Researchers developed a comparative genomics strategy to rapidly describe outbreak strains using next-generation DNA sequencing technology. This approach enables the identification of unique genetic properties of a potential outbreak strain in a matter of weeks, potentially saving time during emergency responses.
A recent study suggests that depression care management can improve survival rates in older cancer patients. The research found that comorbid depression shortens survival time with cancer, but intervention with medication and psychotherapy can extend life among cancer patients.
Researchers investigate the mechanisms of historic tsunamis, finding that an underwater landslide triggered the 1908 Messina tsunami. Additionally, a study reveals that particle formation in the lower atmosphere fuels clouds by providing condensation nuclei.
A 2007 case of saliva manipulation in a paternity test led to significant changes in forensic protocols for similar cases. The manipulation attempt was discovered after repeated analysis revealed DNA from two different persons in the suspect's mouth, highlighting the need for special measures to prevent expert error and crime.
A University of Virginia study finds that air pollution destroys flower scents by up to 90 percent, impairing pollinators' ability to locate flowers. This decline in fragility contributes to the declining populations of bees and butterflies, which are essential for food production.
The Lancet Editor Dr Richard Horton calls for increased action on maternal and child mortality rates, citing strikingly inadequate progress towards the MDGs. He urges politicians, policy makers, donors, research funders, and civil society to take radical change to prevent unnecessary deaths.
During WWII, physiologists developed altitude chambers to study high-altitude effects on humans. They trained animals to parachute and discovered techniques to prevent decompression sickness and hypoxia. These innovations paved the way for pressurized aircraft and safer air travel.
The National Hurricane Center will implement a new technique, VORTRAC, to continually monitor landfalling storms in the United States. VORTRAC uses existing coastal Doppler radars to provide details on hurricane winds and central pressure every six minutes.
Researchers have discovered how HDAC inhibitors specifically damage cancer cells, leading to cell death. The compounds may also cause DNA damage that cannot be repaired, resulting in tumor cell death. However, these inhibitors can also have adverse effects, such as liver damage and metabolic abnormalities.
Researchers are developing cell-scaffold combinations to provide a framework for neural stem cells to regenerate lost brain tissue after stroke. The approach aims to support the growth of new tissue and promote functional repair, paving the way for potential clinical applications in stroke and neurodegenerative diseases.
Charcoal-derived biochar improves soil fertility, increases crop biomass and enhances natural carbon sequestration abilities. This revolutionary farming technique holds promise as a carbon-negative strategy to combat hunger and global warming.
A recent study published in PLOS Pathogens found that T cell proliferation is delayed by up to three days after infection, which may provide an evolutionary safeguard against autoimmune responses. This delay allows the immune system's front-line innate response to quickly control the infection before memory cell division takes place in...
Cornell researchers have identified 63 proteins in male mosquitoes' seminal fluid that can suppress female appetite for mammalian blood and stimulate egg production. The study's findings could lead to novel strategies to prevent dengue virus spread, a disease affecting 50 million people annually.
Researchers have found that increasing SULF2 expression enhances cancer cell growth and migration, while decreasing it reduces both. The study suggests that blocking SULF2 may lead to an effective treatment for liver cancer and potentially other types of cancer.
Tanzania has made significant progress in reducing child mortality, with a 24% decline between 2000 and 2004. Key interventions such as increased funding for healthcare, decentralization of financing, and coverage of essential child-survival services have contributed to this success.
A team of international collaborators, led by Academy entomologist Brian Fisher, creates a conservation map for Madagascar by analyzing distribution data from 2,315 species. The proposed locations for new protected areas preserve the maximum number of species, providing a valuable model for biodiversity hotspots worldwide.
Researchers have found that a key gene called Apc plays a crucial role in controlling adult stem cells and preventing tumours. The study suggests that when this gene is lost or damaged, the normal function of adult stem cells breaks down, leading to cancer. This research has important implications for using adult stem cells for therapy.
Researchers at the University of Pennsylvania School of Medicine have discovered that Notch signaling is not universally essential for maintaining stem cells in bone marrow. This finding opens up new possibilities for developing effective leukemia therapies without harming normal bone marrow.
A new conservation plan has been developed to protect thousands of rare species in Madagascar, using advanced analysis to identify the most critical areas. The researchers' method could be applied to other high-priority regions for conservation, providing a new approach to saving endangered species.
Researchers at MIT are exploring a new method to measure hurricane strength using underwater microphones, which could lead to cheaper early-warning systems. The approach was validated by measurements from Hurricane Gert in 1999, providing accurate results comparable to aircraft-based methods.
