A field experiment was conducted over two years to evaluate the effects of different nitrogen levels and drip irrigation modes on seed cotton yield, dry matter, and water productivity. Results showed that Rassafa cotton cultivar is responsive to nitrogen fertilizer and drip irrigation modes.
Scientists discovered that early modern humans on the coast of South Africa continued to thrive despite a massive volcanic eruption around 74,000 years ago. The team found evidence of a 'refugia' area with abundant resources like shellfish, allowing human groups to survive the devastating event.
Water troughs on farms can spread toxic E. coli in cattle, which can then infect humans through contaminated beef and salad greens. Reducing water volume in troughs paradoxically increases E. coli prevalence.
Researchers at Wake Forest Baptist Medical Center have developed a fluorescing nanoparticle that can find tumors and generate heat to destroy cancer cells. The nanoparticles, called Hybrid Donor-Acceptor Polymer Particles (H-DAPPs), successfully localized and killed breast cancer in mice, showing potential for future human trials.
A new collection of articles highlights the growing concern of social isolation among older adults, which can lead to devastating health consequences. Research-backed initiatives aim to decrease isolation through initiatives such as free Lyft rides and interactive devices.
A new microscopy technique called SUSHI allows for simultaneous imaging of all brain cells in a specific region, overcoming previous limitations. This breakthrough enables researchers to gain new insights into brain function and organization, advancing our understanding of healthy and diseased brains.
Genomic analyses of fossil remains from 5th and 6th century AD sites in southern Germany uncover evidence of female-biased immigration in Early Medieval Bavaria. Women with artificial cranial deformation (ACD) show predominantly Southeast European ancestry, while one individual exhibits East Asian genetic markers.
A study published in Psychonomic Bulletin & Review found that people who pursue happiness often feel like they do not have enough time, which paradoxically makes them feel unhappy. This effect is due to the pursuit of happiness causing participants to think of time as scarce.
Scientists have successfully converted quantum waves into electrical current using an organic-based magnet, paving the way for faster and more efficient electronics. The breakthrough, achieved by researchers at the University of Utah, could lead to new generations of electronic systems that use magnons instead of electrons.
A large international study has identified 22 new genetic risk factors for stroke, contributing to a better understanding of the disease's molecular mechanisms. The findings highlight the importance of genetics in identifying novel drug targets and may lead to personalized treatments for this complex disease.
Researchers surveyed 246 students before and after therapy dog sessions, finding significant reductions in stress and increased happiness. The benefits were equally distributed across both genders and lasted for at least 10 hours.
A new study from the University of Georgia finds that aggression and weak study skills are strongly linked to high school dropout rates. The study tracked over 620 students for seven years, revealing a 50% dropout rate among those with high aggression and low study skills.
Infants fed soy-based formula had differences in reproductive-system cells and tissues, including subtle estrogen-like responses, compared to those on cow-milk formula or breastfed. Further investigation is needed to understand the long-term effects of exposure to estrogen-like compounds.
Researchers have developed a method to create large amounts of fillable and targeted nanovesicles using immune cells. These nanovesicles can be customized with specific ligands to target different types of tumors, enabling more effective cancer treatment.
The chemical topology of silica surfaces can significantly impact the effectiveness of various chemical processes, including catalysis, filtration, and nanofabrication. Researchers found that hydrophilic silanol groups attract water molecules, forming a barrier that reactants must overcome to proceed with the desired process.
Researchers found that imaging technologies more precisely predict who's at risk for heart attacks, allowing for timely prevention. The study used PET/CT imaging to measure coronary artery calcium, revealing existing disease and identifying patients at high risk.
Researchers discovered that inhibiting autophagy with the help of FOXO3a molecule can push cancer cells into apoptosis. The study found that combining autophagy inhibition with a drug called Nutlin increases PUMA production, leading to cell death.
Patients treated with beta blocker metoprolol for 30 days before and after noncardiac surgery were less likely to have heart attacks, but more likely to die or have strokes one year later. The study found that the benefits of beta blockers in reducing heart attacks did not outweigh the increased risk of death or stroke.
Precision oncology uses advanced molecular diagnostic technologies to select targeted therapies, resulting in improved overall survival and lower average total healthcare costs. Average weekly costs were significantly lower for the targeted treatment group compared to the control group.
Researchers at NIST and NIH developed a new method that uses movable silicon gratings to focus neutron beams, allowing for the examination of objects at unprecedented scales. This breakthrough could complement existing scanning techniques, enabling scientists to probe the interiors of materials without damaging them.
