A new UC Davis study explores how competition among genetically varied plants relates to species diversity, finding that diversity within a species is necessary for maintaining diversity among species. The research also highlights the importance of preserving biodiversity in plant communities.
Research published in Gut journal reveals C difficile infection is four times more likely to be fatal for patients with inflammatory bowel disease. The study found that those with both conditions had significantly worse outcomes, including longer hospital stays and increased rates of endoscopy.
Researchers at Lawrence Livermore National Laboratory discovered a series of pressure-induced structural and electronic transitions in molten sodium, leading to a threefold drop in electrical conductivity. This unexpected behavior challenges traditional expectations of metals under extreme conditions.
Researchers will develop new methods for understanding software design expertise, using diagram analysis to reveal cognitive structures of designers. The project is embedded in a course in design, allowing for real-time study of design as it happens and improved instruction.
Research suggests that disengaging from impossible goals can lower bodily inflammation levels, a potential risk factor for diseases like diabetes and heart disease. Setting new goals after giving up on an important one can also improve mental health by increasing purpose and mastery.
Researchers at CAMH found that quitting alcohol can significantly reduce the risk of esophageal and oral cavity cancers, with risks decreasing rapidly after longer periods of abstention. However, stopping drinking did not immediately decrease the risk of head and neck cancer, with benefits seen only after 10 years of cessation.
Researchers found that symptoms can improve with age, particularly in individuals who are not classified as having mental retardation. The study, which followed over 400 adolescents and adults with autism for five years, revealed significant improvements in communication, social interaction, and repetitive behaviors.
In a surprising study, married esophageal cancer patients reported worsening physical wellbeing and increasing pain frequency over time. However, they showed less improvement in their legal worries compared to single patients.
A team of researchers discovered a key protein in plants that creates drug resistance and is similar to proteins found in humans. This finding could help uncover new factors contributing to variable drug responses in humans and advance the understanding of drug sensitivity.
A new study has found that adolescents may suffer from severe post-traumatic stress symptoms when a parent is recently diagnosed with cancer. Parents tend to underestimate the problems, and healthcare professionals should be aware of the prevalence of PTSS in children of a parent with cancer.
Researchers at Duke University have developed an inkless microcontact printing technique using enzymes from E. coli bacteria, achieving features as small as 1 nanometer in precision. The method eliminates the need for ink and improves resolution limits by hundreds of times.
A new study suggests that an ultrasound-guided fine needle biopsy technique can accurately detect cancer in lymph nodes with a false positive rate of only one percent. The method has been shown to be highly accurate and may reduce the need for unnecessary sentinel node operations.
The NSF-funded Model Institutions for Excellence program has successfully recruited underrepresented minorities to STEM fields, with a 44% increase in bachelor's degrees conferred. Key strategies include bridging the high school-college transition, mentoring programs, and faculty development.
A research team has discovered forests of endangered tropical kelp in deep waters near the Galapagos Islands. The find suggests that marine ecosystems may be more resilient to climate change than initially thought, with kelp forests potentially harboring unique biodiversity.
A study published by the American Society for Gastrointestinal Endoscopy found that capsule endoscopy identified Crohn's disease recurrence in 62% of patients, compared to 25% with colonoscopy. This led to changes in therapy for more than half of the patients studied.
A University of Utah-led study rebuts critics by showing that legalizing physician-assisted suicide did not result in disproportionate deaths among the elderly, poor, women, minorities, or chronically ill. In fact, patients with psychiatric illness were not more likely to die via assisted suicide.
A Queensland University of Technology research team has received $280,000 in funding to investigate how to make technology easier for older people to use. The study aims to improve the design of complex interactive devices, such as healthcare products, to reduce errors and save lives.
A preliminary laboratory study suggests that consuming large amounts of caffeine with acetaminophen can lead to toxic interactions and liver damage. The researchers recommend limiting caffeine intake while taking acetaminophen, particularly for vulnerable groups such as those taking certain medications or excessive alcohol.
