A new study of 27,050 kidney transplants found that patients with locally matched kidneys require less long-term care and incur lower costs. The average cost to Medicare was $60,436 for identical HLA markers, increasing by 34% as mismatches rose from one to six.
Researchers from the Howard Hughes Medical Institute identified a crucial lipid molecule produced by M. tuberculosis to infect lung tissue. The discovery could lead to improved vaccines and treatments for tuberculosis, which kills more people than AIDS or malaria.
A recent study published in Science found that chimpanzee subspecies are genetically mixed and more diverse than previously thought. The research suggests that the variation in the chimpanzee genome is not due to cultural differences, but rather a result of genetic variation between populations.
Researchers will investigate how mind influences disease development and recovery, including infectious diseases, osteoarthritis, cardiovascular disease, and breast cancer. The center aims to develop interventions to enhance quality of life among chronic illness sufferers.
A recent study by David J. Maume Jr. found that 44% of men are promoted after 12 years, compared to 15% of white women, 7% of black women, and 17% of black men. Discrimination was the only factor controlling promotion rates across professions.
Scientists discovered that Prozac increases new neurons in rats' brains by 69% compared to controls. This finding may explain why people recover from depression with SSRIs. The study also suggests serotonin's role in treating other neurological diseases like Alzheimer's.
Physicists discuss new discoveries in plasmas, including solar eruptions triggered by magnetic flux ropes. Advances in plasmatrons for vehicles reduce pollution emissions, enabling more efficient engine operation.
Research suggests that some older adults have impaired decision-making skills, making them more vulnerable to fraudulent activities. A study found that a third of healthy individuals in their 60s performed poorly on a gambling task, similar to those with known brain damage.
William Chandler, a research scientist at Pacific Northwest National Laboratory, has received the World Climate Technology Leadership Award for founding a global network of energy efficiency centers. His work promotes energy efficiency and reduces greenhouse gas emissions on a global basis, setting a standard for others to follow.
Physicists at Lawrence Livermore National Laboratory are developing a control system that switches off a cutting laser when it detects phosphorus, allowing for quick and efficient fossil cleaning. This technique could significantly reduce the time-consuming process of preparing fossils by hand, especially for delicate or soft bones.
A new study reveals that relying on computers for pilot support can actually decrease performance and increase errors. The researchers found that volunteers who used automated cues performed poorly, while those who relied solely on instrument readings achieved higher accuracy.
A study by Massachusetts General Hospital found that only 17% of office visits included smoking-related counseling for adolescents. The frequency of questioning about smoking habits did not improve during the study period, and younger nonwhite adolescents were less likely to receive counseling.
The DFG's new Communicator Award is given to scholars and scientists explaining their research in a comprehensible manner. The award focuses on papers published in German and will be announced through various media channels.
Researchers identified two critical developmental genes, Dnmt3a and Dnmt3b, which control methylation patterns and are associated with ICF syndrome. Mutations in these genes may cause ICF, a rare condition characterized by immune system defects and facial abnormalities.
Researchers at UC have developed a novel method for detecting early signs of artery blockages using Doppler ultrasound, which can accurately predict turbulence intensity and detect atherosclerosis. This non-invasive technique is safer than current methods requiring ionizing radiation or pressure transducer insertion.
Researchers at Memorial Sloan-Kettering Cancer Center challenge current understanding of prostate cancer treatment by showing that testosterone withdrawal triggers a dormant state in tumor cells, rather than causing widespread cell death. This study offers new hope for developing targeted therapies to combat recurrent prostate cancer.
Researchers have combined laser heating and ultrasonic inspection to improve the detection of fatigue cracks in aircraft parts. The new method is more accurate than previous methods, but also more time-consuming and expensive.
Men with specific chromosome 8 abnormalities have a 30% survival rate after 10 years, compared to 78% for those with normal chromosomes. The findings could help identify patients who require closer follow-up and more aggressive early treatment.
A Duke study reveals that the pressures under poured sandpiles are highest at their peripheries due to unbalanced distributions of stresses. In contrast, showered sand piles concentrate stresses at their centers like medieval cathedrals' flying buttresses. This research has practical importance for structures prone to self-destruction.
A series of studies found that women in the military experience job dissatisfaction, reduced well-being, and physical and psychological harm due to harassment. The research highlights the need for greater gender parity and intolerance among leaders to address these issues.
