NASA satellites captured high-resolution images of Super-Typhoon Haiyan, revealing a powerful eye and widespread thunderstorms. The storm's maximum sustained winds reached 165kts (190mph) with heavy rain potential due to extremely cold cloud top temperatures.
A new study finds that 65% of Americans agree clinicians should be involved in explaining DTC genetic test results. This concern is shared by physician groups and medical journals, highlighting the importance of doctor guidance on interpreting genetic risks.
A peptide fragment derived from cow's milk, lactoferricin B25, exhibits potent anticancer capability against human stomach cancer cell cultures. This finding provides support for the potential therapeutic agent for gastric cancer treatment.
A randomized trial found that lowering salt intake reduces excess fluid volume, blood pressure, and protein excretion in the urine of people with CKD. This could lead to a 30% reduction in risk of progressing to end-stage kidney disease.
A new study finds that high temperatures and low rainfall influence trachoma transmission in Africa, with eye-seeking flies more active at higher temperatures and abundant in areas with low rainfall. The World Health Organization aims to eliminate blinding trachoma by 2020, but understanding all factors affecting the disease is crucial.
A recent study led by Ohio State University researchers reveals that the virus that causes cervical cancer can directly damage host DNA and contribute to cancer development. The study used whole-genome sequencing to investigate the relationship between HPV and human genomes in cancers.
Researchers at Rice University discovered that the accumulation of von Willebrand factor (VWF) in heart valve tissues contributes to their progressive hardening with age. As tissues from pig valves are commonly used to make human heart-valve replacements, VWF helps regulate blood clotting in both pigs and humans.
Researchers at University of Copenhagen and University of Edinburgh identified 53 genes that regulate cell adhesion in embryonic stem cells. This new insight will enable scientists to maintain stem cells more effectively and efficiently manipulate adult cells to revert to a stem cell-like stage.
Dartmouth researcher Scott Williams found that a person can have multiple DNA mutations in different parts of their body, resulting in varying genotypes. These discoveries challenge traditional views on human uniqueness and may impact forensic analysis, paternity testing, and genetic screening.
Bariatric surgery can help obese kidney disease patients lose weight, but it comes with a higher risk of complications and mortality. The study found that 61% of patients lost weight after surgery, but experienced 16 adverse events, including two deaths related to surgical complications.
Scientists at Boston Children's Hospital discover that enhancing cell metabolism is key to tissue repair, opening new avenues for regenerative treatments. They found that reactivating the dormant Lin28a gene enhances mitochondrial metabolism, leading to enhanced wound healing and regeneration.
A Swedish study found that birth before 32 weeks is associated with increased risks of retinal detachment in childhood, adolescence and young adult life. The research indicates the need for ophthalmologic follow-up in children and adults born extremely and very prematurely.
Researchers have developed software that can learn from a patient's normal and seizure electrical activity to predict when another seizure may occur. This allows for an early warning system, potentially enabling people with epilepsy to live safer lives by avoiding hazardous situations before a seizure begins.
Researchers discovered that the Lin28a protein enhances tissue repair in adult mice, promoting hair regrowth and repairing damaged ears and digits. This finding opens up potential treatments for adults using drugs to boost wound healing and cellular metabolism.
A new study found that seven in 10 primary care patients with anxiety disorders eventually received adequate medication or psychotherapy, but this took years and was less likely for minorities. The study also showed that people with higher education levels were more likely to receive care.
A recent study published in the Journal of Nutrition Education and Behavior found that three educational sessions on nutrition had a significant impact on the knowledge and behaviors of 118 low-income women. The classes used a holistic approach and experiential learning, covering topics such as shopping, cooking techniques, and food se...
Research finds that war exposure during key periods of life strengthens affinity for one's own group, promoting nation-building or conflict cycles. The study involved participants from war-torn Georgia and Sierra Leone, who showed greater willingness to reduce inequality with partners from their village or school.
A UCSF scientist suggests that complex gene expression mechanisms in humans may have evolved to counter viral infections, rather than for overall organism development. This idea challenges conventional wisdom about the evolution of eukaryotic cells.
A new computational method, LACHESIS, has been developed to quickly assign, order and orient DNA sequencing information along entire chromosomes. This approach can validate chromosomal abnormalities in cancer research and pave the way for low-cost, high-quality genome assemblies.
A study by Georgia Tech researchers found that people in the US and South Korea prefer wearing e-textiles on their wrists and forearms, with minimal acceptance for other locations. Cultural differences play a significant role in perceptions of wearable technology, with Americans focusing on ease of use and South Koreans prioritizing mo...
