A new study reveals that the oral microbiome of ancient humans and Neanderthals is surprisingly similar, with some bacterial strains shared between species. The analysis of fossilized dental plaque also suggests that early humans consumed starch-rich foods, potentially contributing to brain evolution.
Researchers at KU Leuven developed a 3D printing technique for advanced diagnostic tests that can detect various biomarkers, including allergies and cancer. The new tests are quick, affordable, and easy to use, offering opportunities for cheaper diagnosis in both developed and developing countries.
Scientists at Cold Spring Harbor Laboratory have created a new tool called BARseq2 that uses genetic tags to label brain cells and trace thousands of brain circuits simultaneously. This allows researchers to examine the complex interactions between neurons, enabling a better understanding of brain function and behavior.
A new AI-based scoring model for testis images has been developed to assess patients with severe male infertility, simplifying the diagnosis process. The model achieved high accuracy in classifying histological images of the testis, with an average precision of 82.6% and recall of 60.96%, without requiring programming expertise.
Scientists at Graz University of Technology are producing biodegradable materials from wood components to combat climate change. They aim to create plastic-free and recyclable paper packaging with improved barrier properties.
A study published in the International Journal of Obesity found that men prenatally exposed to the Dutch famine of 1944-45 were 30% more likely to be overweight with a BMI of 25 or over at age 19. The researchers speculate that changes in DNA methylation may contribute to this increased risk.
Researchers at Rice University have developed a new implant technology that allows for coordinated stimulation therapy for spinal cord and heart conditions. The system uses wireless magnetic fields to power and program multiple implants from a single transmitter outside the body. This breakthrough enables more efficient treatment optio...
A recent study reveals that up to 50% of contaminants reach groundwater before degrading through focused recharge, posing a significant challenge for water and land use management. Focused recharge can lead to higher levels of pollutants in groundwater, exceeding maximum permissible concentrations in Europe.
Scientists create new approach to measure error components, finding more than half of total error variance attributed to misplacement of weather features. The study also reveals that displacement errors dominate structural inaccuracies in forecast fields.
A recent study analyzed 124 dental biofilm metagenomes from various primate species, revealing 10 core bacterial genera that have been maintained throughout African hominid evolution. These microbial groups played a key role in oral biofilms for over 40 million years and adapted to starch-rich diets early in human evolution.
Scientists have discovered a way to modify the energy landscape of 2D materials by arranging them in a 3D configuration, creating parallel worlds with unique properties. This new arrangement, known as a nanomesh, has strong nonlinear optical properties and opens up possibilities for quantum computing and communication applications.
Researchers at Penn Medicine discovered a new mechanism of lung tissue regeneration in infant lungs, where alveolar type 1 cells reprogram into alveolar type 2 cells after injury. This finding could impact the development of regenerative lung therapies and explain why COVID-19 affects children differently than adults.
A new study published in JAMA Network Open suggests that extended-release formulations of buprenorphine may improve treatment satisfaction for patients with opioid use disorder. The study found that the extended-release injection was well-tolerated and produced more positive patient-reported outcomes compared to daily oral buprenorphine.
Researchers propose targeting viral RNA with cylindrically-shaped molecules to block replication, effective against SARS-CoV-2 and HIV viruses. The approach could lead to broad-spectrum anti-viral drugs and provide a first line of defence against future pandemics.
A new study suggests that CDK4 and CDK6 inhibitors can improve immune-cell therapies for treating recurrent ER-positive metastatic breast cancer. The study found that these inhibitors cause breast tumors to secrete chemokines that attract T cells, improving patients' response to cancer immunotherapies.
Researchers used OCT angiography to image patients with sickle cell retinopathy and found that sequential imaging can help assess disease progression and treatment effectiveness. The study showed that untreated patients had more flickering blood vessels, indicating a higher risk of permanent blockage.
A recent study by the Max Planck Institute for Empirical Aesthetics investigates the readership of erotic novels, uncovering surprising insights into the motivations and experiences of readers. The majority of participants found that reading erotic novels provided a sense of relaxation and ease, while also being emancipated and feminist.
A new study has found Per- and polyfluoroalkyl substances (PFAS) in endangered Australian sea lions and fur seals, with high concentrations detected in newborns. The presence of PFAS poses a threat to the species' survival, as well as potential risks to humans through contaminated seafood and water.
A Columbia University team designed a high-performance implantable system that can read and modify brain signals, suppressing pathological coupling in epileptic animal models. The multiplex-then-amplify (MTA) system enables simultaneous stimulation of arbitrary waveforms on multiple independent channels.