A Yale research team has developed a molecular memory that can store information, outlasting conventional silicon memory by approximately one million times. The discovery uses self-assembly method to fabricate the molecular memory, which could lead to significant reductions in cost and improvements in electronics.
A study published in Circulation found that a timed-release capsule of basic fibroblast growth factor improved blood supply and heart function in heart bypass patients. The treatment, which promotes angiogenesis, showed no serious adverse effects in a small but promising clinical trial.
The University of Victoria has established a research chair to study ecological processes contributing to safe drinking water. The chair will evaluate watershed management activities, supply operations, and food chain changes to optimize water quality and minimize treatment costs.
A study published in Lancet suggests a genetic mutation in two genes, TEL and AML1, occurs during fetal development, leading to a potentially oncogenic protein. The fusion of these genes is not inherited but rather occurs during pregnancy, possibly due to a developmental accident.
Researchers found that highly active antiretroviral therapy (HAART) helped patients with CMV retinitis stop taking standard anti-CMV medications without progression. HAART also partially restored the immune system, allowing it to fight other serious infections.
A recent study by University of Illinois researchers suggests that including methane in emission-reduction strategies can significantly lower overall costs. The study found that methane can offset carbon dioxide reductions and reduce U.S. abatement costs by more than 25 percent compared to strategies involving carbon dioxide alone.
Researchers at Cornell University are working on bridging the gap between human dimensions and ultrasmall microchips. They aim to develop a dense array of connections to allow information exchange between large and small components.
Researchers explore how new technologies shape communication networks and change organizational performance in 21st century organizations, with a focus on global network organizations. The project aims to produce the first comprehensive test to explain and predict the evolution of knowledge networks.
Research found that positive words associated with aging, such as 'wise' and 'astute', increased walking speeds by 9% in older individuals. This study suggests that minimizing negative stereotypes about aging can lead to improved physical function and independence.
Researchers at the University of Illinois have successfully controlled and measured extremely high temperatures in microscopic gas bubbles formed by ultrasound. These hot spots can reach temperatures as high as a star surface and drive high-energy chemical reactions.
A recent Mayo Clinic study found that traumatic brain injuries increase the risk of Alzheimer's Disease, with a median observed time from injury to onset of 10 years. The study suggests that traumatic brain injury interacts with other factors to hasten the onset of Alzheimer's in susceptible individuals.
A five-year clinical trial found that premenopausal women taking fenretinide had a lower risk of developing another breast cancer, while postmenopausal women showed no significant benefit. The study also detected a reduced risk of ovarian cancer in younger women treated with fenretinide.
A recent study suggests that consuming less trans fat and increasing magnesium, vitamin B6, and B12 intake can help prevent artery calcification. Researchers found that adequate magnesium levels can mitigate the risk of calcified ridges in arteries, which can block blood flow.
A study of 30 people with iron deficiency anemia found that curing Helicobacter pylori reversed the anemia. Meanwhile, researchers discovered that 51% of eligible elderly patients hospitalized with acute myocardial infarction did not receive early beta-blocker therapy, leading to higher in-hospital mortality rates.
Researchers find substance use and dependence are significant problems among welfare recipients, but academic skill deficits are a greater barrier to self-sufficiency. Effective services addressing mental health needs and providing support for work barriers are crucial for successful fulfillment of family roles.
A study found that an HIV prevention program targeting young gay men through social networks and peer support significantly reduced unprotected anal intercourse. Participants reported increased enjoyment of safe sex and better communication with friends about safer sex practices.
Researchers found that 70% of Southeastern adults with Lyme-like symptoms were not infected with the standard Borrelia burgdorferi strain. Instead, a genetically variant strain was detected, which may be more responsive to antibiotic therapy and less virulent than traditional Lyme disease.
Airline safety expert Arnold I. Barnett says flying with major carriers on the same route doesn't significantly reduce risk. The death-risk statistic for US domestic jet carriers is 1 in 7 million, and frequent flyers face minimal cumulative risk.
Researchers at USC have created a machine system that recognizes spoken words better than humans, with potential benefits for Navy sonar and improving interaction between man and computer. The system may eventually enable voice control of computers, help the deaf, and aid air traffic controllers in noisy environments.
Recent research reveals a master regulator protein that prevents DNA replication at the wrong time in the cell cycle, ensuring each progeny cell has the correct number of gene-bearing chromosomes. This discovery could lead to new design principles for operating autonomous devices.