Kansas State University researchers found that pigweeds develop resistance to glyphosate by carrying hundreds of copies of the target gene in circular DNA structures. The team's discovery has implications for sustainable agriculture and strategies to negate resistance.
A new liquid biopsy method has been developed to detect cancer heterogeneity with high accuracy and reduced cost. The approach uses a streamlined protocol to profile single circulating tumor cells from a simple blood test, enabling genome-driven targeted therapy selection and monitoring of disease progression.
Researchers identified a bending fault line in the Pacific Ocean as the likely cause of the 7.1 magnitude Puebla earthquake, which caused significant damage in Mexico City. The study suggests that earthquakes like this one may be more common than previously thought in a region southeast of Mexico City.
A study found that patients with a high-risk PFO who received a medical device to close the hole in their heart after a stroke fared better than those who received medications alone. The trial suggested that closure can help prevent subsequent strokes and related problems, particularly in those with a high-risk PFO.
A recent study found that university education has a dramatic positive effect on non-cognitive skills like conscientiousness, extraversion, and agreeableness. Students from disadvantaged backgrounds experience significant improvements in these traits, narrowing the initial gap with their more privileged peers.
Researchers at Lawrence Berkeley National Laboratory developed HipMCL, an algorithm that can cluster large biological networks containing millions of nodes and edges. The new method allows biologists to make sense of big science data using massively parallel supercomputers.
A new study found that people with dengue fever have a higher risk of stroke, with the incidence being 5.33 per 1000 person-years. The risk of stroke is as high as 2.49 times in the first 2 months following infection.
Researchers from the University of Helsinki are using artificial intelligence to monitor and combat illegal wildlife trade on social media. Machine learning algorithms can automatically identify species, classify sentiment, and process visual content to aid law enforcement and conservation efforts.
Researchers at Purdue University may have discovered a way to stop Ebola virus replication by mutating its most important protein, VP40. The study found that altering the amino acid sequence of VP40 reduces lipid binding and prevents viral budding, offering new targets for therapeutics.
A study published in the journal Primates shows that while plants growing near the edges of cleared regions are negatively impacted by human activity, monkeys sharing the same habitat do not fare as poorly. The researchers found less diversity of tree species at the forest edge compared to the interior, and noted that these trees were ...
New research from Binghamton University explores how personality traits affect social networking addiction, finding that neuroticism increases the likelihood of addiction, while conscientiousness decreases it. Conscientiousness and agreeableness also play a role, with specific combinations affecting addiction likelihood.
A new UCLA-led study finds that the Great Recession was associated with increased blood pressure and glucose levels, particularly among older homeowners and those still in the workforce. The study analyzed data from the Multi-Ethnic Study of Atherosclerosis and suggests that economic crises can have measurable effects on public health.
The series discusses historical context, spin in scientific publications, and media narratives about science, highlighting the need for accurate reflection of the scientific process. Proposed remedies include improving data sharing, open materials, and reducing bias in research reporting.
A new study finds that many men receiving prostate specific antigen (PSA) testing do not have a comprehensive shared decision making process, contrary to current guidelines. The study found that in both 2010 and 2015, fewer than one in five men with recent PSA testing reported full discussion.
A new analysis of neuroscience studies on free will found significant variability across studies, with some concluding that human actions are driven by external stimuli while others found conflicting results. The researchers argue that neuroscientists should critically examine their methods to avoid promoting unsubstantiated beliefs.
Tropical Cyclone Hola was torn apart by wind shear in the South Pacific Ocean. The satellite image showed the center of the storm fully exposed and almost devoid of precipitation except for the southern quadrant.
A system developed by I.Systems uses AI to control pressure and reduce leak losses in water distribution networks. The Leaf system has already reduced water waste due to leakage by 2% in a region comprising seven municipalities in Rio de Janeiro State, Brazil.
The experimental drug andexanet has been shown to control serious bleeding in patients taking Factor Xa inhibitors. The study found that andexanet rapidly reversed the anticoagulant effect of these drugs without significant safety problems, achieving clinical hemostasis in 83% of patients.
Rochester researchers have developed a technique using the flying focus concept to better control the intensity of lasers over longer distances. By capturing fast-moving movies, they can manipulate the focal velocity and produce high-intensity light sources with novel wavelengths.
Researchers from CNRS and St. Jude Children's Research Hospital have identified a gene cluster involved in medulloblastoma tumour development. They found that genes normally expressed only in the eye can be activated in brain tumors, promoting cell proliferation and inhibiting cell death.
