Scientists have discovered nucleobases, building blocks of genetic material, in meteorites that suggest an extraterrestrial origin. The findings, published in the Proceedings of the National Academy of Sciences, indicate that certain meteorites brought these compounds to Earth, providing a possible source for life.
Researchers at Disney Research and Carnegie Mellon University have developed a new technique for motion capture using body-mounted cameras. The system uses structure from motion (SfM) to reconstruct an actor's movements in real-time, enabling capturing of complex motions like running or swinging outside.
Researchers at Yerkes National Primate Research Center have shown that chimpanzees exhibit a significant bias for prosocial behavior, particularly towards partners who are patient. The study's findings confirm the altruistic nature of chimpanzees, suggesting human altruism may not be as rare as previously thought.
Researchers found that women share more about their infertility than men, and they often turn to other women for support. Couples adjust their information-sharing habits based on each partner's feelings of stigma and societal pressure.
Researchers at UCLA have found that adult human cardiac myocytes lose their ability to proliferate due to their primitive state being incompatible with proper heart function. This knowledge could lead to reprogramming a patient's own cardiac myocytes to replace damaged heart muscle, potentially revolutionizing treatments for heart cond...
A new study published in the Journal of Bone and Joint Surgery found that carpal tunnel syndrome patients prefer to share decision-making with their physicians. Patients who had undergone previous surgical procedures, had caregivers, or additional private insurance were more likely to assume an active role in the decision-making process.
A new study reveals that female mosquitoes cannot detect the fertility status of their mates, making it difficult to control mosquito populations and prevent the spread of malaria. Researchers found that females will mate with both fertile and spermless males, leading to a loss of reproductive opportunities.
Smokers who light up within 30 minutes of waking are 1.79 times more likely to develop lung cancer and 1.59 times more likely to develop head and neck cancer compared to those who delay smoking for over an hour. Targeted smoking cessation programs may help reduce tobacco's negative health effects.
A recent study suggests that a spike in oil prices could bring together conservatives and liberals on energy policy due to its potential impact on public health. 76% of respondents believe oil prices are likely to triple in the next five years, with strong conservatives being the most sensitive to these risks.
A new study found that some hospitals have high rates of finding CAD during cardiac catheterization, while others have low rates. Hospitals with lower rates were more likely to perform procedures on younger patients, women, and those with atypical symptoms.
A cross-sectional study found that older patients with heart failure and low left ventricle function experience reduced verbal memory performance, particularly delayed recall and recognition. The association between heart failure severity and cognitive impairment is complex and warrants further research.
The NASA National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) has successfully completed its most comprehensive end-to-end compatibility test. The NPP satellite contains a suite of five sensors that will make measurements to continue producing key data products about Earth.
Los Alamos researchers successfully observed the elusive hydronium ion for the first time using neutrons, revealing its crucial role in enzyme-catalyzed reactions and protein transport. This breakthrough has significant implications for understanding biochemical systems and treating diseases such as acid reflux.
A global survey suggests that religious people are happier than non-religious individuals in societies facing stress and hardship. However, in more affluent societies with social supports, the relationship between religion and happiness is less clear-cut.
A young researcher has successfully designed an optical device that can slow down light, enabling the creation of a practical invisibility cloak. This breakthrough could allow for the development of camouflage technology in various colors and scenarios.
Researchers discovered a DNA biomarker, GSTP1, in bodily fluids that can complement the PSA test to increase prostate cancer diagnosis accuracy. The new blood test may reduce unnecessary biopsies and provide physicians with reassurance about biopsy recommendations.
Tiny particles in liquids form cluster crystals that exhibit regular structures and flow like strings under mechanical strain, altering viscosity. The behavior is the same for all types of cluster crystals, with critical strains predicted using a simple theoretical model.
Researchers at Disney Research developed Surround Haptics, a tactile technology that simulates various sensations, including road imperfections and collisions. The technology uses virtual actuators to create a wide range of haptic effects.