The University of Washington's HIT Lab has developed Shared Space, a technology that combines virtual reality with the physical world. Users can see digital images and interact with others and the environment simultaneously, enabling natural collaboration.
The American Geophysical Union has established a new journalism award to recognize the work of science writers covering news stories. The David Perlman Award will honor writers who produce high-quality news stories in various media outlets.
A new study published in the International Journal of Psychiatry in Medicine found that depressed mood is significantly related to increased mortality risk among people with congestive heart failure. Patients with severe depression were four times more likely to die within two years than those without depression.
A recent study by Reg A. Williams highlights the significant economic impact of depression in the workplace, citing an estimated total cost of up to $44 billion. The study also identifies key risk factors for depression, including stress, negative changes in personal life, and difficulties in interpersonal relationships.
Acoustical technology developed at CU-Boulder uses high-frequency pulses to detect fouling deposits on membranes, allowing for more efficient purification of drinking water. The technique has the potential to reduce chemicals needed and improve membrane performance in applications such as seawater desalination.
UCSD researchers successfully integrated electronic neuron within a group of biological neurons, demonstrating the potential for restoring brain function. The key finding was the simplification of mathematical algorithms, allowing for a radical reduction in variables to control a neuron's overall function.
Researchers will use marine microorganisms to discover new chemical compounds with anticancer properties, acting through non-traditional mechanisms. The study aims to identify novel agents that can accelerate the drug development process and improve treatment options for cancer patients.
The American Heart Association has prepared 16 news releases and 32 news tips for the 72nd Scientific Sessions. Logistical information includes room locations, telephone numbers, hours of operation, and name badge requirements. Reporters can access news conferences, media availabilities, and exhibitions at specific times.
Dr. Bruce D. Walker delivers a lecture on immune-mediated control of HIV infection, highlighting the Wistar/Philadelphia FIGHT Collaborative Project. The project combines basic immunotherapy with community-based research involving over 4,000 individuals living with HIV/AIDS.
A recent study of first-year medical students found that female students are more patient-centered in their approach to medicine, prioritizing equal partnerships and shared decision-making. This patient-centered attitude is also associated with a greater desire to practice in community and primary care settings.
A recent study reveals that long-term nerve damage in diabetic rats can be reversed by treatment with an insulin-like protein. The protein may prevent or alleviate certain nerve complications associated with diabetes, such as irregular blood pressure control and digestive issues. Researchers are hopeful about the potential therapeutic ...
The four-part PBS series 'Intimate Strangers: Unseen Life on Earth' delves into the importance of microbes in sustaining human life and driving chemistry of life. Dr. Frederic Pfaender, a UNC-CH microbiologist, advocates for watching the series to learn something and enjoy the experience.
A recent study found that insulin-like growth factor I (IGF-I) can reverse nerve damage in diabetic rats, with 80% fewer swollen nerve endings observed. The protein may compensate for the loss of a healthy factor or be a nourishing agent itself.
A recent University of Iowa Health Care study calls into question the reliability of a classification system used to evaluate treatment outcomes in children with Legg-Calve-Perthes Disease. The Stulberg Classification System, developed in 1981, predicts long-term patient outcomes but has poor reliability among surgeons.
A newly discovered gene in the pituitary gland is found to be activated by estrogen, leading to cell proliferation and tumor development. Researchers have identified this link between estrogen and pituitary tumor growth, which may lead to improved cancer diagnosis, assessment, and treatment.
Researchers from Mount Sinai Hospital and University of Toronto have discovered that Alzheimer's disease proteins also play a crucial role in mammalian development. The study used mice lacking PS1 and PS2 genes to investigate their normal function, finding that these proteins are essential for brain development.
Researchers have identified key factors contributing to the gender difference in depressive symptoms, including lower mastery over life areas and chronic strain. Women are more likely to get caught in a cycle of despair and passivity due to these interactions.
A national survey found that one in four female veterans experienced military-related sexual assault, leading to significant symptoms of depression and problems with alcohol. The study highlights the importance of addressing these issues for veterans' mental health care.
The X and Y chromosomes are thought to have originated from a pair of identical autosomes, diverging over 300 million years through four discrete stages. This divergence led to the formation of distinct sex chromosomes, with X-Y genes serving as fossils for reconstructing their evolutionary history.
National Chemistry Week highlights the importance of polymers as natural insulators, found in products like umbrellas, sunglasses, and jackets. The week also explores fascinating chemistry facts about the weather, such as the transformation of nitrogen into a more user-friendly form by lightning.