Researchers found that increased experience with ratings makes the process easier, resulting in upward trends and rating inflation. This effect emerges across different tasks, including grading, dancing, and evaluating photos or short stories.
The study found that WUI area in the coterminous US grew by 33% between 1990 and 2010, with a 41% increase in houses. The areas experiencing wildfires had fewer homes in 1990 compared to 2010, highlighting the growing wildfire risk.
Researchers at Wake Forest Baptist Medical Center have developed a nanotechnology-based approach to measure hyaluronic acid, a molecule indicative of osteoarthritis. This technology enables the detection of small amounts of HA in synovial fluid, allowing for better assessment of disease progression.
A new treatment approach uses a cGMP analogue in a drug delivery system to protect photoreceptors and restore retinal function in rodent models of the disease. The study shows promising results in reducing photoreceptor loss and restoring vision.
A 40-year study quantifies Bt corn's benefits for offsite crops like sweet corn, peppers, and green beans, showing 90% European corn borer population suppression. The adoption of Bt corn reduces spraying regimens and overall crop damage by up to 90%.
A study published in Nature Neuroscience reveals that romidepsin, an FDA-approved anti-cancer drug, restored gene expression and alleviated social deficits in mice deficient in the Shank 3 gene, a key risk factor for autism. The treatment had a profound and prolonged effect, lasting several years in humans.
A recent study using CRISPR-Cas9 technology identified new genes that may hasten neuron death in ALS and FTD patients. The researchers found that genes controlling cell movement and protein assembly were potential partners in DPR toxicity, suggesting novel therapies for ALS.
Researchers found that calcium deposits in large arteries increased the risk of heart attacks and mortality. The study suggests bone density tests can also screen for cardiovascular disease, making them a valuable tool in screening.
Researchers found Neotropical fruit species in Central and South America have larger geographic ranges when linked to human diets, suggesting human impact on species distribution. Human use of these fruits may have driven the expansion of their ranges.
Research found that African American mothers' parenting stress is associated with epigenetic differences in DNA methylation, particularly in genes related to stress signaling. This discovery has implications for understanding health disparities among African American women and their children.
A study estimates that historical lead exposure may be responsible for 256,000 premature deaths from cardiovascular disease each year in the USA. The study found that low-level lead exposure increases the risk of premature death, especially from cardiovascular disease.
Babies' movement in the womb is crucial for developing strong bones and joints. Research has identified that cells receive incorrect molecular signals when movement is absent, leading to brittle bones or abnormal joints. Understanding this mechanism can lead to improved treatments for joint injuries and diseases.
Urban heat islands are caused by cities trapping more heat than surrounding areas due to their structure, affecting energy consumption and air quality. Researchers studied 50 cities and found that well-organized cities with straight streets retain more heat at night, leading to increased energy bills in hot climates.
A recent study found that six-month dual antiplatelet therapy increases the risk of heart attacks in patients with acute coronary syndrome (ACS). The SMART-DATE trial showed that short-term treatment is not safe for ACS patients who have received drug-eluting stents, highlighting the need for prolonged DAPT in these cases.
A new iPad app that educates patients about different options for colon cancer screening and allows them to order their preferred test has been shown to significantly increase screening rates. In a randomized controlled trial, patients who used the app were twice as likely to undergo screening compared to those in the usual care group.
A researcher at George Washington University is studying the link between stress in the brain and obesity-induced hypertension, with a focus on understanding how cell stress may alter blood pressure regulation. The five-year study aims to identify potential new treatments for hypertension using existing drugs.
Researchers observed attosecond optical-field-enhanced carrier injection into the GaAs conduction band, a process previously thought to be impossible. Intra-band motion plays a significant role in this phenomenon, enhancing the number of electrons excited into the conduction band.
A global study of DNA samples from 520,000 individuals identified 22 new genetic risk factors for stroke, according to researchers. The findings are significant as they will increase potential targets for stroke drug development and provide valuable insights into dementia research.
The widespread adoption of Bt field corn led to significant reductions in European corn borer and corn earworm infestations. This resulted in lower recommended insecticide sprays, total insecticides applied, and crop damages on pepper, green bean, and sweet corn crops.
The research team found that, when learning a new task, the brain operates under a more stringent set of constraints than originally thought, resulting in good short-term learning but suboptimal performance. The brain tends to repurpose existing neural activity patterns rather than generating entirely new ones.