A new study from Nationwide Children's Hospital helps clarify the definition of gastroesophageal reflux disease (GERD) in neonates. The research finds that symptoms can occur with acid, non-acid, gas, liquid, or mixed events, making treatment strategies based on modifying gastric acidity alone ineffective.
A study by Henry Ford Hospital found that prenatal pet exposure is associated with lower IgE levels in infants, reducing the risk of allergies and asthma by age 2. The findings also suggest that delivery mode and race can influence allergy development.
Researchers found that MAVS proteins, similar to deadly prions, play a crucial role in innate immunity by forming clusters on mitochondrial membranes to defend against viral assault. This discovery may deepen our knowledge of host defense and provide insights into the development of new treatments for prion-related diseases.
Debris flow hazard assessment and dune migration in Antarctica are among the highlights from the September issue of GEOLOGY. Additionally, a new study has confirmed the existence of the Luizi impact structure in Central Africa, while another research reveals a determination of fungal disease's role in Permian woodland deterioration.
A researcher is investigating the factor that initiates the immune system's overreaction after a traumatic event. The goal is to interrupt this chain of events and prevent unnecessary cell death in the intestines.
A new study found that graphic cigarette package warning labels, including images of lung and mouth cancer, can significantly reduce demand for cigarettes. The experimental auction involved 404 adult smokers from four states, who bid on packs with different kinds of warning labels.
Researchers at TUM found that schoolchildren can master complex math topics on their own, without significant differences in performance between weaker and stronger students. The study, which involved 1600 8th-grade students, suggests that child-led learning can be an effective option for teachers to offer varied lesson formats.
A USC scientist has created a lentiviral vector that targets and destroys HIV-infected cells using 'suicide gene therapy', depleting about 35% of existing HIV cells in culture dishes. The treatment approach is an important step towards curing HIV and will be tested in mice next.
Dale Browne, MD, a renowned ear, nose, and throat specialist, will receive the American Academy of Otolaryngology—Head and Neck Surgery Distinguished Service Award. The award recognizes his extensive meritorious service to the specialty through instructional courses, scientific papers, and leadership positions.
University of Guam ecologist Thomas Marler conducted botanical surveys on Mount Pinatubo's slopes to study primary succession. He found that unstable soil surfaces continue to impact community formation, and elevation and distance from human settlement are key factors in vegetation characteristics.
Researchers have developed a new method to assess psychoactive compounds' effects on eye movements in mice, which can be used to predict efficacy and detect side effects. This approach shows promise for guiding more efficient drug development for brain-related conditions.
A new imaging tool has been developed to help understand and predict the structure of nanometer-sized pieces in living cells and devices. The technique, called phase-modulation 2D fluorescence spectroscopy, allows researchers to study complex molecular structures at the nanoscale.
Tropical Depression Emily made a brief comeback on August 6, strengthening to 30 mph winds before dissipating by Sunday. NASA's Aqua satellite captured images of Emily's thunderstorms and cloud top temperatures, showing signs of strengthening and heavy rain.
A study by Cornell University researchers reveals that men whose partners have stronger relationships with their closest friends are more likely to experience erectile dysfunction and difficulty achieving orgasm during sex. This phenomenon, known as partner betweenness, undermines traditional masculine values of autonomy and privacy.
Candice Shoemaker's study shows that creating a course map with student learning outcomes improves student confidence in understanding topics, correlating with better academic performance. Students' average confidence increased from two to four by the end of the semester.
A new study published in The Lancet found that platinum-based doublet chemotherapy is associated with improved survival rates for elderly patients with non-small-cell lung cancer. The treatment showed better results compared to monotherapy in patients over 70 years old, suggesting a potential shift in the current treatment strategy for...
Patients with advanced Parkinson's disease who received deep brain stimulation implants showed sustained motor function improvement, including reduced tremors and rigidity, even after 10 years. However, axial signs such as posture and balance progressively declined over time.
A new University of Utah study reveals that woodrats that eat a variety of toxic plants can limit their toxin intake more effectively than those that specialize in one plant. By increasing time between meals, reducing meal size, and drinking more water, generalist woodrats regulate their toxin exposure.