Recent advances in robotics enable the creation of prosthetics that mimic natural movement, allowing users to navigate stairs and uneven ground with reduced stress. Studies have shown improved walking speed, decreased energy expenditure, and reduced fall rates compared to passive prostheses.
Researchers discovered how plant cells orient microtubule arrays to bend towards a light source through the action of protein katanin. This process enables plants to grow in response to environmental cues, shedding light on fundamental mechanisms of cell architecture and growth.
Researchers have found that manipulating cyanobacteria's clock genes can increase its production of commercially valuable biomolecules. The study discovered that locking the biological clock into a daytime setting increased the amount of biomolecules produced by up to 700 percent.
Researchers at Johns Hopkins Medicine discovered that exemestane not only inhibits estrogen production but also protects cells from UV radiation, inflammation, and oxidative damage. The drug may have applications beyond breast cancer treatment.
A study analyzing 6 popular food blogs found that vegetarian entrees were lower in calories and saturated fat, while overall recipes were acceptable in calories but excessive in sodium. Nutrition educators and dietitians can work with bloggers to promote healthier recipes online.
The research aims to identify and classify microscopic eukaryote species using new genome sequencing technology, providing a more comprehensive understanding of the vital environmental functions they play. The network will bring together researchers from different fields to study global patterns of biodiversity and ecosystem function.
A multi-center study showed that peripheral prism glasses significantly outperformed sham devices in helping patients with hemianopia avoid obstacles during everyday walking. After six months, 41% of patients continued to wear the real glasses, reporting improved navigation in various environments.
The Infectious Diseases Society of America recommends investing in new diagnostic tests that can identify the bug causing an infection faster and provide results more accurately. These tests would help protect antibiotics and ensure patients receive the best treatment for various infectious diseases.
A study of US nephrologists reveals that hospitalized patients with acute kidney injury (AKI) often do not receive sufficient follow-up care, despite being critically ill. The survey found that only one in five patients seen in clinics for AKI follow-up received reliable transition of care services after hospital discharge.
Biologists at the University of South Carolina have discovered a rare shark species, Sphyrna gilberti, which has a distinct genetic signature and is found only in the Santee and Pee Dee river systems. The discovery highlights the fragility of shark diversity and underscores the importance of studying evolutionary history.
Narrow stripes of dirt and rock beneath massive Antarctic glaciers create friction zones that slow the flow of ice toward the sea. The process is strongly affected by how water infiltrates the space between the ice sheet and the bedrock, researchers found.
Researchers have created an artificial heart that can pump human waste into future robots, powering eco-friendly systems. The device uses shape memory alloys to mimic the human heart's pumping action and is more mechanically simpler than conventional pumps.
A new study published in Psychological Science found that when we perceive someone as trustworthy, their face is perceived as more similar to our own. Researchers used morphing images and bargaining games to test this idea, finding that trust cues can extend beyond social closeness into physical characteristics.
Researchers found that disrupting the circadian clock in mice increases susceptibility to inflammatory disease by controlling the development of key immune cells called interleukin-17-producing CD4+ T helper cells. This discovery could lead to new ways to regulate the immune response and prevent autoimmune diseases.
Researchers at the University of Texas at Arlington are developing a new method to deliver genes that allow expression of light-sensitive proteins, enabling optogenetic stimulation. This technique holds promise for treating neurological disorders and understanding brain function.
The University of Houston will be part of a new Ocean Energy Safety Institute that aims to provide reliable knowledge about critical safety issues. The institute will develop programs of research, technical assistance, and education to support ultra-deep exploration and production.
A new species of Coespeletia has been discovered in the Venezuelan paramos, a high-elevation ecosystem. The species is endemic to the region and is threatened by climate change, emphasizing the need for conservation efforts.
Despite obesity, patients experience improved shoulder function and reduced pain after two years post-surgery, but overall physical function remains unchanged. The study suggests that total shoulder replacement is an effective procedure for pain relief and functional improvement in patients with shoulder arthritis.
Researchers create a new password system, GOTCHA, that incorporates inkblots to protect high-value accounts from stolen passwords. Users describe inkblots with text phrases, making it harder for computers to crack the password.
Levels of bisphenol A (BPA) in dialysis machine components have been found to be toxic to the immune cells circulating in kidney failure patients' blood. Researchers analyzed the effects of BPA on immune cells and found that alternative polymers for dialyzers' components may reduce BPA elution during dialysis.
