Researchers have found exceptionally well-preserved fossil insects in the French equivalent of the Tithonian Konservat-Lagerstätte, comprising a new species representing the oldest known water treader. The fossils provide crucial insights into the evolution of terrestrial environments during the Upper Jurassic period.
A new Oxford University study reveals differences between individual primate brains linked to their social status, with larger brain regions associated with dominance and subordination. The research also found that brain activity patterns vary with position in the social hierarchy.
A recent Cornell University study reveals that anticipation of experiences, like travel or concerts, can boost happiness levels. In contrast, waiting for material goods tends to lead to frustration and poor behavior.
A new study estimates the pre-human extinction rate to be 0.1 extinctions per million species per year, 10 times lower than previously thought. This means the current rate is 100 times worse, with extinctions occurring 1,000 times more frequently than in the past.
Researchers at Walter and Eliza Hall Institute have made a groundbreaking discovery that could lead to the development of new antimalarial drugs by repurposing an existing antibiotic called emetine. The study revealed how emetine blocks the molecular machinery required for malaria parasite survival, offering a promising approach to com...
A team of scientists from Lund University has successfully created artificial cell membranes on vertical nanowires, mimicking the curved shape of natural membranes. This breakthrough could lead to new insights into membrane dynamics and target protein interactions in pharmaceutical research.
The University of Houston's CMCD program aims to reduce student disruptions and increase instruction with research-based classroom management strategies. The four-year study will focus on third and fourth-grade students in 30 elementary schools, exploring the effectiveness of CMCD interventions.
A recent study analyzing bariatric surgery data in Michigan reveals a significant shift towards sleeve gastrectomy (SG) as the most commonly performed procedure. SG became the predominant bariatric surgery procedure for patients with type 2 diabetes and its use increased by 61% between 2008 and 2013.
Researchers found that puerarin, a natural compound, activates growth-associated protein 43 in the spinal cord after sciatic nerve injury, contributing to neural regeneration. The study published in Neural Regeneration Research suggests a potential therapeutic role for puerarin in peripheral nerve injuries.
Researchers develop a novel approach to synthesize molecules in diseased cells, targeting RNA repeats and demonstrating potent inhibitors for myotonic dystrophy. This breakthrough could lead to highly specific treatments for various debilitating diseases.
Researchers at Rockefeller University identified the molecular mechanisms of the stress gap in mice with similar genetic backgrounds. The findings suggest potential new markers for stress-related disorders and a promising route to developing new treatments.
Researchers used leaf vein density to study stratified forests with canopy-dominant flowering plants. They found that venation density is higher in leaves from the forest canopy and decreases towards lower levels. This pattern suggests that flowering plants emerged in the upper forest canopy by the Paleocene, around 58 million years ago.
A new study demonstrates the power of data in improving care transitions by increasing clinical information sharing, hospital clinician contact information exchange, and notification of hospitalization rates. As a result, Rhode Island's overall readmission rate decreased significantly.
Researchers cooled singly charged aluminum monohydride molecules from room temperature to 4 degrees Kelvin in a fraction of a second, stopping their rotation. This breakthrough technique could lead to new applications in ultracold quantum-controlled chemistry and fundamental constants testing.
A recent study on a cooperative bird species found that dominant birds, who work harder and take on more responsibilities, experience weakened antioxidant protection after a breeding season. This suggests that unequal sharing of workloads in societies may leave the hardest-working individuals at risk of poor health and accelerated ageing.
Research at Arizona State University and University of Washington found evidence of gender-based gaps in biology classroom achievement and participation. Female students scored 2.8% lower on exams than males with similar GPAs, and males were more likely to respond to questions.
Researchers found that the dorsolateral prefrontal cortex plays a causal role in enabling honest behavior, suggesting a tradeoff between self-interest and integrity. Participants with damaged areas showed less aversion to lying, but still preferred honesty in certain situations.
A study from North Carolina State University found that non-native Asian camel cricket species have spread into homes across the eastern United States. The greenhouse camel cricket was found to be the most common species reported by respondents, with a significant presence in yards east of the Mississippi River.
A new framework by Aaron Stutz reveals that the human population explosion was rooted in ancient political and economic organization, with a tipping point around 1,500 years ago. This insight offers a fresh perspective on modern-day population dynamics and potential consequences for society.
Rice scientists have made crucial contributions to understanding its complex agronomic traits by employing a genetics-based strategy. The study has identified key genes involved in shoot architecture, leaf development, and grain quality, shedding light on the molecular mechanisms underlying these processes.
