BioNoticias
1ª semana de noviembre 2024
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BioNoticias. Resumen de prensa semanal
Elaborado por la Biblioteca de Biología. Universidad de Salamanca
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Biología
Descubren una nueva entidad biológica que habita en el cuerpo humano
Un equipo internacional con participación del Instituto de Biología Molecular y Celular de Plantas ha descubierto en el microbioma humano una entidad biológica desconocida a la que han llamado ‘Obelisco’. Se trata de un nuevo tipo de agentes infecciosos más simples que los virus.
Las DANAS en el Mediterráneo son comparables a los huracanes tropicales, según un experto
Las DANAS (sigla de depresión aislada en niveles altos a orillas del Mediterráneo se han convertido en el fenómeno meteorológico "más peligroso" del país con efectos comparables a los huracanes tropicales, según el experto en climatología y expresidente de la Asociación de Geógrafos Españoles (AGE) Jorge Olcina.
La restauración de las playas compromete la conservación de su biodiversidad
Los ecosistemas costeros, en particular dunas y playas, se enfrentan a amenazas crecientes debido a la urbanización, el cambio climático y las prácticas de restauración y gestión ajenas las necesidades ecológicas de las especies presentes.
Un nuevo fósil de artrópodo ‘dorado’ se preserva en pirita de forma extraordinaria
Un equipo de investigadores, dirigido por Luke Parry del departamento de Ciencias de la Tierra de la Universidad de Oxford (Reino Unido), ha descubierto un nuevo y espectacular artrópodo fósil de 450 millones de años.
La impresionante capacidad de las pitones birmanas para consumir presas gigantes
Las serpientes ingieren a sus presas enteras, sin necesidad de masticarlas previamente.
Sorpresa jurásica: descubren el renacuajo más antiguo conocido
En enero de 2020, un grupo de paleontólogos argentinos y chinos se trasladó al sur de la Patagonia en busca de restos de dinosaurios.
El difícil camino de los mamíferos hasta poder andar erguidos
Los mamíferos, incluidos los humanos, destacan por su caminar erguido, una característica clave que impulsó su éxito evolutivo.
Los sonidos de las crías de aves no solo indican hambre, sino también su estado de salud
Un equipo científico del Instituto de Investigación de Recursos
Cinegéticos (IREC) y la Estación
Biológica de Doñana (EBD), centros pertenecientes al CSIC, ha realizado un estudio que revela que las señales que emiten los pollos de las aves para pedir alimento no sólo son indicadores de hambre, sino que también reflejan su estado de salud.
Los tiburones pintarroja recurren a los sustratos plásticos para desovar
El Institut de Ciències del Mar (ICMCSIC), en colaboración con la Universitat de València (UV), la Universitat de Barcelona (UB) y la Asociación Catsharks, ha descubierto que el tiburón pintarroja (Scyliorhinus canicula), una especie de manchas pequeñas nativa del Mediterráneo, está utilizando cada vez más los residuos plásticosparticularmente redes de pesca fantasma- como sustrato para poner sus huevos.
“Lo más destructivo que hay es hacer agricultura en zonas que no son muy fértiles”
Cuando les preguntó a sus alumnos si debía aceptar una invitación para dar una charla TED en Los Ángeles, ellos la convencieron para coger un avión y charlar durante 18 minutos sobre cómo alimentar a un mundo creciente sin arrasar con el planeta.
Revelado el misterio detrás de los patrones geométricos en la nariz de los perros
Un equipo de científicos de la Universidad de Ginebra ha desentrañado el enigma de los intrincados patrones poligonales que adornan la nariz de mamíferos como perros, hurones y vacas.
¿Por qué nos gustan tanto las patatas fritas? La respuesta está en el ADN antiguo
Nuestra atracción por las patatas fritas, la pasta, el pan o los dulces viene de un gen, responsable de la digestión del almidón en la saliva, que se duplicó cuando aún habitábamos en cavernas.
Moscas cambian de color en Nueva Zelanda por la acción humana
Las moscas de piedra nativas de Nueva Zelanda han cambiado de color en respuesta a los cambios ambientales provocados por los humanos, según muestra una nueva investigación.
Una especie de primate en Vietnam sobrevive bebiendo agua salada
Un primate exclusivo de Vietnam, el langur de Cat Ba, ha conservado rasgos genéticos clave que le ayudan a sobrevivir en un entorno aislado, incluyendo la capacidad de beber agua salada.