Researchers at the Gladstone Institutes have identified a unique change in protein structure that guides the production of RNA from DNA. The study sheds light on key aspects of transcription, including polymerase pausing and acetylation, which are crucial for precise transcription and cellular processes.
Researchers at Max Planck Institute for Evolutionary Biology find gene eud-1 that determines wide-mouthed predators and narrow-mouthed bacteria eaters, providing insight into phenotypic plasticity. The discovery sheds light on how organisms adapt to changing environments and challenges current understanding of evolutionary adaptations.
A recent study from the University of Manchester found that tumor oxygen levels impact treatment response. By analyzing gene expression, researchers can predict which patients will benefit from hypoxia-reducing agents before radiotherapy.
The researchers aim to design efficient and cost-effective bimetallic catalysts for clean hydrogen fuel production. The team will develop new mathematical tools to quantify uncertainty and sensitivity in these complex systems.
Researchers found that grandiose narcissism in US presidents is linked to high ratings for public persuasiveness and crisis management, as well as impeachment resolutions. Lyndon B. Johnson scored highest on markers of grandiose narcissism, followed by Theodore Roosevelt.
Researchers will examine conversion to generic tacrolimus in transplant patients to assess its safety and efficacy. The studies aim to address concerns about the use of generic tacrolimus formulations in transplant recipients and provide objective data for clinicians.
Researchers emphasize the need for better engagement between scientists and stakeholders in addressing climate-related issues such as sea level rise, severe storms, and declining snowpack. A comprehensive approach to research is proposed to develop effective measures for establishing adaptation science.
Researchers at OHSU's Vollum Institute published two papers on neurotransmission in Nature, revealing a detailed view of the structural biology of the dopamine transporter. This breakthrough could lead to the development of better antidepressants with few or no side effects.
Researchers at Duke University designed a power-harvesting device that efficiently captures microwave signals and converts them into electrical current. The device has an energy conversion rate of 37%, comparable to solar cells.
Researchers found that in 25 US TV markets, nearly 1/4 of popular youth programs exceeded the industry's voluntary standards for alcohol ad exposure. This could lead to a one-third drop in total youth exposure if ads were eliminated. Exposure to alcohol marketing increases underage drinking and health risks.
Hospital admission during pregnancy significantly increases the risk of serious blood clots (venous thromboembolism), with a particularly high rate among women aged 35 and over. Women hospitalized for three or more days also face an increased risk.
UMMS researchers used advanced techniques to study the 3D structure of mitotic chromosomes, resolving a century-old debate. They found that chromosomes assemble into linearly organized, compressed chromatin loops during the metaphase stage of cell division.
Primary care physicians who took an online training course about skin cancer detection significantly improved their skill to properly diagnose and manage benign and malignant lesions. The enhanced skill level led to a reduction in unnecessary referrals to dermatology specialists.
A new study published in Experimental Physiology found that women exhibit greater shortness of breath when exercising compared to men. The study suggests that this disparity is caused by a stronger electrical activation of the respiratory muscles, specifically the diaphragm, needed to compensate for smaller lungs and airways.
A recent study by Vandenberg et al. found that bisphenol A (BPA) has significant effects on humans at incredibly low doses, often ten to forty times lower than previous toxicology studies. This new understanding of BPA's impact on human health and wildlife highlights the need for stricter regulations.
Researchers find Amazon deforestation could reduce rain and snowfall in the western US, resulting in water and food shortages. A study suggests a 50% reduction in Sierra Nevada snowpack could occur if the Amazon is stripped bare.
Astronomers have observed an asteroid, P/2013 P5, spouting six comet-like tails of dust, defying the typical appearance of asteroids. The unusual tail structures change dramatically in just 13 days, sparking debate over their origin and suggesting a possible rotational breakup.
Researchers at the University of Oulu, Finland, and the Helmholtz Center Berlin have shed light on the structure of thiolase, an enzyme crucial for lipid metabolism in parasites. By blocking the active site, lipid-like substances can be developed to inhibit parasitic metabolism.
Researchers at Johns Hopkins Medicine found that the mammalian target of rapamycin (mTOR) pathway is active in many difficult-to-treat pediatric brain tumors, offering a potential new target for treatment. Blocking this pathway with an experimental drug reduced tumor growth by up to 73% in laboratory studies.
A new study found that consuming more vegetable protein is associated with a 14% lower risk of death in kidney disease patients. The study, which analyzed data from 1,104 CKD patients, suggests that increasing vegetable protein intake may help prolong survival among those with chronic kidney disease.