Stuart A. Newman's alternative model suggests that the origination of animal form motifs was predictable and sudden, with abrupt morphological transformations favored during early evolution. This perspective resolves puzzling aspects of animal evolution, including the rapid rise of complex body forms.
Researchers from the University of Sheffield have developed a new technique to grow Schwann cells, vital for nerve repair, in less than half the time and at lower cost. The method could be a vital step for use in patients with severe nerve damage.
Urinary tract infections are a common cause for antibiotic prescriptions, but overusing powerful quinolone antibiotics can lead to bacterial resistance. Experts recommend using targeted older drugs instead, unless necessary, to conserve the effectiveness of all medications.
A recent study published in PNAS found that the Arctic and Southern Oceans have distinct microbial community compositions, with few common members sharing surface areas. The research suggests that freshwater input from glaciers and rivers drives these differences, with a greater prevalence of unique organisms in coastal regions.
Researchers have discovered a genetic structure that makes soybeans resistant to a devastating disease, and it's not just one gene but three neighboring genes working together. The unique structure of these genes, which are duplicated multiple times, is the key to their effectiveness.
Researchers at the University of Washington examined the pathogen Pseudomonas aeruginosa, which colonizes in cystic fibrosis patients. They found that certain cells called cheater cells share public goods without releasing them, leading to destabilization of cooperation and potential new strategies for infection control.
China is experiencing a rising epidemic of hypertension and type 2 diabetes, leading to an increasing burden of cardiovascular disease. The country has seen a significant increase in smoking rates, with 54% of men smoking and 92 million people living with type 2 diabetes.
Researchers found that humpback whales use a unique tactic to lunge for krill, beating their tail fins twice as fast as normal and maintaining speed while gliding after opening their mouths. This discovery suggests that lunge feeding may be cheaper than previously thought, but still highly demanding.
Researchers discovered that Chinese soft-shelled turtles urinate primarily through their mouths, allowing them to conserve water in brackish environments. This unique adaptation enables the turtles to avoid problems associated with drinking salty water and excreting excess salts.
UC Irvine's Program in Geriatrics has been awarded a three-year, $1 million grant from the U.S. Administration on Aging to implement a new federal initiative combating elder abuse. The program will test promising community-based practices to prevent the abuse of people with dementia, with the goal of reducing this complex and interrela...
Researchers found that reducing perceptual interference can improve object perception in individuals with mild cognitive impairment (MCI) and early-stage Alzheimer's disease. The study suggests that minimizing visual clutter could help MCI patients with everyday tasks, such as recognizing familiar faces and objects.
The University of Tennessee will participate in two Department of Energy projects worth over $9 million to enhance nuclear energy safety and efficiency. Researchers aim to develop new materials and designs that can prevent accidents, such as those seen at Fukushima Dai-ichi Nuclear Power Plant in 2011.
The UCI Center for Complex Biological Systems has been awarded $11.5 million in continued funding, enabling researchers to explore dynamic interactions underlying complex functions. This award reinforces the center's interdisciplinary approach and its contributions to advancing our understanding of biological systems.
Scientists at UCSF have successfully transplanted embryonic neurons into newborn mice brains, defying the prevailing theory on cell death in developing brains. The study suggests that a fraction of cells may die due to unknown 'signals' rather than competition for survival factors.
Researchers at the University of Texas at Dallas are developing nanotechnology to create ultra-thin-film photovoltaic devices that convert light into electric power. By reducing the thickness of silicon from hundreds of microns to just one micron, they aim to achieve lighter and more flexible solar cells with improved efficiency.
Researchers at University of Luxembourg develop method to observe and prevent solar cell degradation before production, improving industry efficiency. Thin film solar cells can be degraded during production, but new findings show it's reversible with quick treatment.
A study of 38 premature babies from low-income families found a higher risk of brain bleeds, fewer follow-up appointments, and more ER visits compared to those from higher-income families. The findings highlight the critical need for better identification of high-risk pregnancies and reduction of premature births.