'Paleo-robots' to help scientists understand how fish started to walk on land
The transition from water to land is one of the most significant events in the history of life on Earth.
Paleontologists discover Colorado 'swamp dweller' that lived alongside dinosaurs
The new mammal lived in Colorado 70 to 75 million years ago a time when a vast inland sea covered large portions of the state, and animals like sharks, turtles and giant crocodiles abounded.
Co-culture system for sustainable cultured meat production
Cultured meat is grown from animal muscle cells, and animal serum is required to promote the growth of these cells.
Ethical framework aims to counter risks of geoengineering research
A new report says any research into large-scale interventions in Earth's climate system must be grounded in sound ethical principles so society can make informed choices about whether to deploy them.
Saving the bats: Researchers find bacteria, fungi on bat wings that could help fight deadly white-nose syndrome
Bacteria and fungi from the wings of bats could play a significant role in saving them from white-nose syndrome (WNS), a fungal disease affecting the skin of wings and muzzle, which has nearly wiped out vulnerable bat populations across North America.
Researchers use cryo-EM to identify what makes bacteria strong
Researchers have identified the first high-resolution experimentally determined structure in proteins that helps them survive harsh conditions such as radiation, heat and even the vacuum of space.
Crustacean with panda-like coloring confirmed to be a new species
Decades after it was first found in Japan, a crustacean species with unique black-and-white coloring resembling a panda has been confirmed to be new to science.
Breathing deep: A metabolic secret of ethane-consuming archaea unraveled
Scientists characterize novel enzymes from deep-sea microbes with a key function in the ethane degradation process, revealing surprises in the metabolism of these organisms.
AI algorithm accurately detects heart disease in dogs
Researchers have developed a machine learning algorithm to accurately detect heart murmurs in dogs, one of the main indicators of cardiac disease, which affects a large proportion of some smaller breeds such as King Charles Spaniels.
Dolphins sense military sonar at much lower levels than regulators predict
Scientists have directly measured the behavioral responses of some of the most common marine mammals to military sonar.
Bird study finds sons help their parents less than daughters because they're scouting future prospects
Male birds help their parents less than females because they're too busy scouting for new places to live and breed, a study shows.
New parasite discovered amid decline of California's unique Channel Island fox
In the 1990s, the San Miguel Island fox nearly went extinct, with numbers dropping to just 15.
Microbes feed on iron: New study reveals how they do it
Corroding microbes are a costly menace for industries relying on hidden and underground iron structures like sprinklers and oil pipelines.
No incentive for older birds to make new friends
Like people, birds have fewer friends as they age, but the reasons why are unclear.
Quality control in artificial photosynthesis: Validating natural antenna mimicry
Researchers have revealed the 3D structure of lab-made lightharvesting complex II (LHCII), a key component in photosynthesis.
Lab-grown pork gets support from sorghum grain
Meat grown in a lab isn't science fiction anymore.
Bird wings inspire new approach to flight safety
Engineers found a way to help airplanes avoid stall with lightweight plastic flaps that flutter with pressure changes.
Using weather radar to track Australia's migrating birds
Scientists have used data from weather radar not to track storms, but to count birds as they travel across Australian skies.
Weddell seals in the Antarctic strategically time their most extreme dives to maximize foraging Weddell seals in Erebus Bay, Antarctica, may look like couch potatoes when they are resting on ice.
More social species live longer
New research has revealed that species that are more social live longer and produce offspring for a greater time-span.
What animal societies can teach us about aging
Red deer may become less sociable as they grow old to reduce the risk of picking up diseases, while older house sparrows seem to have fewer social interactions as their peers die off, according to new research which shows humans are not the only animals to change our social behaviour as we age.
Dinosaurs thrived after ice, not fire, says a new study of ancient volcanism
The Triassic-Jurassic Extinction, 201.6 million years ago, has been considered by some to have been a fairly slow-burn event, driven by rising temperatures and ocean acidification.
Making 'scents' of aromas that differentiate beer and wine
Today, people increasingly seek nonalcoholic versions of beer or wine.
Fossil hunters strike gold with new species
Paleontologists have identified fossils of an ancient species of bug that spent the past 450 million years covered in fool's gold in central New York.
Solar-powered animal cells
Energy-making chloroplasts from algae have been inserted into hamster cells, enabling the cells to photosynthesize light, according to new research in Japan.
12 new Oriental weevil species discovered using advanced imaging tools
Two of these new species are present in Japan: Aphanerostethus magnus (Oo-daruma-kuchikakushizoumushi) and Aphanerostethus japonicus (Nippon-darumakuchikakushi-zoumushi).