A new algorithm developed by Tel Aviv University researchers can process massive amounts of digital data instantly, allowing for more efficient tracking and prediction of criminal movements. The algorithm creates probability maps displaying likely locations of suspects, enabling officials to focus resources on high-probability areas
A team led by Mercyhurst College archaeologists is on the verge of uncovering cultural evidence of early human occupation in the submerged continental shelf of the eastern Gulf of Mexico. Using advanced technology, they aim to excavate archaeological materials from previously identified high-potential locations.
Research reveals that over-the-counter herbal products often fail to provide essential safety information, putting users at risk of adverse effects and interactions with other drugs. The study found that nearly all products were unlicensed and marketed as food supplements, highlighting the need for reliable information and regulation.
Researchers have discovered an antibody that can neutralize a broad range of flu strains, potentially reducing the need for annual vaccinations. The antibody, called CH65, mimics key aspects of the influenza virus's entry point and could guide the development of vaccines targeting multiple strains.
Whitehead Institute researchers uncover a novel association between dectin-1 and galectin-3 in macrophages, enabling the immune system to discriminate between non-pathogenic and pathogenic fungi. This discovery may lead to the development of more effective antifungal drugs.
Researchers at UBC are presenting significant advancements in computer animation and simulation technology. They have developed a tool that generates readable text-art using vector images and text, as well as a physics-based simulation of canine motions for games and film.
John House, MD, a leading expert in otolaryngology, is recognized for his extensive service to the American Academy of Otolaryngology. The award honors his contributions to the field through instructional courses, scientific papers, and leadership roles.
Child-centered approaches result in older toilet training ages, with key findings including negative outcomes associated with late start times and punishment-based methods. The Canadian Paediatric Society recommends starting toilet training at 18 months of age, with expert opinion guiding physicians for patients unlikely to cause harm.
A study published in the Journal of the American College of Surgeons found that acute care emergency surgical service (ACCESS) reduced surgical decision time by 15% and overall ED overcrowding by 20%. The implementation of ACCESS also improved length of stay for patients with appendicitis cases.
A study by Johns Hopkins University psychologists found that preschool children's math skills are strongly correlated with their innate 'number sense' abilities. The researchers tested 200 four-year-olds on various tasks measuring number sense, mathematical ability, and verbal ability. Their findings indicate that children's precision ...
Patient demand for care from safety-net providers in Massachusetts has increased despite expanded insurance coverage following state's passage of health care reform. Newly insured patients continued to seek care at these sites due to convenient locations and affordable services.
Researchers developed second-generation engineered T cells that successfully target and kill ovarian cancer cells in immune-deficient mice. The new technology overcomes limitations of first-generation approaches, showing improved persistence and survival signals for the engineered T cells.
The new microscope combines light-sheet microscopy and single molecule spectroscopy to record fluorescence and take snapshots every millisecond. It allows scientists to observe and measure fast processes like molecular diffusion across entire samples.
Researchers found that patients who developed moderate to severe anemia had a significantly higher mean blood loss from phlebotomy compared to those who did not. The study suggests that reducing unnecessary phlebotomy and blood volume could help prevent hospital-acquired anemia in heart attack patients.
A new study found that marine microbes form communities based on shared genes, rather than species identity, leading to high diversity within each community despite similarities in core functions.
A University of Nebraska-Lincoln study reveals that education has a positive impact on Americans' church attendance, devotional practices, and support for religious leaders. Higher education erodes beliefs in the 'one true faith' but strengthens belief in the afterlife.
Steven McCabe, MD, assistant professor at UofL School of Public Health and Information Sciences, will teach scientific research methodology to graduate students in Italy as part of the Fulbright Program. He aims to expand his decision analysis research and discuss research related to carpal tunnel syndrome.
The FASEB MARC Program has awarded $4,950 to 3 students and postdoctorates from underrepresented minority groups for their poster/platform presentations at the ASBMR 2011 Annual Meeting. The program aims to increase diversity in biomedical research through mentorship and career development opportunities.