A recent study found that gifted programs for high achievers are not adequately serving Black and low-income students, with modest academic achievement gains and little impact on engagement or attendance. The researchers suggest diversifying curriculum and structure to better meet the needs of diverse student populations.
Researchers confirm presence of two distinct but interbreeding species of caecilians on São Tomé island. The study suggests that volcanic activity may have driven the divergence of the limbless amphibians around 300,000 years ago.
Researchers from USTC extended optical memory storage time to over one hour using ZEFOZ-AFC method and dynamical decoupling, achieving high storage capacity and fidelity. The study meets basic requirements for optical storage lifetime in quantum memories.
A recent study published in Nature Climate Change warns that flash flood risk may triple across the Third Pole due to global warming. The study found that one in six glacial lakes pose a high to very high risk to downstream communities, with potential transboundary natural disasters expected to increase.
Cancer immunotherapy using acoustics-based therapies has shown synergistic effects, enhancing the autogenous immune response to cancer tissue. Detailed mechanisms of sonopyrolysis-, sonoporation-, and sonoluminescence-based therapy are discussed to demonstrate its potential in cancer treatment.
A nationwide survey found a diverse group of college students interested in trying hunting, unlike current active hunters. The study identified key motivators, such as getting ethically sourced meat and ecological conservation, to attract new hunters.
Research found that captive pelicans bred successfully on repeated occasions when they were free to choose their own friendships. The flock formed a social structure, with sub-adults spending more time with each other than adults.
A ceremonial tsantsa was authenticated and repatriated to Ecuador in 2019, with researchers confirming its origins using CT scans and assessing 33 criteria. The artefact's unique features, such as a distinctive hairstyle and three holes in the lips, matched those of SAAWC culture group members.
Researchers discover how cancer cells reorganize DNA in 3D structure to ramp up activity of cancer-promoting genes. Epigenetic marks alter chromosome structures, leading to novel local interactions and over-expression of oncogenes.
Point-of-care ultrasonography significantly improves diagnostic accuracy in patients with acute dyspnea, allowing for quicker diagnosis and treatment initiation. The technology involves mobile ultrasound devices that enable rapid scanning of multiple organs, including lungs, hearts, and leg veins.
Researchers at TU Wien simulate single-celled organism movement using artificial intelligence and a physical model, revealing how it achieves chemotaxis despite lacking a nervous system. The virtual organism learns to direct its movement through a simple control network, similar to biological evolution.
Two new studies show that whale-watching vessels frequently disregard legal guidelines, chasing whales, getting too close to calves, and forcing changes in behavior. Researchers also found that tourist boats surround a single mother and calf, highlighting the need for better conservation efforts.
A new study reveals that thousands of sharks have been caught illegally in a Marine Protected Area (MPA) in the Indian Ocean, threatening critically endangered species like oceanic whitetip and scalloped hammerhead. The MPA was found to be vulnerable to enforcement due to its large size and remote location.
Researchers have discovered new ultra-stable, high-power cavity solitons that combine the advantages of pulse trains generated by pulsed lasers and passive resonators. These hybrid solitons offer a solution for applications requiring both energetic and stable pulses, such as LiDAR.
A study analyzing hydrogen isotopic composition of marine sediments found interglacial summer warmth influences Greenland Ice Sheet (GIS) retreat more strongly than maximum temperatures. This research suggests persistently high summer temperatures will be more harmful to the ice sheet's long-term stability under climate change.
Researchers at University of California San Diego School found that controlling cholesterol in microglia can alleviate chronic pain, a common side effect of chemotherapy. They developed a novel therapeutic approach using a modified version of apoA-I binding protein to reverse the harmful effects of excessive cholesterol.
A recent study found that plant scientists tend to favor visually striking plants in their research, regardless of ecological importance. The study analyzed 113 plant species and found a strong correlation between research focus on certain plant characteristics and attention.
New research shows that higher levels of ultra-processed food in childhood are associated with an increased risk of childhood obesity, as well as alterations in the metabolome. The study found that a diet high in ultra-processed foods is negatively associated with certain biomarkers, such as docosahexaenoic acid and omega-3 fatty acids.
New research published in JNeurosci found that brain areas active while viewing pictures of hands also encode if a 3D tool is held properly. This challenges current understanding of how the brain controls hand movement and could improve brain-machine interfaces for prosthetics.
The American Geriatrics Society has welcomed 15 new fellows who demonstrate a deep commitment to advancing high-quality, person-centered care for older adults. The new fellows have made significant contributions to education, clinical care, and research in the field of geriatrics.