Research by NSW DPI has identified the Whitefringed weevil larvae as the culprit behind small holes in leaky irrigation pipes. The larvae can chew through plastic piping using their dark brown pincers, leading to significant yield loss and water waste for lucerne growers.
Researchers at Yale have made two major breakthroughs in advancing quantum computing, enabling the transfer of information between distant qubits and paving the way for more complex quantum computers. By developing a superconducting communication 'bus,' they can now store and transfer information efficiently between qubits on a chip.
A study of 215 cancer patients found that acupuncture did not reduce nausea caused by radiotherapy, but patients believed it helped. The treatment had no statistically significant effect on nausea duration or intensity.
Researchers analyzed stalagmites from Borneo caves to reconstruct the tropical Pacific's climate history. Their findings suggest a more active role for the tropical Pacific in abrupt climate changes than previously thought, providing new insights into past climate trends.
A study suggests that patients with non-squamous histology achieve statistically significant higher survival when treated with ALIMTA in the second-line setting compared to those with squamous histology. The analysis also identified other predictive factors for potential benefit from treatment, including adenocarcinoma histology and go...
A recent Arctic heat wave has led to a significant revision of climate change forecasts and research findings. The extreme temperatures on Melville Island have caused widespread erosion, changed sediment loads, and impacted water quality, highlighting the urgent need for improved models predicting future climate change in the High Arctic.
University of Wisconsin-Madison engineers successfully blended modern semiconductor tech and nanomachines, opening doors to new tiny mechanical devices. The new work enables sensors capable of measuring single biological molecules and has implications for solar energy cells, battery technology, and highly sensitive light-emitting diodes.
A large study of European patients has identified promising biomarkers to distinguish between patients with a high likelihood and low likelihood of relapse, paving the way for more targeted treatment approaches.
Researchers at UT Southwestern Medical Center have identified a likely cause of kidney transplant rejection: antibodies attacking MICA antigens. The study found that patients who showed the most marked effect from these antibodies were those considered high-risk for clinical transplantation.
Research published in BMC Evolutionary Biology shows that a snake's intended prey affects the type and evolution of toxins in their venom. The study found that sea snakes have less diverse toxins due to their shared feeding behavior and diet.
Scientists at NIST have developed a new component for potential ultra-powerful quantum computers using a microfabricated aluminum cable with superconducting circuits. This 'quantum bus' can transport data between two or more qubits, enabling faster calculations and potentially solving complex mathematical problems.
Researchers from MIT and Alnylam Pharmaceuticals have shown that siRNA does not interfere with the microRNA pathway, achieving 80% silencing of target genes in mice and hamster liver cells. This approach could lead to treatments for a wide range of diseases.
Legalized physician-assisted dying in Oregon and the Netherlands shows only a few people choose this option, with most having cancer or severe illness. Vulnerable groups such as people with disabilities or mental illnesses are not overrepresented in deaths facilitated by doctors.
Women with metastatic breast cancer who have endured previous traumatic or stressful events see their cancer recur nearly twice as fast as others, according to a study. The median disease-free interval was 2.5 years for those with traumatic experiences, compared to 5 years for those without.
Researchers developed a simplified protocol to teach growers how to convert complex yield and soil data into pertinent information, enabling site-specific management decisions. By using this protocol, Australian growers improved their field management, including implementing site-specific nutrient and pest management treatments.
A team of researchers has created a method to assemble wire-like structures only a single molecule wide, paving the way for the development of smaller, faster electronic devices. The new template enables the creation of one-dimensional wires with minimal loss of electricity conductivity.
A three-year QUT study will guide schools on policies and practices to protect victims, educate students and families, and prevent liability. The research team will work with focus groups of students, teachers, principals, and parents to explore the incidence and consequences of cyber bullying.
A new report highlights the ongoing debate over climate change models, with scientists emphasizing the importance of understanding physical laws while acknowledging uncertainties. The Institute of Physics' report notes that while there is general consensus on climate causes, there is not unanimity among experts.