Researchers urge more stringent building standards to reduce property damage and loss of life in tornado and hurricane-prone areas. The new report highlights the need for tailored construction practices that consider local risks and specific storm events.
Researchers have identified a crucial role for TCF-1 in regulating T-cell development, which could lead to improved treatments for immune-suppressed patients. Notch triggers the process of T-cell development and turns on expression of TCF-1, but not itself.
Tropical Storm Muifa is filling the Yellow Sea with its cloud cover, stretching from China to South and North Korea. NASA satellites captured images showing strong thunderstorms around the eye of the storm, with the heaviest rain falling east of the center.
A newly discovered human antibody recognized multiple strains of the flu virus, providing a promising lead for developing a longer-lasting vaccine. The antibody, dubbed CH65, binds tightly to the receptor pocket on the influenza virus, making it less affected by mutations.
Researchers at the University of Pittsburgh School of Medicine identified a molecular pathway that helps explain how an enzyme elevated in asthma patients contributes to inflammation and mucus production. The study reveals unique interactions between biological molecules that could be targeted to develop new asthma treatments.
Researchers at the University of Cincinnati have developed a method to stabilize radicals, allowing for controlled release of fragrances. This breakthrough enables slow release of scents over time, useful for household products and medical applications.
A University of Leeds investigation found that many over-the-counter herbal remedies are missing crucial safety information, despite new EU regulations. The study evaluated 68 products from various stores and pharmacies, revealing 93% were unlicensed and lacking comprehensive warnings.
A new risk assessment model predicts development of advanced age-related macular degeneration (AMD) in individuals with early symptoms. The model identifies phenotypic, demographic, environmental, and genetic risk factors, accurately predicting progression and helping determine follow-up examinations and preventive measures.
A study published in Interdisciplinary Environmental Review reveals high levels of toxic heavy metals in Jail Talav and Kalwa Lakes, posing a risk to drinking water and crop irrigation. Regular monitoring is crucial for the well-being of the surrounding population.
Research by Christine Cheng and Margit Tavits found that the gender of party gatekeepers plays a crucial role in selecting female candidates for political office. Women are more likely to be nominated when local party presidents are also women, as this sends an encouraging signal to potential female candidates.
The number of laparoscopic bariatric procedures rose from 20% in 2003 to over 90% in 2008, while inhospital mortality rates decreased from 0.21% to 0.10%. The study also found a significant increase in the number of bariatric surgeons during this period.
A new study published in The Journal of Molecular Diagnostics has demonstrated the feasibility of focused fetal gene expression analysis of target genes found in amniotic fluid. The analysis could be used to monitor fetal development and determine whether fetal organ systems are developing normally.
The RainGain project aims to provide detailed precipitation and flooding data on an urban scale. TU Delft will utilize rain radar technology to measure local precipitation patterns in Rotterdam and other partner cities, enabling more effective urban water management and flood protection strategies.
Dental enamel's unique structure is formed through a complex biomineralization process. The Pitt team identified the role of amelogenin in self-assembling into higher-order structures that guide mineral particles into parallel arrays, leading to highly mineralized enamel.
Researchers are studying the impacts of pollutants on white sturgeon populations in California's Sacramento-San Joaquin Bay Delta. They aim to identify contaminants affecting reproduction and develop targeted management strategies for recovery.
Researchers at Ohio State University found that lenalidomide interacts with P-glycoprotein, a molecule that pumps toxic chemicals out of cells. This interaction may lead to increased toxicity and require safer dosing of the drug in various diseases. The study involved 21 patients with relapsed multiple myeloma.
A CWRU study reveals that distance caregivers for advanced cancer patients struggle with emotional stress, lack of control, and limited access to information about their loved ones' condition. Researchers aim to design a program using new technologies to bridge the distance gap.
Researchers developed a new method to assess CNS drug action using eye movements in mice, which showed promise for treating diseases such as Huntington's disease. Additionally, studies revealed that the protein GSK-3 is critical for lithium's effects on behavior in bipolar disorder patients.