Researchers compared ultrathin strut sirolimus-eluting stents to thin strut everolimus-eluting stents, finding similar target lesion failure risks. A meta-analysis of β blocker therapy in heart failure with atrial fibrillation found no significant benefit over rate-control medications.
A single nucleotide change in the FMR1 gene near its replication origin may cause fragile X syndrome by inactivating DNA replication. This substitution leads to increased risk of repeat expansions, resulting in intellectual disability.
A new study finds that home monitoring of implantable cardiac defibrillators (ICDs) has a comparable cost to traditional in-office monitoring. However, significant variations in insurance reimbursement across European countries impact the adoption of this practice.
A McGill study found that family meals can reduce the negative impacts of online bullying on adolescent mental health. Cyberbullying victimization was linked to higher rates of depression, anxiety, and substance use among adolescents with fewer family dinners.
A study of 94 undergraduate students found that viewers who watched an excerpt from a Hollywood action film ate 98% more grams of food and 65% more calories than those watching an interview program. The authors suggest that the distracting content of action films may lead to decreased attention to eating and increased food consumption.
Researchers discovered a regulatory element controlling gene Cdx2's function, crucial for embryonic and extraembryonic cell lineages. This finding helps understand early specification of trophectoderm, essential for mammalian development.
A new study published in the Journal of the American College of Cardiology found that abdominal fat is more strongly associated with high blood pressure risk than overall obesity. The research, which followed 903 patients for seven years, discovered a significant correlation between retroperitoneal fat and hypertension.
The FAME 2 trial found that FFR-guided drug-eluting stenting significantly reduced major adverse cardiac events compared to medical therapy in patients with stable coronary artery disease. The rate of death, MI, or urgent revascularisation was lower with PCI than MT.
Researchers at UC Irvine and UC Merced found that increased high-elevation plant growth fueled by climate warming could lead to a significant decrease in river flow. The study suggests that this effect could be widespread across the Sierra Nevada region.
The US diet quality improved modestly from 1999 to 2010 due to reduced trans fat intake and increased consumption of whole grains, fruits, and nuts. However, the gap in dietary quality between rich and poor widened over time, with lower SES groups struggling to keep pace.
A new study found that early administration of ticagrelor, an anti-clot medication, in the ambulance may prevent stent thrombosis in heart attack patients. The ATLANTIC study showed a significant reduction in stent thrombosis at 24 and 30 hours in the ambulance treatment arm compared to the in-hospital treatment arm.
Researchers found that neurons in human skin can process geometric data about touched objects, performing calculations similar to those done by brain neurons. This allows the skin to send more detailed information to the brain before further processing.
Researchers have devised a genetic barcode that can identify different types of tuberculosis (TB) bacteria, allowing doctors to track the spread of the disease more effectively. The study found that just 62 mutations are needed to code the global family of strains, making it easier for scientists to map how TB moves around the world.
Research in over 6,000 patients found that permanent atrial fibrillation doubles the risk of stroke compared to paroxysmal AF. The study suggests that a simple clinical assessment of the type of AF can help doctors estimate stroke risk more accurately.
A seven-year study of nearly half a million people in China found that daily fruit consumption significantly reduced the risk of cardiovascular disease, including ischemic heart disease and stroke. The more fruit eaten, the lower the CVD risk, with significant reductions also seen in blood pressure.
The RELAX-AHF trial found that serelaxin reduced the occurrence of worsening heart failure within the first 5 days of admission by 12.2% compared to 6.7% in placebo groups, resulting in a significant reduction in repeated episodes of worsening heart failure and hospitalization length.
Researchers at MIT developed an analytic framework that enables the analysis of GPS data on 150 million cab rides in New York City. They found that if passengers were willing to tolerate delays of five minutes or less, almost 95% of trips could have been shared.
Experts argue that OEF is essential for reducing earthquake risk by providing authoritative information to policymakers and the public. Key findings include the potential for significant changes in earthquake probabilities over time, influenced by local seismic activity.
A Singaporean birth cohort study found that six-month-old bilingual infants outperformed monolingual peers in recognizing familiar images and paying attention to novelty. This suggests a generalized cognitive advantage that emerges early in bilingual children, which may have implications for their future pre-school developmental outcomes.
A new diagnostic technique using Fractional Flow Reserve (FFR) measurement has shown that it can help avoid stents or surgery in over one-fifth of heart attack patients. The study found that patients with FFR values above 0.80 can be safely treated medically, without the need for coronary revascularisation surgery.
