Researchers suggest forgetting memories due to environmental feedback and predictability, rather than decay. This 'natural forgetting' can be beneficial for decision-making and behavior, and may even be reversible in certain circumstances.
This article discusses the 100-year-old concept of pecking order dominance hierarchies in animals, with researchers Elizabeth Hobson and Eli Strauss exploring its relevance to human behavior. The study highlights that dominance often relates to circumstance and opportunity rather than genetics or size.
A study led by the Institute for Systems Biology found that unvaccinated pregnant people with COVID-19 are more likely to have poor birth outcomes, including preterm birth and stillbirth. The risk of these outcomes is particularly high for infections during the first or second trimester.
Researchers have discovered that heart disease causes early brain dysfunction, leading to reduced blood flow and increased risk of dementia. A combination of heart disease and a genetic predisposition for Alzheimer's Disease also trebles the amount of beta-amyloid protein in the brain.
A study of over 800 hospitals found that people experiencing incarceration or homelessness had increased COVID-19 hospitalization rates and longer hospital stays compared to the general population. This highlights the vulnerable status of these groups during the pandemic.
Researchers have identified a previously unknown gene, goldentouch, responsible for the golden coloration in Midas cichlids. The gene, found on chromosome 11, is present in two variants: one associated with dark coloration and the other with orange/yellow coloration.
A new study reveals that unstructured proteins can break down tightly packed genes by forming a three-way complex with histones and DNA. This finding challenges the long-standing view of protein function and has significant implications for our understanding of biology and disease.
Researchers developed a novel polymeric nanoparticle that selectively binds to fibrinogen in human plasma, offering a simpler and less expensive way to manufacture fibrinogen concentrate. This breakthrough could lead to the creation of more efficient fibrinogen-specific affinity reagents for drug development.
Native fish populations are declining due to lack of natural flow, making conservation efforts challenging. The study highlights the importance of protecting rivers with natural flow regimes to sustain native fish and their habitats.
A study in Berlin found that urban areas can provide suitable habitat for bats if certain conditions are met, including low artificial light and access to vegetation and water bodies. The research involved over 200 citizen scientists and revealed that features of the urban landscape influenced the presence of bats.
Researchers aimed to tackle racial disparities in prostate cancer by targeting educational interventions to populations at highest risk. A study in Philadelphia neighborhoods found that prostate-specific education improved knowledge and intention to screen, with similar effects on control groups.
A new study from the Mayo Clinic finds that people who vape and test positive for COVID-19 are more likely to experience common symptoms such as headaches, muscle aches, and chest pain. The study also shows that those who vape and smoke tobacco have labored breathing and more frequent emergency department visits compared to non-vapers.
The discovery of an exomoon signal in archival data has sparked hope that big moons are common in planetary systems. Astronomer David Kipping and his team reported the finding, which could confirm the existence of a super-sized moon orbiting Kepler 1708b.
A team from Tokyo Medical & Dental University has created a jigsaw-shaped peptide that functions as an extracellular matrix for injured tissue regeneration. The peptide's ability to incorporate and release growth factors stimulates cell growth and vascular formation, showing promise in regenerating tissues.
Researchers at Brown University propose a new explanation for the Moon's lack of a strong magnetic field, suggesting that sinking rock formations could have intermittently generated strong magnetic fields. This process could have occurred over the first billion years of the Moon's history, producing intermittent strong magnetic fields.
A recent HSS study analyzed trends and complications in patients undergoing outpatient hip and knee replacements, finding no significant difference in readmission rates for hip replacements but slightly higher odds for knee replacements. The study suggests same-day discharge joint replacement is safe but requires additional monitoring.
Researchers discovered how different tissues respond to exercise at various times of day, influencing sleep, memory, and metabolic homeostasis. The 'Atlas of Exercise Metabolism' provides a comprehensive map of exercise-induced signaling molecules present in different tissues following exercise.
A recent study highlights the need for inclusive forest conservation policies that learn from past mistakes. The researchers argue that top-down approaches can be harmful and accelerate deforestation, instead recommending local social impact assessments and indigenous involvement in policy-making.
Researchers have developed a new text-based analytics model that analyzes firms' tailoring of investments to their portfolio of products, using the four-stage product cycle. This framework provides insights into how firms exploit investment opportunities, including disclosure patterns and strategic alliances.
Researchers identified 40 peptide pairs with potential cross-reactivity between BCG vaccination and SARS-CoV-2, offering a new strategy to complement existing COVID-19 vaccines. These peptides can induce T cell responses and INF-γ production, providing long-lasting immunity against viral infections.
