New research on corals from the Madracis genus reveals significant genetic variation among species, challenging traditional classifications. The study found two distinct species, while four others exhibited considerable overlap in genetic material, making identification difficult.
A computer scientist has developed a method to find dominant topics in discussions by scanning large collections of documents for rapid word bursts. This technique could have applications in searching the Web, studying trends in society, and even screening e-mail chatter.