Scientists discovered esophageal cancers reactivate ancient retroviruses hidden in the human genome, which can make cancer more susceptible to immunotherapy. Researchers found a specific enzyme called ADAR1 degrades toxic double-stranded RNAs produced by ERV expression, and inhibiting it may enhance treatment efficacy.
Research shows that abdominal obesity is a stronger predictor of severe COVID-19 symptoms, as measured by chest X-ray results. Patients with waist circumference above normal limits had significantly higher X-ray scores and were at 75% increased risk of worse outcomes.
A new study estimates that US food production is responsible for 16,000 annual deaths due to poor air quality, primarily from animal production. Improving animal and crop management practices, as well as eating more plant-rich diets, can substantially reduce mortality from food-related air pollution.
UNIST has been honored with iF Design Awards 2021 for ten outstanding design products and concepts. The award-winning designs, led by Professors Hwang Kim and KwanMyung Kim, have showcased innovative solutions in healthcare, smart safety helmets, and digital services.
A groundbreaking study has identified IL-17 cytokine as the primary culprit behind excessive lung inflammation in TB patients. By targeting this pathway, doctors may be able to reduce disease harm and speed up patient recovery.
A new University at Buffalo study uses ocean-bottom sediments to learn about ancient summer temperatures in southern Greenland, revealing that prolonged warmth may be disastrous for the Greenland Ice Sheet. The findings hold a message of caution as the world warms again today, with potential long-lasting effects on Earth's temperature.
Researchers have improved a method to prevent human parainfluenza virus attachment to cells, leading to 30% to 40% of childhood respiratory illnesses. The new peptide is more effective and persistent in rodent models.
Rice University scientists attribute Earth's nitrogen to rapid growth of moon- to Mars-sized bodies. The study shows that the competition between accretion and differentiation determines the retention of volatile elements like nitrogen.
A new study found a decrease in major abdominal surgeries among older adults, except for certain procedures like pancreatic cancer. The study suggests improvements in medical treatments and cancer screening may reduce the need for invasive surgeries.
Researchers tracked antibiotic resistance in E. coli over 16 years, finding rapid increase in multi-drug resistant strains. The study highlights the importance of tracking resistant bacteria to prevent their spread and improve treatment options.
Researchers create an experimental configuration to produce controlled detonations, producing supersonic waves and high-pressure triple points. The setup enables stable and unstable detonation waves, paving the way for ultra-high-speed propulsion systems.
A global network of researchers has developed protocols for producing large quantities of SARS-CoV-2 proteins in high purity and stability. This allows laboratories to quickly and reproducibly study the virus and its mutants, facilitating research into potential treatments and vaccines.
Researchers at Iowa State University have developed a vaccine targeting the SARS-CoV-2 receptor-binding domain to induce potent antibody responses in mice. The approach is relatively easy to produce and scale up, offering advantages over existing vaccines.
Research at the University of York shows that Gene Conservation Units can help protect biodiversity, particularly for cold-adapted butterflies and plant species. A survey of conservationists and land managers found that GCUs could appeal to land managers as a way to conserve species and genetic diversity.
A study found that watching meaningful films like 'Hotel Rwanda' can make people feel more prepared to deal with life's challenges. These films are associated with positive reactions such as feeling a sense of purpose and being motivated to pursue significant goals. The key elements of these films, including poignancy and emotional ran...
A study of historical equatorial auroral records from Seoul, South Korea, suggests that the West Pacific Anomaly may be an analog to the current South Atlantic Anomaly. The record shows strong fluctuations centered around 1590 and 1720, indicating changes in regional magnetic field strength not captured by current geomagnetic models.
A new study challenges claims of declining global sperm count, citing a 'biovariability framework' that suggests natural variation is the norm. The research aims to contribute to discussions on reproductive health and challenge racist assumptions in sperm count studies.
The latest WHO report reveals high rates of childhood obesity in Europe, with Mediterranean countries showing the highest prevalence. The pandemic is expected to negatively impact childhood obesity levels due to reduced access to school meals and physical activity.
Researchers found that shallow wastewater injection is linked to widespread deep earthquake activity in the Delaware Basin. The study used data analytics and computer modeling to mimic fluid extraction from shale reservoirs and identified a causal link between deep stress increases and shallow fluid injection. This finding has signific...
Three manatee species share a common ancestor after the Amazon Basin was formed, with genetic data showing adaptation to environments influenced their evolution. The research adds new information on the evolutionary history of aquatic mammals, shedding light on how geological events shaped their distribution.
A new global atlas of ungulate (hoofed mammal) migrations will help stakeholders identify threats and create conservation measures to sustain them. The initiative, partnering with the UN's Convention on Migratory Species, aims to raise awareness globally of the issues faced by ungulates.