Researchers found that four species of Gentian flowers respond to mechanical stimulation with rapid corolla contraction and full closure. This phenomenon may serve as an induced defense or a pollination stimulator, allowing the flowers to control interactions with potential pollinators like bumblebees.
A new study by Sean Kennedy found that corporate sustainability efforts to adapt to climate change actually increase the vulnerability of small cocoa farmers in Indonesia. The researchers' strategy transfers climate-related risks from chocolate manufacturers to the farmers.
Researchers found that half of Pseudomonas syringae strains benefited from the presence of aphids, but only the honeydew itself boosted bacterial populations. The study suggests using this phenomenon to develop alternative pest control methods.
Researchers found that our brains consolidate visual input every 15 seconds into one impression, helping us handle everyday life. However, this delay can also lead to negative consequences, such as missing critical information in high-stakes situations.
A study found that SIRT2 activation by PM2.5 exposure triggers airway inflammation, bronchial hyperresponsiveness, and organ damage in mice. Triptolide inhibition of p65 reduced PM2.5-induced effects, suggesting a novel therapeutic strategy against PM2.5 toxicity.
Researchers use ALMA and VLA to detect chaotic dust and gas streams caused by an intruder object interacting with the binary protostar. The study provides evidence of flyby events in nature, which can dramatically perturb circumstellar disks and impact planet formation.
A study by Tulane University found that swapping just one serving of beef per day for a more planet-friendly alternative can reduce greenhouse gas emissions by up to 48% and water-use impacts by 30%. This simple change could collectively make a substantial difference in reducing the carbon footprint of US diets.
Researchers at Karolinska Institutet have identified a specific gene variant that protects against severe COVID-19 infection, found in individuals of African ancestry. The study analyzed 2,787 hospitalized patients and 130,997 people from six cohort studies, revealing an 80% prevalence of the protective variant among Africans.
A new tissue expansion method, eMAP, has been developed to improve neural imaging. It allows for the imaging of proteins at neural connections, enabling the measurement of their relative distances and abundance. The technology facilitates high-throughput analysis and enables multiscale imaging of synapses along whole neuronal branches.
A new study found that early human foragers and farmers adopted a high-risk, high-reward strategy to find food, spending more energy but bringing home nutritious meals that could be shared with their group. This allowed them to rest or engage in other activities while food was being acquired.
A CHOP study found that infants born via uncomplicated cesarean delivery have a low risk of early-onset sepsis and should not receive antibiotics at birth. The study's findings could help clinicians tailor antibiotic use in newborns, reducing complications and unnecessary treatment.
Current declines in mammal and bird species have reduced plants' ability to track climate change by 60% globally. Habitat connectivity and large-bodied animal recovery are crucial for supporting seed dispersal and plant resilience under climate change.
The Rare Disease COA Consortium aims to optimize COA selection during medical product development for rare diseases. The consortium will identify and describe potentially fit-for-purpose publicly available COAs, reducing the time and cost associated with developing new ones.
Researchers have pinpointed a gene in E. coli ST131 that makes it highly resistant to antibiotics, leading to new treatment strategies and improved tracking of emerging resistance. The study aims to create better treatments to stop deadly E. coli infections.
A global study by the University of Colorado Boulder found that people are more likely to support COVID-19 policies when presented as backed by nonpartisan scientific experts rather than politicians. This suggests that trusted experts may have the power to unify public opinion and depolarize it.
A recent study published by the American Psychological Association found that new mothers who perceive themselves as lower in social status have worse health outcomes one year after childbirth. The study highlights the importance of subjective social status in maternal health disparities.
Selling handmade goods on platforms like Etsy increases individuals' happiness, regardless of profit margins. The non-economic value of sales stems from the positive signal it sends about one's skills and competence.
A new international study found that older age, pre-existing chronic conditions, and symptom duration are key risk factors for severe COVID-19 outcomes in children. The study also revealed that healthy-looking children rarely deteriorate significantly after their initial emergency department visit.
Three newly-discovered gas giant planets have extremely short orbits around subgiant or giant stars, with one planet TOI-2337b destined for consumption in less than 1 million years. The study's findings suggest chaotic planet-to-planet interactions and unpredictable heating rates, offering new insights into planetary system evolution.
The Feed the Future Insect-Resistant Eggplant Partnership will accelerate the application of biotechnology to enhance food and nutritional security in Bangladesh and the Philippines. The project aims to reduce pesticide use and improve farmers' livelihoods through the development of locally adapted eggplant varieties.