A new web-based data network aims to make existing knowledge available to policymakers and scientists worldwide, improving science and innovation policy. Researchers propose a unified set of standards between databases and platforms to overcome data sharing challenges.
Researchers at the University of Washington have developed a novel method for containing hot plasma using mug-handle-like coils, which require less energy than current methods. The new approach stabilizes the plasma, enabling more efficient fusion energy production.
A new model explains dopamine's direct and indirect role in modulating the immune system. Recent research has opened up possibilities for treating diseases such as Parkinson's and Alzheimer's disease, schizophrenia, multiple sclerosis, or autoimmune disorders.
The 16th Atlantic tropical depression has formed northeast of the Bahamas and is expected to move southwest, potentially affecting the region. The National Hurricane Center tracks its movement and potential impact.
Researchers discover that short bursts of intense exercise, like sprint intervals, can boost calorie burn for up to two days after the workout. The study's findings suggest that incorporating such exercises into a daily routine could aid in weight maintenance by burning an additional 200 calories.
Research reveals fly photoreceptors physically contract in response to light, generating electrical responses faster than previously thought. The study provides a new concept in cellular signalling and suggests potential therapeutic targets for various diseases.
Researchers at University of Leeds found that hospital superbugs can spread far beyond patient beds through airborne dispersal, contaminating surfaces up to 3.5 meters away. This discovery highlights the need for improved ward layouts and ventilation systems to prevent microorganism deposition on accessible surfaces.
Regular exercise can improve fitness levels in people with type 2 diabetes by up to 40% after 12-20 weeks of training. This reduces the impact of the disease on cardiovascular health and decreases mortality risk.
University of Iowa researchers have discovered that CaM kinase II triggers cell death in heart cells following a heart attack. Blocking the enzyme can prevent heart cells from dying and protect against heart failure.
Researchers found a large number of previously undescribed viruses in the gastrointestinal tract of monkeys with SIV-induced AIDS, suggesting these viruses may contribute to disease progression. The presence of RNA viruses alongside DNA viruses offers new insights into the complex interplay between microorganisms and disease.
A new cave-dwelling reef coral species, Leptoseris troglodyta, has been discovered in the Indo-Pacific region. This species differs from its relatives by its small polyp size and lack of symbiotic algae, providing insights into coral-algal symbiosis.
The South Central Climate Science Center has received funding for seven projects, including studies on terrestrial connectivity, marsh types, and submersed aquatic vegetation in the Gulf of Mexico. These projects aim to improve management decisions for wildlife populations and coastal ecosystems.
Recent studies have begun to explore the connections between animal microbiomes and behavior, showing that beneficial microbes can influence animal behaviors such as feeding, mating, and predator-prey interactions. The study suggests that behavior plays a critical role in establishing microbiomes, which then influence animal behavior.
Scientists at the University of Edinburgh have proved a 60-year-old theory about how nerve signals are sent around the body at varying speeds. The study found that longer distances between gaps in myelin lead to faster signal transmission, providing insight into nerve damage and development.
The Las Cumbres Observatory's Network of Robotic Echelle Spectrograph (NRES) prototype has achieved its first light, primarily designed to support the study of exoplanets. The NRES will extend the capabilities of the LCOGT 1-meter network with six high-resolution spectrographs.
Scientists have used satellite data to reveal a geological oddity in the Altiplano-Puna plateau, where magma is forming a large blob that pushes up the earth's surface across an area 100km wide. This 'sombrero uplift' could provide insights into massive magmatic events leading to super volcano formation.
Astronomers discover that massive galaxies with 100 billion stars are growing denser due to repeated collisions and mergers. The study used gravitational lenses to analyze the mass distribution in these galaxies, finding that major collisions between large galaxies lead to increased mass density at their centers.
Scientists have visualised the interaction between gluten and T-cells of the immune system, providing insight into how coeliac disease is triggered. The discovery could lead to a blood test and therapeutic vaccine for patients with coeliac disease.