Donor funding to maternal, newborn, and child health has increased by near-doubling in 68 priority countries, with significant rises in child and maternal health support. However, funding fell in some countries, highlighting the need for stabilizing flows to enable governments to make long-term commitments.
Priority Countdown countries face policy gaps and conflicts hindering progress towards reducing maternal, newborn, and child mortality. The authors identified key challenges including financing, governance, and product availability that must be addressed to scale up effective interventions.
The study found that endothelin, a protein regulating blood pressure, directs nerve cell growth along specific blood vessel branches. In mice, nerve cells grown near endothelin-soaked beads or in the absence of endothelin failed to grow towards those areas.
Two studies published in Blood journal provide insights into the regulation of red blood cell production, linking it to the Hls5 gene and thyroid hormone. This knowledge may lead to new treatments for anaemias that don't respond to current hormone therapy.
A new analysis maps the best remaining habitats for thousands of rare species in Madagascar, a biodiversity hotspot with over 2,300 endemic species. The study prioritizes regions most vital for saving the greatest number of species, including lemurs and other unique species.
Key findings include significant variability in coverage gaps across countries, with poorest quintiles facing substantial gaps, and only a few countries showing declines greater than 2% per year. The authors emphasize the need for accelerated progress to achieve coverage levels needed for MDG4 and MDG5.
Researchers at Shenyang National Laboratory for Materials Science developed a new material using carbon nanotubes to prevent lithium batteries from losing charge capacity over time. The new material achieved a discharge capacity of 727 milliamp hours per gram after twenty cycles, outperforming traditional sugar-coated silicon particles.
Researchers at the American Museum of Natural History contributed to a study analyzing over 2,300 species in Madagascar to develop a more efficient conservation plan for the country's unique biodiversity. A new phylogenetic tree of multicellular animals has also been redrawn by comparing genetic data from diverse animal phyla.
Researchers at the University of Pennsylvania School of Medicine have discovered that leiomodin (Lmod) promotes the assembly of actin in heart muscle cells, directing it to form the pumping unit of the heart. The findings suggest Lmod could be relevant to cardiac muscle disease and require further study.
Experimental work on utilizing donor organs from cardiac arrested donors shows promise in addressing the critical organ shortage for lung and possibly heart transplantation. Strategies for organ preservation during transport, such as Ex-Vivo Lung Perfusion (EVLP) and Organ Care System (OCS), are also being discussed.
Researchers at Rutgers University have discovered that infant brains distinguish differences in sounds as early as three to six months, predicting future language problems. The study's findings may lead to correcting language difficulties before children start speaking, improving their chances of avoiding reading and comprehension issues.
Researchers have uncovered a complex signaling system that instructs adult stem cells to contribute to tissue repair in response to chemical signals. The study, funded by the Medical Research Council, holds promise for developing techniques to control adult stem cells for therapeutic use.
A report by The Lancet reveals that only 16 of the 68 priority countries are on track to meet the MDG4 and MDG5 targets, with many more experiencing no progress or reversals. Investments in immunization have led to rapid increases in coverage for routine services.
Men with serious injuries and strong traditional masculine ideas are more likely to abuse alcohol, making it harder for them to heal and cope with their emotions. Researchers found that these individuals may struggle with a 'go it alone' mentality and suppress bad feelings by turning to alcohol.
Researchers at the University of Washington have created a dramatic improvement in dye-sensitized solar cells by using a popcorn-ball design, which manipulates light to convert solar energy into electricity more efficiently. The new approach doubles the efficiency of converting solar energy to electricity, outperforming previous records.
The Wellcome Trust has announced a £20 million investment in research and training in Africa. Four major programmes will be established, focusing on strengthening social sciences research, clinical trials, and institutional infrastructure. This funding aims to support local researchers in tackling pressing problems in their region.
A recent study by researchers found that household photoelectric alarms are more likely to remain functional after installation, with only 5% not working nine months later. In contrast, ionization alarms had a 20% failure rate during the same period, often due to nuisance alarms caused by cooking.
Researchers found that affluent college students attempt to trade sexual currency for provisions, such as tickets or study assistance. The study suggests that these behaviors are hard-wired and persist regardless of wealth or security.
High-temperature superconductors do not rely on a 'glue' to bind electrons, according to Princeton University researchers. The secret to their behavior lies in the natural repulsion between electrons, which signals their ability to form pairs and flow without resistance when cooled to low temperatures.
New study finds blood-forming stem cells can survive without Notch signals, allaying fears of damage during chemotherapy. The findings have implications for a high-profile breast-cancer drug trial combining chemotherapy with a Notch inhibitor.
