Archaeologists Vance Holliday and David Meltzer argue that the Clovis comet impact hypothesis is not supported by archaeological evidence. They found no evidence of a sudden cooling of the climate or a post-impact gap in human occupation at Clovis sites.
A Yale team has achieved the entanglement of three solid-state qubits for the first time, paving the way for quantum error correction and future quantum computing. The accomplishment builds on their previous development of a rudimentary solid-state quantum processor.
Researchers developed a novel water method to reduce discomfort during unsedated colonoscopy, enhancing cecal intubation and patient willingness to repeat procedures. The study showed significant improvements in these outcomes compared to traditional air insufflation methods.
Researchers at Indiana University School of Medicine found gray matter changes in breast cancer patients' brains during and after chemotherapy treatment. Memory and executive functions were most affected, with some women experiencing subtle and others severe cognitive impairments.
Seth Field, a UC San Diego researcher, has been awarded $3.86 million to study GOLPH3's role in breast cancer. His project aims to understand the mechanism by which GOLPH3 contributes to cancer and develop new therapy targets.
A team of researchers led by Ellen Velie aims to identify risk factors for breast cancer in young women, particularly black women younger than 50. The five-year study will investigate the impact of early life growth patterns, physical activity, diet, and body size on tumor characteristics.
A new approach, Child and Family Traumatic Stress Intervention (CFTSI), improves communication between child and caregiver to prevent chronic and sub-clinical PTSD in 73 percent of children. The intervention also promotes recovery more quickly than a comparison intervention.
Scientists have found that garlic oil can protect against heart disease in people with diabetes by reducing inflammation and weakening the heart's muscle tissue. The antioxidant properties of garlic oil were identified as a key factor in this effect.
Researchers at Rice University have successfully created a precision simulator for superconductors using ultracold atomic gas. By trapping and holding lithium atoms in beams of light, they can observe how electrons would behave in particular types of superconductors.
A recent study in the Journal of AAPOS found that feeding premature infants one hour before their retinopathy of prematurity (ROP) examination unexpectedly reduced stress levels. The researchers also discovered that this practice did not increase vomiting or gastric aspirates, contrary to current practice.
The 'Cleanair' system reduces building energy consumption by up to 25%, saving CO2 emissions and improving indoor air quality. Lab tests have proven its effectiveness in removing various pollutants, including particles, viruses, and volatile organic compounds, making it a game-changer for asthmatics and overall health.
Scientists have discovered an Earth-sized exoplanet in the habitable zone of a nearby star, making it potentially habitable. The newly discovered planet, Gliese 581g, is about three to four times the mass of Earth and has a stable surface climate.
Researchers created a technique using computer models that can analyze tiny samples of soil to predict its behavior in relation to foundations. This technology could be applied to build structures on the moon or remote locations where traditional testing is impractical.
The Solar Probe Plus mission will explore the sun's corona and solar wind in unprecedented detail. The NRL's Wide-field Imager will provide direct measurements of the plasma and create 3-D images of clouds and shocks.
A team of UNC scientists has received a $2,308,800 grant to develop targeted nano-particle technology for early detection and more effective treatments of pancreatic cancer. The goal is to design nanoscale metal-organic frameworks capable of carrying imaging and therapeutic cargoes or multiple drugs.
Dr. Michelle A. Williams receives two major NIH grants totaling $5.6 million to study complications affecting pregnancy, including abruptio placentae and partner abuse's impact on preterm delivery. Funding will support genomic testing and statistical analysis at Swedish Medical Center and UMDNJ-RWJMS.
The addition of immunotherapy to standard therapy increases the percentage of children with high-risk neuroblastoma who are alive and free of disease progression after two years. The new regimen, which targets a substance on tumor cells called GD2, presents a clear paradigm shift in treating this cancer.
Researchers identified 20 barley proteins, 40 yeast proteins, and two corn proteins, revealing the largest portrait of the beer proteome. These findings may help brewers optimize fermentation processes and enhance beer's flavor and aroma.
A $1.76 million study at Rensselaer Polytechnic Institute investigates the role of two proteins, osteocalcin and osteopontin, in bone fractures over time. The research aims to develop new methods of diagnosing osteoporosis and treating related bone diseases.
Children with ADHD have more missing or duplicated segments of DNA compared to other children, suggesting a strong genetic link. The study also found significant overlap between these segments and genetic variants implicated in autism and schizophrenia.