A new report by the International Osteoporosis Foundation highlights the alarming rate of unaddressed osteoporosis and related falls in clinics and hospitals worldwide. The 'Capture the Fracture' campaign urges concerted global efforts to implement proven models of care, aiming to break the cycle of secondary fractures.
The probe dug a 12 cm deep hole before bouncing out onto a flat surface, sliding 30 cm across the surface due to friction. The probe wobbled back and forth five times before coming to rest, suggesting the surface was soft enough to make a hole but hard enough to support wobbling
Researchers developed a novel method to determine how ready acute myeloid leukemia (AML) cells are to die, helping cancer specialists choose treatments more effectively. The tool measures the 'primed to die' status of AML cells by apoptosis, allowing for better prediction of patient outcomes and personalized treatment decisions.
A Phase II intra-arterial stem cell trial has demonstrated the safety of a regenerative therapy in patients with ischemic stroke. The ALD-401 therapy uses patient-derived bone marrow stem cells to promote brain repair after stroke.
Researchers at UMass Amherst have found a way to deliver bio-active cargo such as proteins and synthetic molecules into naïve T cells using a new synthetic protein transduction domain. This breakthrough enables the study of crucial immune functions and holds great potential for therapeutic applications in the clinic.
Scientists at the University of Hawaii found a significant decrease in northeast trade wind days from 291 to 210 per year. This change is linked to an increase in eastern trade winds and may impact climate patterns, including droughts in Hawaii.
Typhoon Prapiroon slowed down and became quasi-stationary in the Philippine Sea, displaying a small ragged eye. The storm is expected to slowly re-curve around the western extent of the subtropical ridge, taking on a northeastward track over the next three days.
A survey of 677 supplement users found that nearly half are concerned about heart health and 75% prefer natural ways to lower cholesterol. The new probiotic supplement Cardioviva aims to fill this gap with a safe and natural addition to a heart-healthy diet and lifestyle.
A study published in European Journal of Wildlife Research has confirmed the genetic uniqueness of captive lions at Addis Ababa Zoo in Ethiopia. The research team recommends establishing a captive breeding program to preserve this vulnerable lion population and conserve its genetic heritage.
Experimental work on ancestral visual pigments and their mutational variants reveals that standard computational approaches are not reliable for inferring evolutionary pathways. Researchers now call for a shift towards experimental approaches to test hypotheses about protein evolution.
A Simon Fraser University physicist has discovered a link between variable methylation in DNA and various attributes such as age, gender, stress, and socioeconomic status. The study found that childhood poverty left a detectable molecular mark on an individual's DNA, which correlated with gene expression.
A single gene variant in donors has been linked to a 69% increased risk for long-term failure of transplanted kidneys. The variant affects the expression of the protein that pumps drugs out of cells, which can be toxic to the kidneys.
Researchers discover that spinal muscular atrophy results from motor circuit dysfunction, not motor neuron or muscle cell dysfunction. The study identifies a novel molecular pathway and proposes potential therapies involving potassium channel blockers.
Researchers mapped 14.8 million Kenyan mobile calls to track malaria spread and found a surprising link between travelers and infected residents in Nairobi. The study reveals the potential for using big data from mobile phones to inform malaria control efforts.
The new nanoflower structures have a huge surface area in a small space, increasing the capacity of lithium-ion batteries and supercapacitors. GeS is an attractive material for solar cells due to its ability to absorb solar energy and convert it into usable power.
A Concordia University researcher is investigating cross-gender behavior in children to better understand the challenges faced by families and educators. The study aims to provide resources and support for parents, educators, and social workers to create safe and inclusive spaces for gender nonconforming youth.
A new study has improved understanding of plasma sources, a state of matter used in plasma display panels. Researchers found that reducing voltage can cause disordered systems to form.
A small pilot study suggests that exercising cancer survivors for several weeks after chemotherapy can strengthen their immune systems, making them more effective at fighting future cancers. The study found that a significant portion of T cells converted from a senescent form to a naïve form, ready to fight cancer and infections.
Researchers identified a genetic signature that distinguishes patients with complicated sarcoidosis from those with a more benign form. The 20-gene pattern can be used to identify patients at risk of serious complications and potentially life-threatening disease.