Oceanographers record the largest predation event ever observed in the ocean
In the largest predation event ever recorded, researchers observed capelin shoaling off the coast of Norway, where a swarm of cod overtook them, consuming over 10 million fish in a few hours.
Alcohol consumption among nonhuman animals may not be as rare as previously thought, say ecologists Anecdotes abound of wildlife behaving 'drunk' after eating fermented fruits, but despite this, nonhuman consumption of ethanol has been assumed to be rare and accidental.
Sinuses prevented prehistoric croc relatives from deep diving
Paleobiologists have found that the sinuses of ocean dwelling relatives of modern-day crocodiles prevented them from evolving into deep divers like whales and dolphins.
Ancient DNA brings to life history of the iconic aurochs, whose tale is intertwined with climate change and human culture
Geneticists have deciphered the prehistory of aurochs the animals that were the focus of some of the most iconic early human art by analyzing 38 genomes harvested from bones dating across 50 millennia and stretching from Siberia to Britain.
Biomedicina
Nanoplastics can reduce the effectiveness of antibiotics
An international research team has investigated how nanoplastic particles deposited in the body affect the effectiveness of antibiotics.
Implantable microparticles can deliver two cancer therapies at once Researchers designed tiny particles that can be implanted at a cancer tumor site, where they deliver two types of therapy: heat and chemotherapy.
Researchers develop approach to accurately predict pneumonia outcomes
Doctors struggle to accurately predict pneumonia patients' prognoses and determine the most effective treatments.
Researchers aim to get leg up on bone repair with 3D-printed femur
Mechanical engineers designed a 3Dprinted femur that could help doctors prepare for surgeries to repair bones and develop treatments for bone tumors.
Ultrasound can be used as search and rescue tool for the brain
Scientists highlighted the potential for ultrasound to treat some of the more complex health conditions affecting the human brain.
Study refines understanding of kidney transplant rejection
Medical scientists involved in a large international study have identified new signs of kidney transplant rejection that could lead to more precise diagnosis and treatment for transplant recipients.
Developing kidneys from scratch
Researches made major strides toward the creation of artificial kidney tissue by demonstrating an undiscovered mechanism behind kidney development and a novel technique for culturing kidney cells, both of which could ultimately reduce the need for both dialysis and transplantation.
Un macroestudio en alta resolución abre la puerta a estrechar el cerco en la lucha contra el cáncer
Varios artículos publicados hoy en Nature analizan las etapas más iniciales de la formación de un tumor, incluso antes de que aparezca.
Transforming patient care: Study finds bedside interdisciplinary rounds boost satisfaction for patients and providers
A study reveals patients and providers have more positive overall care experiences when the entire healthcare team is a part of bedside interdisciplinary rounds (BIDR).
Age assurance online needs to be child-rights respecting, new study says
A range of different age checks are needed to protect children but also to ensure they can take advantages of positive opportunities online a new study says.
Crunching fruit fly and human data via machine learning and systems biology results in the identification of key metabolites that impact lifespan in both species Discoveries that impact lifespan and healthspan in fruit flies are usually tested in mice before being considered potentially relevant in humans, a process that is expensive and time intensive.
Smell loss linked to 100-plus diseases
Researchers reveal a link between olfactory loss and inflammation in 139 medical conditions.
Computational tool developed to predict immunotherapy outcomes for patients with metastatic breast cancer
Using computational tools, researchers have developed a method to assess which patients with metastatic triple-negative breast cancer could benefit from immunotherapy.
The couples who cope together, stay together
A new study has lifted the lid on how couples living with rheumatoid arthritis cope with the debilitating disease finding that those who cope with problems together had less psychological distress and better relationships.
Face-conforming LED mask showing 340% improved efficacy in deep skin elasticity
A research team has developed a deep skin-stimulating LED mask which has been verified in clinical trials to improve dermis elasticity by 340%.
New imaging analysis technique revolutionizes diagnostics of head and neck cancers
A study developed a new technique to accurately analyse the properties of cancer cells and the surrounding tissue at the level of individual cells.
Subtle eye movements optimize vision
Our ability to see starts with the light-sensitive photoreceptor cells in our eyes.
Discovery of key mechanism in Huntington's Disease could pave the way for early detection and treatment
Researchers have identified a key biochemical mechanism relevant to the development of Huntington's Disease.
