The mountain gorilla population in the Virunga Volcanoes has more than doubled over the past three decades due to concerted conservation efforts. A recent census found a minimum of 604 gorillas, representing a 26% increase from the previous estimate in 2010.
The American Cancer Society recommends earlier colorectal cancer screening for average-risk adults beginning at age 45, based on research showing an increased incidence of CRC in younger adults. Colorectal cancer incidence has declined steadily over the past two decades in people 55 and older due to screening.
A recent study published in PLOS Neglected Tropical Diseases found that nearly a third of febrile patients in Northwest Ethiopia tested positive for dengue virus. The study identified key risk factors, including residence, occupation, and lack of mosquito net use, which can contribute to DENV infection.
A San Francisco State University study reveals that many ethnic minorities are not utilizing US national forests and grasslands, despite living nearby. The research highlights the need for improved outreach and understanding of minority groups' needs to promote sustainable use of these public lands.
Research suggests that Indigenous peoples in Central and South America retain DNA from the northern branch, which originated from eastern Canada. The study reveals a 'reconvergence' of two ancestral branches around 13,000 years ago.
Subtropical Storm Alberto brought heavy rain to the southeastern US, with IMERG estimates showing up to 8 inches of rain over central Alabama. The storm's passage also led to flash flood watches for several states, causing 6 deaths in total.
A new index identifies individuals at risk for lupus by analyzing IgG, IgM antibodies and C1q levels in blood serum. The findings could help follow at-risk individuals and diagnose early lupus cases.
The study reveals the discovery of three new distinct epithelial cell populations, including L1- and L2-type luminal cells, which can aid in understanding the origins of breast cancer. The researchers used single-cell mRNA sequencing to create a high-resolution molecular census of human breast epithelial cells.
Researchers have developed a new method to predict molecular conductivity by calculating interactions between pairs of electrons, resulting in improved accuracy and reduced computational costs. The approach has been shown to outperform traditional models by one-to-two orders of magnitude.
Researchers at Carnegie Mellon University have developed an optimization algorithm that combines expert judgment with automation in 3D printing, enabling high-fidelity prints of soft materials. The Expert-Guided Optimization (EGO) method significantly reduces the time and energy required to find optimal print combinations.
Psychologists at Rice University argue that organizations must provide training, support, and opportunities for growth to eliminate the wage gap. The researchers highlight myths regarding the gap and offer suggestions for its elimination, including removing barriers, providing equal growth opportunities, and promoting diversity.
A study conducted by Harvard T.H. Chan School of Public Health found that the mortality rate in Puerto Rico rose by 62% after Hurricane Maria, with an estimated death rate of 14.3 deaths per thousand people between September and December 2017.
A set of three new genes involved in nerve cell generation may have contributed to the rapid evolution of the large human brain. These genes, which emerged around 3.5 million years ago, offer clues about what separates humans from chimpanzees.
A new study found that climate change is amplifying the relationship between lightning-ignited fires and rising temperatures across the Southern Hemisphere. The strongest impact on fire activity was attributed to the Southern Annular Mode, which is expected to continue due to increasing greenhouse gas levels.
Researchers discovered that cytomegalovirus can infect the iris of mouse eyes, causing chronic inflammation and long-lasting eye problems. The virus remains dormant for months after infection, prompting a reevaluation of its effects on healthy individuals and potentially misdiagnosed conditions.
Researchers developed a new approach to treat Acute Myeloid Leukemia (AML) with CAR T cells by removing CD33 from healthy blood-forming stem cells using CRISPR/Cas9. This makes the cancer-specific antigen unique to leukemia cells, allowing CAR T cells to attack without harming normal bone marrow.
Researchers discovered Acinetobacter baumannii attaches to plastic medical devices using its 'fingers' to form biofilms. Developing antibodies that prevent bacterial attachment could help reduce pathogen spread in hospitals.
A study has found that circadian rhythms influence atherosclerosis, a condition leading to heart attacks and strokes. The researchers identified the molecular mechanism controlling rhythmic arterial leukocyte migration and developed a targeted therapy to stop its recruitment in atherosclerotic areas.
Scientists have developed a neural network that can recognize features in x-ray absorption spectra sensitive to atomic arrangement at fine scales. This method helps reveal details of atomic-scale rearrangements during iron's phase transition, and could be applied to study nanoparticles, catalytic materials, and other materials.
Researchers discovered a small molecule that destroys HIV protein Tat, which is responsible for revving up the virus. The molecule reveals proteins in host cells that can potentially target Tat and halt its replication process. This finding offers new insights into the biology of HIV and potential targets for therapy.