A new study demonstrates that children's ability to delay gratification is influenced as much by their environment as by innate ability. Children who experienced reliable interactions waited on average four times longer than those in similar but unreliable situations.
The Institute for Operations Research and the Management Sciences (INFORMS) has presented 12 new Fellows Awards to analytics leaders for their outstanding contributions to education, management, research, service, and practice. The recipients include experts from academia and industry who have made significant impacts in various fields.
USDA scientists develop immunocrit technique to measure newborn piglets' serum immunoglobulin levels, indicating mortality and nursing ability. The test can identify at-risk piglets and provide opportunities for intervention strategies.
Domestic violence rates surged by 30% with England's wins and losses during the 2010 World Cup, while draws had little impact. The study highlights the need for improved education and awareness about the link between major sporting events and peaks in domestic violence.
Researchers identified a new drug target for epilepsy in human brain tissue, which also shows promise for treating behavioral disorders. The study found that specific brain layers are activated during seizures and linked to increased synapses, leading to abnormal neuronal synchrony.
Researchers at Brown University have been awarded a $1.75 million grant to develop new catalysts for producing chemicals from carbon dioxide instead of fossil fuels. The goal is to reduce the chemical industry's carbon footprint and stabilize production costs.
The UK and US healthcare systems have much to learn from each other, particularly in areas like financing, organisation, and information technology. The authors highlight key differences between the two countries' reforms and suggest that country-specific expertise could be valuable.
New study finds that blocking leukotriene B4 production reduces allergic skin inflammation in mice with eczema. Neutrophil recruitment to the skin is essential for the disease's development.
Astronomers have identified a super-Earth called 55 Cancri e as a likely diamond planet, composed primarily of carbon in the form of graphite and diamond. The planet's mass is eight times greater than Earth's, and it orbits its star at hyper speed, with a surface temperature of about 3,900 degrees Fahrenheit.
Scientists at the University of Warwick have developed an organic solar cell with a high open circuit voltage, making it suitable for low-power electronic devices. The breakthrough technology has the potential to enable cheap, lightweight, and portable solar chargers that can be integrated into consumer electronics.
A scientist from Scripps Research Institute has received a grant to develop new chemical reactions for the laboratory preparation of rare natural products, including anticancer and antifungal agents. The project aims to establish a firm scientific foundation for driving medicinal pursuits with improved efficiency.
Scientists at the University of Michigan have made a groundbreaking discovery in understanding how the hormone leptin regulates metabolism and body weight. By visualizing the interaction between leptin and its receptor, researchers may develop new drugs to overcome leptin resistance, a key factor in obesity.
A new study reveals that Indonesia's coral reefs in Aceh are benefiting from the 'Panglima Laot' customary system, which has resulted in higher fish biomass and hard-coral cover due to mutually agreed gear restrictions. The system's success lies in its design principles promoting social harmony and sustainable resource management.
Duke researchers add anti-cancer agent bortezomib to treatment regimen for Pompe disease, improving outcomes for three infants with severe form of the disorder. The addition reverses established immune response and reduces antibodies, leading to dramatic clinical improvements.
Researchers sequenced microbial DNA in twins and found salivary microbiomes were not significantly more similar to identical twins as fraternal twins, suggesting genetic relatedness is less important than environment. The study also revealed that the salivary microbiome changes most during early adolescence.
A one-day training course improved healthcare staff's understanding and confidence in addressing patients' sexual issues. The course led to statistically significant changes in knowledge, skills, and comfort, with staff reporting increased willingness to raise sensitive topics.
The IU and Regenstrief clinician-researchers will work with 19 central Indiana nursing facilities to improve the quality of care, reduce hospitalizations, and increase access to palliative care for long-stay residents. The comprehensive four-year initiative, OPTIMISTIC, aims to transform institutional care and address the neglected nee...