Francis S. Collins, a renowned geneticist and former Human Genome Project leader, has been awarded the inaugural Inamori Ethics Prize at Case Western Reserve University. The prize recognizes his outstanding contributions to promoting ethical leadership in genetics and improving human health.
Researchers discovered a novel gut-brain-liver circuit that lowers blood sugar when activated, providing a potential new approach to treat diabetes. The discovery suggests stimulating the gut's sensing mechanism may slow down sugar production and lower blood sugar levels.
Researchers found a shared genetic expression pattern between embryonic stem cells and human cancer cells, which may have significant implications for cancer therapeutics. A gene module map was created to relate transcriptional programs in different cell types.
A commentary in Biological Psychiatry highlights attacks on medical researchers conducting non-human primate research, emphasizing their vital role in psychiatric disorder treatment. The authors condemn these acts and advocate for public action to protect scientists.
Regular aerobic exercise can slow or reverse the decline of maximal aerobic power, delaying biological aging and maintaining functional independence. By conserving maximal oxygen intake, individuals may retain their physical abilities longer, reducing the risk of serious disease and improving overall health.
The symposium examined the incidence of inflicted traumatic brain injury in young children and explored issues of definitions, surveillance methods, and prevention strategies. Key findings indicate that SBS is a form of intentional injury with a high mortality rate and long-term disability for survivors.
A new genetic test has identified mutations in 10 genes as a possible cause of cardiac hypertrophy in children. The test found that nearly 50% of children without family histories had mutations in these genes, shedding light on the underlying causes of the condition.
A Management Insights study finds that physicians consider patients' inputs when making prescriptions, improving forecasting performance. However, patient influence diminishes for specialist doctors and those treating severe symptoms. The study has significant implications for pharmaceutical executives and marketing strategies.
Researchers develop biodegradable microspheres to deliver molecules directly into embryonic stem cells, enhancing efficient and pure differentiation. The method, funded by the National Science Foundation, showed improved results in controlling signaling events and promoting specific cell types.
A team of scientists at the Joslin Diabetes Center has identified a key regulator of hematopoietic stem cell migration and proliferation, which could lead to improved bone marrow and blood cell transplants. The discovery also holds promise for treating type 1 diabetes and enhancing recovery from infections after transplantation.
A new study by Scientific Food Solutions demonstrates that Comfort C provides 275 percent faster absorption in the first 60 minutes compared to other brands. This results in higher body weight-adjusted vitamin C concentration changes from baseline at 60 minutes.
The National Institutes of Health has awarded contracts to develop new mechanical circulatory support devices for children with congenital heart defects. These devices are designed to decrease wait list mortality and improve efficiency of organ utilization in pediatric patients.
Researchers from Pitt and the University of Chicago discovered a previously unknown role of two enzymes in regulating heart muscle contractions. By controlling these enzymes, they found that heart muscle fibers become more sensitive to calcium, strengthening contraction without increasing energy consumption.
Researchers link atherosclerosis to widespread organ damage and discover potential targets for treatment. The study found that biochemical signals in arteries can contribute to harm in the lungs, liver, and other organs.
A long-term study published in Neurology found that men who develop diabetes in mid-life are nearly one-and-a-half times more likely to develop Alzheimer's disease than those without insulin problems. The association was strongest in people without the APOE4 gene, which is known to increase Alzheimer's risk.
A new study by researchers at Hasbro Children's Hospital found that children with sleep-disordered breathing (SDB) who are overweight, have short sleep periods, or another sleep disorder like insomnia are more likely to have behavioral problems. The study revealed that SDB severity had a relatively weaker influence on behavioral outcomes.
A study of 418 English test cricketers found that players who appeared in more test matches lived longer than those with fewer appearances. Captaining the team had no impact on lifespan, contrary to expectations.
A new study led by Emory University researcher Charles L. Raison found that Tibetan refugees, especially those born in Tibet, experience high levels of depression and anxiety. The study also showed that time spent in India can improve symptoms, but the emotional trauma remains a concern.
A new study suggests that minimally invasive carotid stenting is as effective as open surgery in preventing strokes among high-risk patients. After three years, patients who underwent stenting had similar rates of stroke, heart attack, or death compared to those who received traditional open surgery.
Researchers at the University of Pennsylvania School of Medicine have found that juvenile cells on their way to becoming mature immune cells can develop into either T cells or other blood-cell types. This challenges the currently accepted model of T-cell development, which suggests that these cells are committed to the T-cell path from...