Researchers designed an aerial robot that can alter its profile during flight to reduce its wingspan and navigate through narrow passages. The Quad-Morphing robot has two rotating arms equipped with propellers, allowing it to fly like a helicopter and adopt different arm orientations to traverse tight spaces.
New research reveals that the brain can anticipate and adapt to painful movements following an injury, modifying muscle usage accordingly. This adaptation strategy may lead to quicker completion of painful movements but longer reaction times.
Scientists Ewine van Dishoeck, Emmanuelle Charpentier, Jennifer A. Doudna, Virginijus Šikšnys, A. James Hudspeth, Robert Fettiplace, and Christine Petit receive the Kavli Prizes for their pioneering work on star formation, DNA editing, and hearing mechanisms. The breakthroughs have transformed our understanding of existence, advancing ...
A study found that only 20 percent of young people diagnosed with anxiety will stay well over the long term, regardless of treatment. Regular mental health checkups may be a more effective way to treat anxiety than current models.
Researchers have identified a protein 'off-switch' in the brain that regulates memory and learning. The Arc protein needs to be rapidly switched off after new information is received to remember and retain it.
Researchers at Rockefeller University discovered that glial cells play a crucial role in regulating sleep and movement in worms, offering new insights into the neuroscience of sleep. The study found that glial cells help counteract the inhibitory effect of a specific neuron on movement.
Researchers at Oregon State University have developed a tool that can accurately predict the flow rate of Arctic rivers based on bacterial abundance and composition. By analyzing microbial profiles, scientists can estimate discharge levels without deploying traditional flow meters in remote areas.
Research reveals estrogen receptor alpha influences T cell activation, proliferation and survival in autoimmune diseases, including MS, RA, and SLE. Regulatory T cells play a crucial role in preventing autoimmune diseases, and the study identifies potential targets for novel treatments.
Penn State engineers have developed a new lithium-ion battery that can charge electric vehicle batteries up to 10 times faster than current technology, regardless of temperature. The breakthrough could be a major selling point for customers and accelerate the adoption of electric vehicles.
The brain processes pattern learning in a distinct way compared to probabilistic learning, with different parts of the brain being activated. Participants showed increased activity in the hippocampus and ventromedial prefrontal cortex when figuring out patterns, indicating a sense of reward and improved learning speed.
The article highlights conflicting guidance on opioid prescribing, potentially jeopardizing pain management for patients with cancer. Key areas of concern include CDC guideline recommendations that don't align with NCCN guidelines, and the lack of evidence for non-pharmacologic treatments to manage moderate to severe pain.
Engineers at the University of California San Diego have developed cell-like nanorobots that can swim through blood to remove harmful bacteria and toxins. These nanorobots combine platelet and red blood cell membranes, allowing them to target pathogens and neutralize toxins, making them a potential tool for detoxifying biological fluids.
A meta-analysis of global food production cycles and their environmental impacts has identified data-supported opportunities to reduce the environmental impact of food production. The study found that some products have disproportionately high environmental impacts, while others may require trade-offs in certain mitigation strategies.
The article explores the potential applications of ecological restoration to medicine, highlighting the importance of gut microbiota diversity for overall health. By integrating ecology and medicine, researchers can develop more effective treatments for chronic diseases such as obesity and autoimmune disorders.
A study published in Scientific Reports found microfossils of fish and plant remains in a Mesolithic skeleton, providing evidence of a varied diet that included both aquatic and terrestrial food sources. The discovery sheds light on the lifestyle of early people in the Mediterranean region during this period.
Researchers found that APOE4 promotes beta amyloid protein accumulation, leading to Alzheimer's pathology. They also discovered that editing the gene can eliminate signs of Alzheimer's in brain cells.
Researchers found that older males are more successful at siring illegitimate children, suggesting a biological effect rather than behavioral choice. The study suggests post-copulation mechanisms may be driving this phenomenon, with females potentially storing sperm internally and 'deciding' which to use for fertilization.
A study published in Foodborne Pathogens and Disease suggests that farm animals may play a role in helping to combat drug-resistant infections. Researchers analyzed the transfer of resistant E. coli between farm animals and humans, highlighting the need for more robust data and state-of-the-art genome analysis.
Researchers created artificial mechanosensory nerves using flexible organic devices to emulate biological sensory afferent nerves, controlling a disabled insect leg and distinguishing Braille characters. The device combines mechanoreceptors, neurons, and synapses to process pressure information and actuate muscles.
A new study from Karolinska Institutet suggests that individuals with inefficient fat metabolism are more likely to develop overweight and type 2 diabetes. The research found that women who were able to efficiently break down fat in their cells had a lower risk of weight gain and impaired glucose metabolism.