A study by Michigan State University researchers finds that private school students in India do not outperform their counterparts in public schools. The study analyzed the reading, writing and math performance of 10,000 Indian students aged 8 to 11 and found no consistent benefit of attending a private school.
Researchers at Washington State University have developed a new drug candidate that improves cognitive function in rats with Alzheimer's-like mental impairment by building new brain cell connections. The compound, called Dihexa, is stable and can cross the blood-brain barrier, allowing for pill-form administration.
A new study of human twins suggests that environmental factors play a larger role in shaping the types of microbes in the mouth than genetic background. The research found that saliva samples from identical and fraternal twins showed similar microbial communities, indicating that environment contributes more to oral bacteria.
Researchers confirm experimentally that quantum effects allow chemical reactions to proceed rapidly, even at low energies. By merging beams of particles, they achieved a collision temperature of just 0.01 K and observed dramatic changes in reaction rates, revealing the power of quantum phenomena in cold chemistry.
Scientists developed a genetically engineered fruit fly model to study temperature-dependent seizures. The model reveals that disease-causing mutations lead to breakdowns in brain regulation, causing excessive electrical activity. Researchers hope this discovery will lead to the development of new treatments for febrile seizures.
Researchers found that motor unit firing patterns varied significantly across the menstrual cycle, with a significant increase in the late luteal phase, potentially affecting joint stability and injury risk. The study suggests that hormone fluctuations may play a role in knee injuries among female athletes.
Two teams explore using natural silk for implantable sensors, compostable lasers, and microfibers integrated into photonic chips. Silk's optical properties make it an attractive material for biocompatible and biodegradable applications.
Breast tumor cells interact with mesenchymal stem cells (MSCs) in the tumor microenvironment, triggering production of lysyl oxidase (LOX), a gene that enables cell migration and metastasis. This process, called epithelial-to-mesenchymal transition (EMT), allows cancer cells to spread to bones and other parts of the body.
Smart food marketers can use price reduction and discounts to encourage the consumption of healthy foods, while also maintaining profitability. The study's findings suggest that meal discounts for diet drinks and loyalty programs for milk, juice, or water instead of sugary drinks can be effective strategies.
Researchers explore sunlight reduction methods in a computer model that considers emissions' effect on climate. The analysis shows a fundamental connection between the need for emissions reductions and the potential need for solar dimming. Climate sensitivity is a crucial factor in determining how much sun blocking might be needed.
Researchers from the University of Alberta uncovered unique Martian atmosphere gases trapped in a meteorite, providing insights into Mars' history. The Tissint meteorite sample suggests water was present on Mars but lacks evidence of life.
Hadrosaurs, herbivorous dinosaurs from the late Cretaceous period, had a complex tooth structure with six tissues instead of two. The discovery was made possible by collaborations between paleontologists and engineers using advanced testing tools.
A study by researchers at the University of Illinois Chicago found that white non-Hispanic construction workers in Illinois receive higher workers' compensation settlements compared to Hispanic or black workers with similar injuries and disabilities. The disparity amounted to approximately $6,000 more for white non-Hispanic claimants.
A new study by Arnold Barnett finds that subway and rail commuters are twice as likely to be killed in a terrorist attack as frequent flyers. The risk is even higher per mile traveled, with subways being ten times more deadly than air travel.
A new transparent solar cell has been developed that produces energy by absorbing mainly infrared light, making the cells 66 percent transparent to the human eye. The panels could be used in smart windows or portable electronics.
A large international study has identified 21 new gene variants associated with risks of heart disease and metabolic disorders. The findings expand the list of potential targets for drugs and other treatments for lipid-related cardiovascular disease, a leading global cause of death and disability.
A study by the University of Iowa found that infants who form a secure relationship with either parent during the first two years of life are less likely to experience emotional and behavioral problems later on. The researchers discovered that being attached to one parent is just as beneficial as being close to mom, and that this bond ...
Researchers studying fruit fly genomes reveal strong evidence of pervasive natural selection, contrasting with human genome adaptation over the last 100,000 years. The study provides new insights into the forces shaping genetic variation and has implications for understanding human genetic variation.