Studies presented at the 2010 AAO-HNSF Annual Meeting & OTO EXPO reveal that self-reported patient wait times significantly impact all measured aspects of the ambulatory patient experience. Additionally, incorporating physician extenders in outpatient otolaryngology practices can increase patient education, promote productivity, and im...
A University of Georgia study suggests that mothers who consume a diet high in trans fats double the likelihood that their infants will have high levels of body fat. Infants whose mothers consumed more than 4.5 grams of trans fats per day while breastfeeding were twice as likely to have high percentages of body fat.
A University of Arizona research team found that digital coupons are often difficult to use due to technical issues with redemption and cashier knowledge. The study suggests that a more convenient and user-friendly experience is needed to make digital coupons successful.
A new clinical trial found that 96% of patients with intermediate-risk neuroblastoma survived for three years after receiving reduced chemotherapy doses. The study, led by Katherine Matthay at UCSF Benioff Children's Hospital, aimed to minimize the toxic effects of cancer drugs on young children.
A new blood test called AccuPSA can detect rising prostate specific antigen levels after radical prostatectomy, allowing for earlier detection of cancer recurrence. This test has the potential to eliminate unnecessary treatments and improve health care costs by enabling earlier treatment with potentially better outcomes.
Researchers have found genetic evidence that baleen whales lost their teeth 25 million years ago, a finding that matches the fossil record. The study used genetic analysis to show that a transposable genetic element was inserted into the enamel production gene in the common ancestor of baleen whales.
The award recognizes the university's portable, scalable self-contained wastewater-treatment system that converts wastewater into effluent meeting EPA standards in under 24 hours. The technology has been adapted for potable water production with minor modifications.
A University of Michigan study found that in-country OB/GYN training programs significantly contributed to doctors' decision to remain in Ghana. The availability and presence of a viable training program played a crucial role, along with social and economic factors, in graduates' choices.
A phase II clinical trial found tanezumab to be effective in reducing osteoarthritis knee pain, with a 62% reduction in walking knee pain compared to placebo. The drug also showed promise in improving physical function and relieving stiffness.
A recent study conducted by the United States Department of Agriculture found that blueberries can help prevent the growth of atherosclerotic lesions in arteries. The research involved feeding 30 young laboratory mice diets spiked with freeze-dried blueberry powder for 20 weeks, resulting in a significant reduction in lesion size.
Scientists have discovered that red light influences the regulation of nectar secretion in extrafloral nectaries of plants like Lima beans. This process involves the phytochrome protein and affects the binding of plant hormone jasmonic acid to isoleucine.
Historians uncover previously unseen correspondence between Francis Crick and Maurice Wilkins, revealing a tangled web of ambition and institutional politics. The letters provide fresh insights into the personalities of the discoverers and their roles in the discovery of DNA's double helix structure.
Researchers at Boston University School of Medicine have discovered a key protein factor, Ets1, involved in the progression of lung cancer. The study aims to identify new therapeutic targets to block tumor growth and metastasis, offering hope for improved patient outcomes.
Scientists at Rensselaer Polytechnic Institute used nuclear magnetic resonance (NMR) to understand and improve an important protein purification process. The study validated the effectiveness of multimodal chromatography, a method that separates proteins from their surrounding materials using molecular glue.
A 40-year-long tobacco control program in California has led to significant reductions in smoking rates, resulting in lower lung cancer mortality. The study credits the state's aggressive tax on cigarettes and comprehensive tobacco control efforts.
Researchers at Duke University developed a tool called TaintDroid that monitors phone apps for transmitting private data. The study found that 15 of 30 popular apps sent users' private information to remote advertising servers, with some sharing location information even when the user wasn't running the app.
Computational biologists at the University of Pennsylvania found that species diversification rates have typically decayed over time, suggesting a limit to species diversity. The study used phylogenies from various groups and found relatively little extinction in the evolutionary trees, contrasting with the fossil record.
Researchers developed a novel, dual-platform technology to capture circulating tumor cells (CTCs) in breast cancer more efficiently than traditional methods. The On-Q-ity C5 chip captured 65% of human breast cancer cells compared to 45% with size-based and 16% with antibody affinity methods.
Tropical Storm Nicole strengthened with NASA's satellite data revealing high thunderstorm clouds and heavy rainfall. The storm is expected to produce life-threatening flash floods and mudslides over the Cayman Islands, Jamaica, and Cuba.