A recent study by Sam Houston State University found that GPS monitoring of Arizona sex offenders triggered a significant number of false alarms, consuming an inordinate amount of probation officers' resources. The study recommends improving the system to reduce non-violation alerts and increasing officer training to address these issues.
A new study by Rice University and Southern Methodist University found that 45.4% of women and 24.5% of men scientists have fewer children than they wanted due to career pressures. Women are more satisfied with their lives despite having fewer children, while men experience a greater impact on life satisfaction.
People from lower classes have fundamentally different ways of thinking about the world than people in upper classes. Lower-class individuals are better at reading other people's emotions and act altruistically. In contrast, wealthier people don't read others' emotions as well and hoard resources.
Researchers found that new mutations, separate from inherited mutations, significantly contribute to the occurrence of schizophrenia. This discovery highlights the significance of personal genome sequencing in understanding complex diseases like schizophrenia.
A Gladstone scientist has discovered a genetic factor that regulates heartbeat synchronization, potentially advancing medicine and human health. The study found that abnormalities in this regulation lead to heart arrhythmias, which can be fatal, and may offer new avenues for drug therapy to target these pathways.
Dimitrios Morikis and Lincoln Johnson aim to create new inhibitors of the complement system to treat the disease, which affects over 1.75 million Americans. The researchers will use computational modeling and virtual screening to identify potential treatments.
A new study reveals that extreme cold temperatures can have a devastating impact on coral reefs, causing widespread death and destruction. The research found that corals depend on symbiotic algae for nutrition, which is inhibited by cold temperatures, leading to a potential net loss of carbon transferred from the algae to the coral.
A study published in The American Journal of Pathology reveals a novel mechanism for pillar formation during intussusceptive angiogenesis in tumors. The researchers found that targeting just one type of blood vessel formation may not be sufficient to slow tumor growth, and instead propose a more tailored approach to anti-tumor therapy.
Georgia Tech professors Paul Houston and C. David Sherrill were named ACS Fellows in 2011 for their work in chemistry, contributing to global challenges like providing clean water and new energy sources.
Researchers found a connection between erectile dysfunction and social networks shared by heterosexual men and their partners. Partner betweenness, where a male partner has weaker relationships with his confidants than his female partner, is linked to increased risk of ED.
Frequent visual field testing in patients with primary open-angle glaucoma may lead to earlier detection of the condition's progression, according to a study published in Archives of Ophthalmology. The researchers found that twice-yearly schedules resulted in earlier detection compared to yearly schedules.
Researchers found identical lead isotopes in ancient rocks from North America and Antarctica, suggesting a connection between the two continents 1.1 billion years ago. This discovery strengthens support for the SWEAT hypothesis and provides critical clues to the geographic relationships between major continents.
A shortage of primary care physicians and limited access to these services are contributing to rising numbers of emergency department visits in the US. The study found that nearly 98% of Americans have health insurance coverage, yet barriers such as wait times and transportation issues remain a major challenge.
A NASA scientist and her colleagues observed for the first time that an earthquake and tsunami can break off large icebergs a hemisphere away. The Tohoku Tsunami in 2011 caused massive waves to reach Antarctica, calving off several chunks of ice that equaled about two times the surface area of Manhattan.
Researchers use Fourier transform infrared-attenuated total reflection spectroscopy to identify infected trees with 95% accuracy. The method is faster and cheaper than current DNA testing, but further differentiation between diseases is needed.
A new study from the University of Haifa found that walking around the ward during hospitalization significantly reduces the length of older patient's stay. The study, which surveyed 485 participants aged 70 and up, found that patients who walked around shortened their hospital stay by an average day and a half compared to those who di...
Male fruitflies experience a prolonged mating period with females after encountering rival males, increasing the length of mating by up to 93% in some species. This 'paranoid' behavior is thought to ensure fertilization before females mate with other males.
A randomized controlled trial found that soy isoflavone tablets did not prevent bone loss or reduce menopausal symptoms in women, contradicting previous hopes for an alternative to estrogen therapy. The study involved 248 women with low bone density and followed them for two years.