Richard R. Schrock has developed catalysts that make molecules efficiently, leading to discoveries of potential antibiotics and anticancer compounds. His work significantly influences the field of organic chemistry.
Dr. Duane Grandgenett receives nearly a million dollars in grants to study ways of inhibiting HIV replication in humans. He aims to develop an HIV inhibitor targeting the integrase protein, which plays a crucial role in the virus's survival.
Victor Snieckus has invented more efficient methods for creating organometallic compounds, which have applications in pharmaceuticals, agriculture, and electronics. His research has led to the development of a new painkiller, fungicides for wheat crops, and conducting materials.
Scientists have created a synthetic antifreeze protein that mimics the natural defense mechanism of Arctic and Antarctic fish, which can prevent ice growth in living organisms. The new compound has potential applications in frost protection for crops, preservation of human organs, and elimination of freezer burn.
The American Sociological Association's Annual Meeting will discuss human subjects protection in social sciences, featuring a panel presentation on the topic. The special session aims to address issues related to research, teaching, and training in human subjects protection.
Research found that racial earnings disparities are smallest in low-paid occupations and largest in high-paid ones. Black professionals face significant disadvantages due to limited access to lucrative customer bases, occupational segregation, and lower social networks.
Researchers found that feeding hot pepper oil to chickens increases resistance to Salmonella enteritidis without adverse effects on feed consumption or taste. The oil causes mild inflammation in the intestines, making it difficult for the bacteria to bind and invade the body.
Weizmann Institute scientists propose a novel vaccination method to prevent secondary degeneration after partial spinal cord injury, leading to significant recovery of movement in rats. The treatment protected nerve fibers and showed potential effectiveness in other central nervous system disorders.
A study by University of Illinois researchers has identified a mechanism that determines whether pigment moves within cells. The discovery reveals that the motor protein is disengaged as a result of phosphorylation during cell division. If confirmed, this finding could lead to new cancer treatments targeting specific mechanisms.
The Center for Wireless Communications has been awarded $1.5 million in California matching funds to complement corporate funding for five separate research projects. The grants will support Ph.D. students performing wireless research on key issues such as achieving higher data rates and lowering wireless access costs.
Mutations of the Lkb1 gene cause Peutz-Jeghers syndrome, a disorder characterized by polyps in the intestines and increased risk for cancerous tumors. Researchers found that Lkb1 regulates the formation of heart and blood vessels in embryos.
Scientists from PNNL are conducting a multi-organization study to gather first-of-its-kind air chemistry data essential to effectively address regional air quality problems such as ozone and microscopic atmospheric particles. The study aims to capture the distribution, transport, and formation of these pollutants in the atmosphere.
Researchers found that a fish oil-rich diet protects against colon cancer, while a corn oil-diet appears to promote it. The scientists also discovered how cancer spreads among cells in the colon, with a new understanding of cell damage varying from bottom to top within crypts.
Researchers at North Carolina State University discovered that fire ant queens can alter the sex ratio of their colonies by limiting female eggs laid. This finding suggests a negotiated middle ground between queens and workers, who have competing interests in raising new colony members.
Scientists have successfully synchronized two independent femtosecond lasers to generate a single pulse of light exhibiting properties of both lasers. This breakthrough enables the creation of new shapes of light pulses that could not be achieved individually.
Prominent plant scientists share their perspectives on genetically modified crops, exploring their potential to address world hunger and improve nutrition. The publication addresses concerns over safety, regulation, and social impact, offering a science-based understanding of the GMO controversy.
The Center for the Advancement of Health is developing urban-life indicators to assess quality of life for minority populations. The project aims to identify key criteria and methods for ranking urban areas within specific quality-of-life domains.
Researchers analyzed data from electronic tags on Atlantic bluefin tuna, revealing significant insights into their migrations, diving patterns, and environmental preferences. The study found that Atlantic bluefin tuna often travel throughout the North Atlantic, with some individuals migrating between two distinct breeding populations.
A study by Johns Hopkins researchers found that church-based nutrition and exercise programs significantly reduced heart disease risk factors in African-American women. The program, which included on-site exercise and dietary activities, showed a 10% reduction in 11 of 13 risk factors for heart disease after one year.
A Belgian study of non-identical twins found that female twins prolong gestation by 0.4 weeks, resulting in a higher birthweight for their male co-twin. Birthweights of unlike-sex twins were also compared, with female twins having similar weights to same-sex twins but male twins weighing an average of 78g more.