Researchers at the University of Helsinki discovered that a weak inhibitory cascade in mouse molars may cause the last molar to develop in humans. They developed a mathematical model predicting tooth proportions and numbers across various species, including humans.
A recent study on joint attention reveals its crucial role in understanding autism, suggesting impaired social skills and communication difficulties. The 'attention-systems model' proposes that joint attention is the result of two basic forms of attention interacting throughout development.
New nonviral gene delivery systems utilizing transposons provide a safer alternative to viruses, with potential benefits for treating fatal conditions such as cancer. The technology has shown promise in achieving stable expression of genes in animal cells and minimizing insertional mutagenesis risk.
Scientists at the University of Illinois Chicago have identified calpain-1 as a key enzyme in blood clot formation, which could lead to safer anti-clotting treatments. The study also found elevated protein tyrosine phosphatase-1B levels in mice lacking calpain-1, potentially providing insights into diabetes and obesity research.
Researchers found that aquatic life in Ward Hunt Lake has undergone significant transformations over the last two centuries, with abrupt changes in algae population and diatom presence. The lake's conditions have become more favorable for algae growth, raising concerns about climate change's impact on Arctic ecosystems.
Researchers at UCSD School of Medicine discovered a novel PLC-epsilon enzyme subtype that activates a second signaling pathway for cell proliferation. This finding may enable targeting the enzyme's second function to prevent pathological responses while preserving its critical physiological roles.
Stevens Institute of Technology has been recognized for its consistent success in technology education, with a focus on innovation and collaboration. The university's four schools are working together to address major thrust areas in the 21st century, including systems management, security, and multi-scale engineering.
Researchers at the University of Bonn found that majorite minerals act as oxygen reservoirs, releasing stored oxygen to form water and sustain life on Earth. This mechanism helps prevent the Earth from becoming as dry and inhospitable as Mars.
Researchers found that hybrid young salamanders survived more in the wild than pure native or introduced species, challenging prevailing scientific thought. The study raises questions about managing endangered populations and considers hybrids as threats to native salamanders.
Researchers found that safety measures introduced over the past decade have failed to reduce death rates and speed in Grand Prix motor racing. Experts recommend strengthening barriers, protective clothing for drivers, and improving cornering speeds to prioritize driver safety.
Researchers found that combining Lactobacillus rhamnosus GG probiotic strain with lower doses of hyperimmune bovine colostrum (HBC) provides protection against rotavirus infection, effective as high-dose HBC alone. This combination therapy could help relieve the immense disease burden posed by rotavirus in developing countries.
A comparative study of Black Caribbeans living in America found better health, higher incomes, and less discrimination than both black Americans and English Caribbeans. The research attributed these differences to economic inequalities and migration patterns.
Scientists at Northwestern University have discovered that a toxic protein in the brains of individuals with Alzheimer's removes insulin receptors from nerve cells, rendering those neurons insulin resistant. This finding sheds light on the emerging idea of Alzheimer's being a type 3 diabetes.
The A. Alfred Taubman Medical Research Institute supports fundamental research to advance understanding of human diseases. The institute's first five Taubman Scholars will receive flexible grants for promising disease-fighting research.
The experimental drug STA-4783 has been shown to delay cancer progression and prolong patient lives by inducing oxidative stress in cancer cells. In a randomized trial, patients treated with the combination of STA-4783 and chemotherapy lived up to 12 months after diagnosis, compared to 7.8 months for those receiving only chemotherapy.
A recent study shows that overabundance of a single microRNA, microRNA-10b, can cause tumors to spread to distant tissues in mice. Researchers found that this microRNA disrupts the normal migration process of cancer cells by targeting the HoxD10 gene.
A study presented at the European Cancer Conference found that axitinib shrank tumours and delayed disease progression in patients with advanced kidney cancer. The drug, which is also being tested in other types of cancer, showed promising results in a group of heavily pre-treated patients.
Researchers at Tufts University found that glycemic index values can vary significantly among individuals and even within the same person, with individual values ranging from 44 to 132. The study's findings highlight the need for more precise understanding of how glycemic index relates to chronic disease risk in diverse populations.