A USC study reveals that the brain's cerebrospinal fluid channels a hunger molecule, melanin-concentrating hormone (MCH), which stimulates appetite. The researchers found that MCH release is influenced by circadian clock and daily mealtime routine.
Researchers found dominant strains of equine-like G3 rotavirus infecting children in Indonesia, genetically different from human strains, shedding light on virus travel and evolution.
A study found that handgrip strength is linked to lung capacity in older Korean women. Testing handgrip strength could be a good way to identify potential impaired lung health.
The MIECHV program has established six benchmarks for organizations to demonstrate improvement, but research suggests only three constructs - preterm birth, breastfeeding, and well-child visits - are supported by evidence-based research. The review identifies 16 other non-mandated constructs that have evidence of home visiting improvin...
A study from McGill University found that combining probiotics with an herbal supplement called Triphala increases fruit fly lifespan by 60%. The researchers observed reduced traits of aging, including insulin resistance, inflammation, and oxidative stress. The findings suggest a potential link between gut bacteria and human longevity.
Ancient DNA analysis of Icelandic populations reveals a strong connection to Scandinavian and British-Irish Isles, whereas modern Icelanders show less similarity. A second study explores the genetics of first Americans, suggesting a deep split in North and South American populations occurred south of the Laurentide ice sheet.
Scientists have successfully programmed cells to self-organize into multi-layered structures reminiscent of simple organisms or embryonic development. These complex cellular assemblies can repair themselves and form complex tissue-like structures, opening doors for wound repair and organ regeneration.
A study published in Annals of Clinical and Translational Neurology found that people taking immunosuppressant drugs are less likely to develop Parkinson's disease. Corticosteroids such as prednisone reduced the risk by 20%, while IMDH inhibitors were about one-third less effective.
A study from the Johns Hopkins Bloomberg School of Public Health found that states adopting handgun licensing laws are associated with a 14% reduction in firearm homicides in large, urban counties. In contrast, states with comprehensive background check-only laws see a 16% increase in firearm homicides.
Steelhead trout genetically adapted to Lake Michigan's freshwater habitat over 120 years, with changes affecting osmoregulation and wound-healing. Genetic diversity was lower in the new environment than in their native range.
A study found that gut-inhabiting Enterobacter cloacae increases subcutaneous fat mass and causes liver damage in mice. Researchers observed hypertrophic obesity and insulin resistance in affected mice.
A study found that most surgical residents have high risk debt-to-asset and debt-to-income ratios, and many feel the need for personal financial education. The researchers suggest providing financial training through accessible platforms like podcasts or web-based tools to help residents manage their debt.
Researchers at Kiel University developed a novel computer simulation technique to predict electron behavior under extreme conditions, providing the first exact data on thermodynamic properties. The results allow for benchmarking and improving previous models, paving the way for advancements in materials science and quantum physics.
Researchers found that human-specific NOTCH2NL genes regulate cortical neurogenesis and contribute to the growth of the cerebral cortex. This discovery sheds new light on human cognitive evolution and may lead to breakthroughs in treating brain developmental disorders.
A new study surveyed the carbon footprints of 13,000 cities worldwide, finding that the top 100 highest-footprint cities contribute to approximately 20% of global emissions. By targeting these concentrated emission hotspots, local mayors and governments can significantly reduce national total carbon footprints.
A study by deCODE Genetics reveals that most Icelanders have unmixed Norse or Gaelic ancestry, with a shift towards Norse dominance over time. The research also shows genetic divergence from ancestral populations in Scandinavia and the British-Irish Isles.
Dr. Alfonso Iorio has been appointed the inaugural holder of the Bayer Chair for Clinical Epidemiology Research and Bleeding Disorders at McMaster University. He will focus primarily on inherited blood disorders such as hemophilia A, hemophilia B, and von Willebrand disease to optimize treatment strategies.
Researchers at the University of Pennsylvania have developed a new solid polymer electrolyte with twice the proton conductivity of current state-of-the-art material. This breakthrough could enable faster recharge times and improved safety in energy storage devices.
Researchers discovered three human-specific genes influencing brain size, involved in genetic defects associated with neurological disorders. The genes, part of the Notch family, regulate neural stem cell development and delayed maturation, leading to larger brain sizes in humans.
Plants use genetic memory systems to integrate seasonal signals and optimise key lifecycle stages, including flowering, seed dispersal, and dormancy. This study identifies the precise mechanism by which temperature information is passed from mother to seeds, enabling reproductive bet-hedging and diversity in offspring.