Researchers have developed portable chemical sensors using shifting liquid crystals, which can detect environmental exposure to residential pesticides and monitor food spoilage. The sensors are extremely sensitive and quick, taking only seconds to complete detection and reset.
A Swedish study published in The Lancet found no association between antihypertensive drug treatments and an increased risk of cancer. The study analyzed 6600 patients with hypertension, randomly assigning them to three treatment strategies, and found no significant difference in cancer incidence between groups.
A hospital-based study in Malawi found that children with HIV were less likely to develop rotavirus infection and shed the virus, but were more likely to die from diarrhea. The study's results encourage further research into the safety of rotavirus vaccines for HIV-infected infants.
Adults with cystic fibrosis (CF) are susceptible to cross-infection, including superinfection, from Pseudomonas aeruginosa. Chronic colonization occurs in up to 80% of CF patients, leading to increased illness and death. Genotypic changes in strains suggest social contact is a common mode of transmission.
Researchers found that 20% of caterpillars died from parasitoid attacks, mostly from introduced species. The study highlights the importance of understanding ecological costs of biocontrol agents to prevent adverse cascading events in food chains.
Research on designer mice lacking vascular thrombomodulin has led to a greater understanding of the protein's importance in preventing blood clots. The study reveals that this critical regulator is necessary for maintaining normal blood coagulation, with severe consequences for those lacking it.
Researchers found a new protein supercomplex linking PSI and PSII in cyanobacteria, increasing light harvesting ability by 72%. This adaptation enables oxygen production even in low iron conditions, with significant global environmental implications. The discovery suggests an evolutionary link between the two photosynthetic complexes.
Research by University of Michigan cognitive neuroscientist Patricia Reuter-Lorenz found that older adults activate both hemispheres of the brain to perform memory and information processing tasks. This bi-hemispheric processing may help compensate for age-related short-term memory and mental speed declines.
The skin's acid coating, composed of fatty acids, helps maintain strength and cohesiveness. The discovery could aid in developing therapies for skin problems like psoriasis.
Researchers found that antioxidant treatment produced scattered blistering, lower inflammation, and extensive healing compared to no treatment or acid suppressants. Oxidative damage was a major cause of reflux oesophagitis, suggesting antioxidants should be considered primary treatment alongside acid suppressants.
Berkeley Lab is developing new computational tools, including algorithms and software frameworks, to tackle complex scientific problems. The funding will support the creation of a terascale simulation environment for accelerator science and technology.
Cannibalism is reevaluated as a complex practice with positive meanings among the Wari' people of the Amazon rainforest. The study reveals that funerary cannibalism was an act of affection, respect, and coping mechanism for grief, helping survivors to reconcile with their deceased loved ones.
A study of over 300 employees found that workplace passive smoking significantly adversely affected lung function, with a 5-10% reduction in lung function at the highest levels of exposure. Non-smokers exposed to passive smoke at home or in public places showed no similar decline.
A team of astronomers has discovered a Jupiter-size planet in a nearly circular orbit around the nearby star 47 Ursae Majoris, located about 51 light years from Earth. The new planet is at least three-fourths the mass of Jupiter and orbits the star at a distance that would place it beyond Mars but within the orbit of Jupiter.
Researchers investigate integrin signaling in psoriasis, discovering altered expression of key proteins involved in immune responses. This study sheds light on potential therapeutic targets for treatment of the chronic skin condition.
A study by Duke University researchers found that HIV patients value high levels of control over medical record access, leading them to choose distant clinics or withhold information. The results highlight the need for providers to prioritize patient confidentiality and provide training on record-keeping and sharing.
A new study suggests that modest dietary restrictions before fecal occult blood testing (FOBT) for colon cancer screening do not significantly impact completion rates. The report also notes that more severe restrictions may reduce test completion, highlighting the potential benefits of simplifying dietary advice for FOBT testing.
Researchers found that humans possess two activated copies of the IGF2R gene, which helps prevent fetal overgrowth and cancer susceptibility. This genetic difference may make human cloning less complicated than other animals.
A study of over 19,000 adults in Spain found that moderate to high alcohol consumption, including beer and spirits, was associated with lower levels of subjective ill health. Wine drinkers had less ill health than non-wine drinkers, but this association varied by age.
