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.
Researchers discovered that fish use a counterintuitive fin arrangement to increase both stability and maneuverability. By analyzing slow-motion videos and mathematical models, the team found that the opposing forces generated by the fin movements create stabilizing forces while improving velocity change.
A Northwestern Medicine study using stem cells has shown promise in improving organ transplant outcomes by enabling patients to stop taking anti-rejection medicines. The research, which began in 2009, uses specially engineered stem cells to make the recipient's immune system recognize the new kidney as its own.
Astronomers using the Hubble Space Telescope have observed a unique asteroid with six comet-like tails, challenging current understanding of asteroids and comets. The asteroid's rotation rate may have caused its surface to fly apart, ejecting dust into space.
A recent study by Johannes Gutenberg University Mainz found that the Hartz IV reform had no significant impact on reducing unemployment in Germany. However, earlier reforms such as Hartz I to Hartz III were more effective in lowering unemployment rates.
Researchers at the University of Iowa have created a bio patch that can regrow bone by delivering DNA instructions to cells. The patch successfully regenerated bone in test animals and stimulated new growth in human bone marrow stromal cells. This breakthrough technology has potential uses in dentistry, including rebuilding bone for de...
Research reveals that family naming trends in the US follow regional patterns, with people in states emphasizing honor more likely to use patronyms. Matronymns are rare and do not predict any statewide variables. The study highlights gender differences in naming traditions.
Astronomers have discovered an unusual asteroid with six comet-like tails, which change dramatically over just 13 days. The object's rotation rate may be causing its surface to fly apart, ejecting dust in episodic eruptions.
Experts warn that a Syria polio outbreak could spread to Europe if vaccination coverage is low, particularly in Bosnia, Ukraine, and Austria. High hygiene standards and large refugee populations are key to preventing transmission.
A recent clinical trial found that calcium and vitamin D supplementation improves bone density in patients with epilepsy who take chronic antiepileptic drugs. The results suggest that risedronate may help prevent new vertebral fractures when combined with these supplements.
The NSF has awarded six projects to 12 institutions, including international collaborations, to understand Arctic sustainability. The projects focus on environmental change, governance, and community resilience, with a goal of informing policy and mitigation strategies.
Researchers at UT Southwestern have found that a cholesterol metabolite called 27-hydroxycholesterol promotes tumor growth in estrogen-receptor positive breast cancers. The discovery may explain why endocrine-based therapies are often unsuccessful, providing a new target for therapy.
A study published by UC researchers found that patients with acute kidney injury (AKI) before starting dialysis are 1.5 times more likely to die in their first year compared to those without AKI. This discovery may help improve dialysis outcomes and quality of life for millions of patients.
A large prospective study found that consuming tree nuts was inversely associated with the risk of pancreatic cancer. Women who consumed two or more servings of nuts per week had a significantly reduced risk compared to those who did not.
University of Illinois researchers suggest a partnership between farmers and scientists to develop effective practices for reducing nitrogen and phosphorus losses from agricultural fields. The goal is to find widespread regional acceptance and reduce the size of the hypoxic zone in the Gulf of Mexico.
The changes to Canada's fisheries legislation have removed habitat protection for most fish species, according to a study by University of Calgary and Dalhousie University fisheries biologists. The removal of habitat protection is inconsistent with ecosystem-based management and has been described as politically motivated.
Researchers will investigate how flowers use scent to attract pollinators and predators, driving the evolution of diverse plant species. The five-year project aims to understand the dynamics among plants, mutualists, and enemies to conserve biodiversity.
A minimally invasive endoscopic procedure to remove superficial, early stage esophageal cancer is as effective as surgery that takes out and rebuilds the esophagus, according to a Mayo Clinic study. The research found that patients treated by endoscopy had similar overall survival times compared to surgery.
A new study analyzes injuries to children under 7 years old born to teenage parents, revealing a significant risk of falls and ingested objects. The study emphasizes the need for injury prevention programs focusing on home safety and parental supervision skills to mitigate these risks.
Researchers at Boston Children's Hospital successfully grew human muscle cells in a dish using a combination of compounds identified through a rapid culture system. They also boosted muscle mass and reversed disease in a mouse model of Duchenne muscular dystrophy, paving the way for potential clinical trials.
Research suggests hyper-connected neurons may cause social symptoms in autistic children, leading to potential new treatment strategies and early detection methods. The study found a link between brain connectivity and severity of social impairment in individuals with autism.
Researchers discovered that a protein called HDAC5 plays a crucial role in triggering the regrowth of damaged nerve cells. By activating HDAC5, scientists hope to develop treatments that enhance axon regrowth and potentially restore sensation in nerve injuries.