A new microRNA panel test has been developed to further subclassify non-small cell lung cancer, allowing for more accurate diagnosis and treatment decisions. This test has shown high sensitivity and specificity in distinguishing between subtypes of lung cancer.
A recent study published in Arthritis & Rheumatism found that abatacept failed to prevent disease flares in patients with non-life threatening systemic lupus erythematosus (SLE). The medication was administered to 175 patients, but it did not show significant therapeutic benefits over placebo.
Researchers found that adding phosphorus and nitrogen fertilizer can speed up the biodegradation of oil in contaminated soil. The study suggests a treatment scheme involving nitrate salts to stimulate rapid biodegradation by increasing sediment porosity and oxygen availability.
Two new Udall Centers will advance Parkinson's disease research, focusing on genetic studies, brain circuit disruption, and novel treatments. The NINDS investment aims to accelerate basic, translational, and clinical research to find a cure for the devastating illness.
A recent study by Mayo Clinic found that radical prostatectomy significantly improves survival rates for men with localized prostate cancer. The procedure has led to excellent overall survival rates, with only 3% of patients dying from prostate cancer.
A new immunotherapy treatment has improved two-year survival rates for high-risk neuroblastoma patients by 20 percent compared to standard treatment. Researchers report a higher cure rate, but also more pain and toxic side effects.
Researchers at the University of Oregon have invented a method to change the color of single photons in a fiber optic cable, enabling faster data transfer and more secure communication. This breakthrough has the potential to revolutionize quantum computing and internet security.
A collaborative study identified 180 genetic loci influencing height, clustered around genes in six biological pathways. The findings shed light on the complex genetics of height and its relationship to other traits.
Researchers at UCLA are developing a new Internet architecture called Named Data Networking (NDN) that aims to improve security, efficiency and scalability. NDN will replace traditional host-based communication model with content-based approach, enabling secure end-to-end data transmission.
Researchers at NIST developed a surface-directed method for growing nanowires horizontally, producing nano-LEDs with improved properties. The technique enables easy localization of individual heterojunctions on the surface, making it suitable for various applications.
A study by the Norwegian Institute of Public Health found no link between increased sales of new antidepressants and lower suicide rates. The researchers also ruled out a connection between declining sales of older, more toxic medications and reduced suicide rates.
Researchers at Rockefeller University have made two fundamental discoveries about broadly neutralizing anti-HIV antibodies, which effectively keep the virus at bay. They found that most antibodies bind to their target in a polyreactive manner, enhancing overall affinity by binding non-specifically to the virion.
A high protein diet during development can prime the body to react unhealthily to future food binges. The study found that rats fed a high protein diet showed increased body weight and fat mass in response to a high energy diet.
Researchers are studying how genetic code affects warfarin breakdown in Yup'ik Eskimos to develop personalized drug prescriptions. The study aims to improve treatment outcomes for Alaska Natives with limited access to healthcare.
A new global analysis reveals nearly 80% of the world's human population lives in areas where river waters are highly threatened, posing a major threat to human water security and biodiversity. Rivers worldwide face similar stresses from agricultural intensification, industrial development, and other factors.
Researchers found that free heme released from red blood cells during infection causes organ failure, but hemopexin can neutralize its toxic effects. Administering hemopexin improves survival rates in mice and may predict mortality in patients with severe sepsis.
A national epidemiologic study finds a strong link between adult diabetes and particulate air pollution, persisting after adjustment for other risk factors. The relationship was seen even at exposure levels below the current EPA safety limit.
A recent study found that the majority of US adults lack sufficient information to make the best medical decisions. To address this issue, doctors need to help patients prepare better for health decisions. Key findings include the importance of informed consent and patient decision aids in ensuring patients' preferences are respected.
A recent study published in Neurology found that intravenous treatment with dexamethasone can significantly reduce the mortality rate of patients with bacterial meningitis. The study revealed a 10% lower death rate among those treated with dexamethasone, highlighting its potential as an effective therapeutic option.
Researchers at University of Wisconsin-Madison have found rhesus macaques can recognize themselves in a mirror under specific conditions, contrary to previous assumptions. This discovery may refine the use of the mark test and challenge existing theories on self-awareness in primates.
Researchers have created a new soy-based glue that can replace traditional wood adhesives, eliminating the release of formaldehyde vapors. The adhesive, made from soy flour and a special additive, performs as well as conventional adhesives but is environmentally friendly.