PPPL will participate in four SciDAC projects focused on plasma confinement systems and data analysis, aiming to improve physics models and computer resources. The projects will enable geographically separated scientists to collaborate and analyze high-speed data.
Researchers are exploring postraumatic vaccination as a potential treatment for spinal cord injuries, showing promise in promoting neural regeneration and recovery. Early studies suggest that this approach may improve functional outcomes and quality of life for affected individuals.
Researchers create antibody Fab D18, which blocks prion propagation and clears infectious prions from cell cultures. This breakthrough provides a potential therapeutic target for a human drug to cure established infection.
Researchers found that using rewards with naltrexone significantly improved treatment retention and naltrexone compliance. Patients who earned vouchers for drug-free behavior saw an increase in these outcomes.
A study by Johns Hopkins Medicine found that 18% of schoolchildren experience food-allergy attacks, with milk and peanut being the most common culprits. Parents and schools must work together to provide emergency plans and medication to prevent reactions.
A UCSF study of exclusive receptive oral intercourse with a male partner found a very low probability of acquiring HIV. The study involved 198 participants, none of whom contracted HIV through oral sex.
A recent study published in Clinical Therapeutics found that reminder programs may not improve medication adherence among patients taking pravastatin. Patients who complied with their medication regimen were more likely to adopt other coronary risk-reducing behaviors, such as regular exercise and better eating habits.
Advanced practice nurse home visits significantly lower infant mortality, preterm births, and rehospitalizations. The intervention also yields substantial savings to the healthcare system.
A study found a 99.65% chance of survival for newborns with minimal environmental factors, while space flight reduced sleep-related disturbances by 55%. Undiagnosed airflow obstruction affects 12% of older US adults, with mild cases often leading to pronounced shortness of breath.
Researchers have identified scientifically based selection criteria for patients seeking lung volume reduction surgery (LVRS) as a potential treatment for advanced emphysema. High-risk patients with severe lung damage and poor outcomes after surgery are no longer being enrolled in the study, but will continue to receive medical treatment.
A nationwide study by Ohio State University researchers found that gun owners have less faith in the federal government than non-owners. The study controlled for various factors, including political ideology and fear of crime, and found a significant correlation between distrust of government and gun ownership.
Researchers found that individuals who separate their identity from negatively perceived organizations are more likely to maintain a positive distinctiveness and distance themselves from those stereotypes. This phenomenon, called disidentification, often leads to action against the organization.
Research at the University of Minnesota suggests that early drinking is a symptom of an underlying predisposition to alcoholism and other behavioral problems. Early drinkers are more likely to experience drug abuse, delinquency, antisocial behavior, and decreased educational attainment.
A team of four researchers at Rensselaer Polytechnic Institute has received a $1 million grant to solve various problems using inverse problems, a branch of applied mathematics. They aim to develop algorithms for detecting tumors, locating submerged objects, and identifying cracks in airplanes using low-frequency elastic waves.
A study found that moderate alcohol exposure during early pregnancy can cause noticeable reductions in infant attention and motor maturity, similar to continuous or late exposure. This contradicts previous research suggesting growth and behavioral problems only occur with later exposure.
Researchers at Yale University have identified a genetic cause of high blood pressure, a condition that affects 25% of adult populations. The study found two genes that contribute to the disease, which is linked to increased salt reabsorption and diminished potassium secretion in the kidneys.
A recent study by Carnegie Mellon scientists discovered that reading and listening to identical sentences produce systematically different brain activation patterns. The right hemisphere was less active during reading, while the left-hemisphere's pars triangularis region showed increased activation in listening comprehension. This sugg...
A genetic mutation known as Id1 may help detect melanoma early, when it's still curable. High levels of Id1 are found only in the first stages of melanoma, making it a potential diagnostic marker.
A new NASA satellite sensor and field experiment reveals that aerosols can both cool the surface and warm the atmosphere. By analyzing data from the Indian Ocean Experiment (INDOEX) campaign, scientists found a regional cooling effect of up to three times greater than the warming effect of greenhouse gases.
Medical school leaders in the US express concerns about the health and quality of their clinical research enterprises, citing pressure on faculty to see patients, insufficient revenues, and difficulties recruiting trained researchers. Despite some positive findings, many believe that addressing these challenges is crucial for advancing...
Deregulated electric utilities will need to change their marketing strategies to provide standardized information, enabling consumers to make informed choices. The study found that people prefer to choose utilities by comparing standardized labels, similar to shopping for food at the supermarket.