A new study reveals that bats process complex spatial information by dynamically adapting their brain maps to external factors. By enhancing neuronal signals for objects in close proximity, bats can magnify the appearance of nearby obstacles, enabling them to navigate safely.
The FOCUS Study found that patients taking a polypill had higher adherence rates compared to those receiving individual medications. The study identified factors contributing to non-adherence, including age, depression, and complexity of treatment.
Research suggests that consecutive earthquakes occurring seconds apart can amplify ground motion and impact structures, leading to devastating effects. The study used the 2012 Emilia seismic sequence to simulate a scenario of triggered end-to-end earthquakes along adjacent fault patches.
A low-carbohydrate diet is more effective than a low-fat diet in reducing body weight and cardiovascular risk factors. The study found that participants on a low-carb diet experienced greater decreases in weight, fat mass, and other cardiovascular risk factors compared to those on a low-fat diet.
A team of researchers used computer simulations to study how ion flux works in voltage gated sodium ion channels. The results revealed that a specific amino acid, glutamic acid, plays a crucial role in regulating channel flux and enabling selective sodium influx.
A new study found that complete revascularisation of all significantly blocked arteries leads to better outcomes in heart attack patients compared to only unblocking the culprit artery. Patients who underwent complete revascularisation had a lower risk of major adverse cardiac events, including death, recurrent MI, and heart failure.
A European study found that experimental agent TRO40303 was ineffective in preventing tissue damage when impaired blood flow is corrected in patients with acute ST-elevation myocardial infarction. The study suggests that high-quality modern care may leave little room for improvement in STEMI treatment.
A new weight loss program has been shown to reverse the addictive power of unhealthy food and increase preference for healthy foods. The study found that participants who underwent the program had increased sensitivity to healthy foods and decreased sensitivity to unhealthy foods.
A new generation of coronary artery stent combining a biodegradable component with an ultrathin scaffold showed promising results compared to the current gold standard. The trial demonstrated non-inferiority of the experimental stent, but superiority in patients presenting heart attack.
A new study by SEPTAL-CRT found that mid-septal RV lead placement in heart failure patients undergoing CRT results in similar outcomes compared to the conventional apical position. The study showed no differences in clinical outcome or implantation success rates between the two groups.
The ANTHEM-HF study shows significant improvement in left ventricular ejection fraction and 6-minute walk test distance with both left and right vagus nerve stimulation. However, the improvement was significantly less with left-sided VNS compared to right-sided VNS.
The XVIII International Botanical Congress meeting in Melbourne made significant decisions to update the International Code of Nomenclature for algae, fungi, and plants. The changes include electronic-only publication and use of English as an alternative to Latin in formal descriptions.
A recent study by Harvard T.H. Chan School of Public Health found that while US dietary quality has improved slightly since 1999-2000, it remains poor overall. The study revealed widening disparities in diet quality between socioeconomic and racial/ethnic groups, with those from higher socioeconomic status having healthier diets.
A study of over 18,000 students found that frequent family dinners were associated with lower rates of mental health problems in teenagers, particularly those who experienced cyberbullying. The research suggests that family dinners can provide a protective buffer against the negative effects of cyberbullying.
The SYMPLICITY HTN-3 trial found renal denervation to be safe, with no significant clinical benefit for lowering blood pressure in patients with resistant hypertension. The procedure resulted in similar blood pressure reductions as a sham procedure, casting doubt on its effectiveness.
A novel polypill with a fixed-dose combination of blood thinner, cholesterol-lowering drug, and angiotensin-converting-enzyme inhibitor shows promise in increasing patient adherence to treatment following a myocardial infarction. The study found that patients were more likely to take their medication when given as a polypill compared t...
A study published at Lund University found that spinach extract containing thylakoids reduces hedonic hunger by up to 95% and increases weight loss by 43%. The study showed improved appetite control, healthier eating habits, and increased weight loss in participants who took the thylakoid extract before breakfast.
A new study by Cornell University finds that action movies can increase food consumption and calorie intake, with participants eating 98% more snacks during an action movie than a talk show
The NOMI trial found that nitric oxide inhalation improved cardiac recovery, particularly in patients who had not previously received nitroglycerin. However, it did not reduce infarct size. The study suggests that further investigation is warranted for STEMI patients.
The TASTE trial found that thrombus aspiration for acute myocardial infarction (AMI) does not reduce mortality or other clinical endpoints long term. The one-year follow-up results revealed no statistically significant difference in death rates between patients who received clot aspiration and those who did not.