The study found that communicable diseases are responsible for over 50% of child deaths, with pneumonia and diarrhea being major causes. Undernutrition is also a significant factor, accounting for 53% of all deaths in children under 5 years old.
A Stanford study reveals that a single genetic mutation, Eda, is responsible for the evolutionary adaptation of freshwater fish losing their body armor, allowing them to thrive in lighter environments. This discovery provides insights into how animals adapt to new conditions and challenges previous assumptions about evolution.
Researchers found that a gene controlling cholesterol production also senses oxygen levels, similar to human cells. This discovery offers a new strategy for killing infectious yeast while exploring potential connections between cholesterol and oxygen sensing in humans.
A new study estimates the economic costs of firefighter injuries to be between $2.8 and $7.8 billion, highlighting the need for improved safety measures and prevention programs. The report recommends investing in technologies such as robots for reconnaissance and early detection systems to reduce injury costs.
Dr. Mary Schweitzer isolated intact soft tissue from a 68-million-year-old Tyrannosaurus rex femur, showing blood vessels and cell-like structures. The discovery, published in Science, suggests that dinosaur fossils may retain some of their original flexibility and resilience.
A Rutgers scientist will use a new grant to investigate schizophrenia genes, with the goal of finding better treatments and reduced morbidity. The researcher aims to analyze genetic data using a new statistical analysis method and investigate a recently described class of genes involved in the central nervous system.
Researchers have identified key genetic pathways essential to RNA interference, a process that can silence specific genes. The findings suggest potential therapeutic applications for diseases such as cancer and age-related macular degeneration.
A breakthrough discovery identifies molecules that trigger secondary cerebral vasospasm after hemorrhagic stroke, leading to potential new treatments and diagnostic tests. Elevated levels of bilirubin and a specific group of oxidation products called BOXes are found to be correlated with the condition.
The Department of Energy (DOE) has awarded $12 million to the Center for Advanced Separation Technologies (CAST) at Virginia Tech to develop advanced separation technologies for efficient coal cleaning. The project aims to reduce sulfur dioxide and nitrogen oxide emissions, and mercury content, while increasing domestic energy production.
A three-year study funded by £253,823 is set to investigate the role of hormones in post-natal illnesses. Research suggests that changes in brain chemistry following childbirth may contribute to psychiatric disorders in some women, with up to 10% experiencing anxiety and unhappiness.
Researchers found that elephants imitate sounds they hear, similar to other species with complex social systems. This ability enables open communication and shared associations among individuals, suggesting that elephants may use vocal learning to maintain individual-specific relationships.
Researchers found evidence of the first elephant shrews' presence in North America, suggesting a greater animal migration than previously thought. This discovery has significant implications for our understanding of mammalian evolution and the history of continental breakups.
Pneumonia, diarrhea, and undernutrition are major contributors to child deaths worldwide. The new estimates also show that nearly half of all child deaths occur within the first 28 days of life, primarily due to preterm delivery, sepsis, or pneumonia.
Scientists have made a significant breakthrough in understanding pemphigus, a deadly skin blistering disease. Researchers engineered antibodies that reproduce the disease in vitro and in mice, offering a new opportunity for targeted therapy development.
Smart Border policies in the US are criticized for their limited innovation, economic ramifications, and disruption to local communities. The study highlights the flaws in counterterrorism technologies and the need for a more comprehensive approach to border control.
Researchers at JILA used noise patterns in images of ultracold potassium clouds to visualize entangled atom pairs, shedding light on a key phenomenon in quantum physics. The discovery could have implications for the development of quantum computers and highly sensitive measurement techniques.
A state-of-the-science panel urges caution in treating menopausal symptoms with hormones due to risks and limited evidence. Non-hormonal treatment approaches are recommended for further research.
The introduction of foxes to Aleutian Islands led to the transformation of vegetation from lush grasslands to tundra, with a significant impact on seabird populations. Soil phosphorus levels increased by three times in fox-free islands compared to fox-infested islands, reflecting the loss of marine-derived nutrients.
A recent study published in The Lancet found that a new vaccine against childhood pneumonia reduced the first episode of pneumonia diagnosed by chest x-ray by 37% and overall child mortality by 16%. The vaccine also lowered disease caused by pneumococcus bacteria types by 77%, providing promising results for global health.
Researchers used point-contact spectroscopy to explore Andreev reflection between a normal metal and a heavy-fermion superconductor. The findings show that conventional theories cannot account for the data, indicating the need for new theoretical frameworks.
A study published in the Journal of Clinical Investigation reveals that HDL (high-density lipoprotein) activates an enzyme called eNOS, leading to a cellular signal that depends on cholesterol efflux. The activation of eNOS is mediated by two intact domains of SR-BI, which act as 'cholesterol sensors' triggering cellular events.