Researchers at Sanford Burnham Prebys have received a $3.6 million grant to study antibiotic resistance, employing an innovative approach known as the 'evolution machine.' This project aims to shed new light on how bacteria develop resistance and inform more precise antibiotic prescribing practices.
Researchers from Northwestern University and the University of Michigan have discovered a way to break symmetry in colloidal crystals, creating new materials with unique optical and catalytic properties. The breakthrough uses electron equivalents and advanced microscopy techniques to control valency and create low-symmetry structures.
A new study found that aging and disease alter body temperature rhythms in mice, mirroring the disruption seen in humans. In young, healthy mice, daytime temperatures were lower than nighttime temperatures, but this difference disappeared in older, diseased animals.
The WHO recommends baricitinib for patients with severe COVID-19, improving survival and reducing ventilation needs. Sotrovimab is recommended for non-severe cases in high-risk patients, providing a trivial benefit against hospitalization.
A successful intervention combining education and workflow increased primary care screenings for geriatric conditions, improving attitudes towards older adults. The program leveraged teamwork to integrate these important screenings into care delivery, resulting in significantly higher screening rates.
A University of Calgary study found that hydroxychloroquine slows worsening of disability in people with primary progressive multiple sclerosis. The experimental trial involved 35 participants and showed promising results for the generic drug.
Women with COVID-19 at end of pregnancy face birth-related complications, preterm births and stillbirths. Vaccination in pregnancy crucial to protect women and babies from preventable Covid-19 complications.
Researchers have discovered a giant gas planet, TOI-2180 b, with a diameter comparable to Jupiter's and a mass nearly three times that of Earth. The planet is also believed to contain 105 times the mass of elements heavier than helium and hydrogen.
A new study found that climate-driven changes in ocean temperatures have shifted tiger shark movements outside of protected areas, making them more vulnerable to commercial fishing. The study's results suggest that warmer waters are now suitable for tiger sharks, allowing them to migrate farther poleward and earlier than usual.
A study by CNRS and partners found that policies like replacing wood heaters with modern stoves and reducing motor vehicle traffic can meet health objectives while generating significant economic benefits. The analysis shows that such measures could lead to an annual benefit of €629 per capita, outweighing the cost.
A new study by the University of Exeter found that 13% of people who tested positive for COVID-19 on standard PCR tests remained clinically relevant for the virus beyond 10 days. This could pose a risk of onward transmission, and the authors recommend applying the newly adapted test to settings where vulnerable individuals are present.
The Cardiovascular Research Foundation (CRF) will host THT 2022 from February 1-2, 2022. The conference features new and emerging treatments for heart failure, including transcatheter approaches and innovative monitoring strategies.
Researchers developed a data-guided combinatorial synthesis strategy and computational modeling to identify promising high entropy alloys for electrocatalysis. The method enables the exploration of atomic scale effects on catalytic activity, providing insights into composition-activity-stability trends.
Researchers at La Jolla Institute for Immunology found that macrophages in artery walls can sense octanal, leading to inflammation and atherosclerosis. By blocking this detection, they reversed disease progression. Further research is needed to explore the role of olfactory receptors in cardiovascular diseases.
A new study finds that US power plants prioritize reducing input cost variance over minimizing expected total costs, resulting in longer coal contracts and higher contract prices. The researchers estimate that if all power plants purchased coal from the spot market, the annual aggregate cost savings would be $2.9 billion.
The FUN-BioCROP model predicts effects of plant choice and agricultural management on soil carbon storage, slowing climate change. By using bioenergy from plants, less carbon dioxide is emitted into the atmosphere, resulting in a more sustainable energy source.
Scientists from GIST developed a photoswitchable catalyst that deactivates upon UV light exposure, facilitating controlled chemical reactions. The research paves the way for sophisticated synthesis mechanisms in chemistry and applications like photolithography.
Researchers create complex colloidal crystals by using smaller nanoparticles that simulate electrons, breaking symmetry and enabling new materials with tailored properties. The study reveals three low-symmetry structures with no known natural equivalents, offering opportunities for advanced applications in photonics and catalysis.
Researchers at FAU are developing an affordable, disposable self-testing HIV-1 chip that can detect HIV from whole blood samples and measure viral load without refrigeration or skilled technicians. The technology aims to increase access to HIV testing and improve treatment outcomes in any setting.
Researchers have discovered the earliest known ant mimics in mid-Cretaceous Kachin amber, extending the geological range of myrmecomorphy by approximately 50 million years. The study found that these ancient organisms closely mimic different hymenopteran models during different stages of development.