Researchers found that a deficiency in growth hormone and IGF-1 reduced cancer and kidney disease risk, but impaired cognitive function and accelerated cartilage degeneration. Lifelong treatment with growth hormone actually increased lifespan by up to 14.6%.
A new Standard Reference Material, SRM 2394, has been developed by NIST researchers to aid in the detection of low-frequency mutations in heteroplasmic DNA. The material provides a set of mixtures at 10 certified concentrations of two DNA fragments differing at one position.
Bacteria such as Klebsiella pneumoniae and Staphylococcus aureus are major causes of neonatal infections and deaths in hospital settings. Infections can be spread through unhygienic conditions, contaminated hands of healthcare providers, and antimicrobial resistance.
A new study suggests that child care attendance can lead to higher rates of pneumococcal carriage in both children and non-children. The research model predicts that communities with more children in child care have higher carriage rates among all age groups. Vaccination, good hygiene, and regular toy cleaning are key preventive steps.
Researchers at UC Berkeley have observed octopuses walking on two arms, using the outer halves as 'tank treads' for locomotion. This bipedal behavior may be a strategy for backing away from predators while maintaining camouflage.
The US FDA proposed a document describing good clinical practices that is weaker than the Declaration of Helsinki regarding patient protections. This move has sparked concerns over US exceptionalism in research ethics, following its withdrawal from several international treaties affecting public health.
A total of eight new VHE gamma-ray sources have been found in the Milky Way's disc, doubling known sources at these energies. The discovery includes two 'dark accelerators' without obvious counterparts in other wavelength bands, sparking excitement among astronomers.
Researchers developed a new approach to improve cancer treatment by combining DNA-damaging agents with RAD001, a sensitizing agent that targets the p53 protein. This combination could dramatically enhance treatment for solid tumors containing the p53 protein, addressing a long-standing challenge in chemotherapy.
A recent study suggests that CT lung cancer screening may not be as beneficial as previously thought, as many early-stage cancers detected through CT are slow-growing and unlikely to have been fatal. The study found that unnecessary surgical procedures and expenses were also significant drawbacks.
Scientists have identified two populations of immune cells in the liver that can cause scarring and break it down. This discovery may lead to future treatments for liver damage and cirrhosis, a condition that affects more women in the UK than cervical cancer.
Researchers argue that a narrow focus on just a few songbird species provides a fragmentary picture of brain function. They propose studying the diversity in how birds learn to sing across different species and age groups.
Researchers identified a common genetic mutation, JAK2, in patients with polycythemia vera, essential thrombocythemia, and myeloid metaplasia with myelofibrosis. The study used high-throughput DNA sequencing analysis to compare blood and mouth-swab samples from 164 PV patients, 115 ET patients, and 46 MMM patients.
Researchers found that gut bacterium B. theta adapts its genome in response to changing nutrient conditions, allowing it to maintain stability of the gut's complex microbial society. The study reveals that this adaptability is crucial for maintaining intestinal health and preventing diseases such as obesity and diabetes.
Researchers find high-temperature superconductors break Pauli principle due to linked high- and low-energy scales. Strong electron interactions cause mixing of energy levels, affecting renormalization and spectral features.
A study found that individual transferable quotas decreased discard rates for most species, contrary to economic models. In British Columbia waters, the system reduced marketable fish discards to negligible amounts due to 100% observer coverage. The US West Coast fishery, however, experienced higher discard rates despite trip limits.
A three-year study aims to better understand the hormonal influences on post-natal psychiatric disorders in women. Researchers suspect that hormone signals within the brain play a key role in behavioral change following childbirth.
A new study by Ohio State University researchers may lead to a test that prevents unnecessary thyroid gland removal in people with follicular adenoma. The study identified three genes, cyclin D2, PCSK2, and PLAB, which show distinct activity levels between noncancerous and cancerous thyroid conditions.
The study found that one gene, Eda, controls the armor-plating trait in stickleback fish, which evolved rapidly after ocean fish colonized new environments. This suggests that evolution can occur quickly with just a few genes changing slightly, allowing newcomers to adapt and populate new habitats.
Researchers found that a diet rich in docosahexenoic acid (DHA) significantly slowed Alzheimer's disease progression in mice by reducing harmful brain plaques. This study suggests that boosting DHA intake may delay or prevent the disease, even for those genetically predisposed.
Scientists have discovered that deep-sea tremors can be used to predict large earthquakes with high accuracy. By analyzing data from sensors deployed on the ocean floor, researchers were able to set up an early warning system that successfully predicted six major earthquakes in a 15-kilometer radius.