Using AI to measure prostate cancer lesions could aid diagnosis and treatment
Prostate cancer is the second most common cancer in men, and almost 300,000 individuals are diagnosed with it each year in the U.S.
Ancient gene influences immunity of First Nations Peoples of Oceania
An ancient gene mutation among First Nations inhabitants of Oceania may make them more susceptible to infectious diseases like influenza, according to a new study.
Immune cell discovery offers new potential for cancer immunotherapy
Researchers have identified a novel type of immune cell, called the stemlike CD4 T cell, that plays a pivotal role in anti-tumor immunity.
Por qué nuestro cerebro es capaz de procesar rápidamente mensajes cortos
Los medios digitales actuales transmiten mensajes rápidos a nuestros cerebros a gran velocidad, mucho mayor que la que alcanzan las palabras habladas.
Scientists develop tool to predict sepsis in apparently healthy newborns
A genetic signature in newborns can predict neonatal sepsis before symptoms even start to show, according to a new study.
Thin skin significantly blunts injury from puncture
Thin, stretchy skin -- like that of a pig or human significantly lessens the underlying damage that occurs when it's punctured.
Scientists can reverse brain aging in fruit flies by preventing buildup of a common protein
Buildup of a protein called filamentous actin, or F-actin, in the brain inhibits the removal of cellular wastes, including DNA, lipids, proteins and organelles.
AI in healthcare: New research shows promise and limitations of physicians working with GPT-4 for decision making
Researchers have studied how well doctors used GPT-4 an artificial intelligence (AI) large language model system for diagnosing patients.
Enhanced cardiovascular function with spinal cord transcutaneous stimulation in high-level spinal cord injury
New research shows that stimulation of the lumbosacral vertebrae region significantly elevated low blood pressure, unlike cervical or upper thoracic stimulation.
RSV vaccines effective, but more people need to get them
Doctors detail what we learned after the first season following the approval of RSV vaccines.
Cellular couriers: Body's 'delivery trucks' could lead to new cancer blood test
Researchers have found a potential new diagnostic marker that could be used to better detect the level of tissue damage in our bodies.
Enhancing the accuracy of wearables that measure blood glucose levels
Wearable electronic devices are potential tools to monitor blood glucose levels (BGLs) among people with diabetes, but their limited size and power lead to noticeable measurement errors.
Psychologists develop tool to assess narcissism in job candidates
Researchers developed a tool for job interviews to assess narcissistic grandiosity among potential job candidates.
Cannabis use during pregnancy can impact thinking and learning skills, increase aggression among children, study shows
As cannabis is legalized and is more accessible in various forms across the country, there is increasing concern among health care providers about potential impact on children.
H5N1 virus isolated from infected dairy worker is 100% lethal in ferrets, but does not appear to be circulating in nature anymore
A strain of H5N1 avian influenza virus found in a Texas dairy worker who was infected this spring was able to spread among ferrets through the air, although inefficiently, and killed 100% of infected animals in studies researchers performed with the strain earlier this year.
Alzheimer's research: Superspreader fibrils caught in the act
In dementia diseases such as Alzheimer's, incorrectly folded proteins accumulate in the brain.
Understanding how mutations affect diseases
The human genetic code is fully mapped out, providing scientists with a blueprint of the DNA to identify genomic regions and their variations responsible for diseases.
Children's BMI can affect their future lung function
An abnormal BMI in children be it high or low -- can now be associated with impaired lung function, but if their BMI is normalized before they reach adulthood, the impairment can be offset, researchers report.
Magnetic field applied to both sides of brain shows rapid improvement for depression
A type of therapy that involves applying a magnetic field to both sides of the brain has been shown to be effective at rapidly treating depression in patients for whom standard treatments have been ineffective.
Childhood attention issues and genetic factors may predict psychosis risk
Researchers have found that a person's risk of developing psychoticlike experiences may be influenced by both childhood attention problems and their genetic makeup.
Dramatic drop in marijuana use among U.S. youth over a decade (2011 to 2021)
Using a national survey of 88,183 adolescents in grades nine to 12, findings show marijuana use declined from 23.1% in 2011 to 15.8% in 2021, with first-time use before age 13 dropping from 8.1% to 4.9%.
Heart failure mortality declining in Sweden
A new study shows that heart failure mortality has decreased in Sweden over the last 20 years.
Keeping fewer friends protects aging monkeys from diseases
Becoming less sociable protects older monkeys from getting ill, new research shows.
Breaks in resistance training do not impair long-term development in strength and muscle size
A study investigated how a 10-week break from resistance training affected maximum strength and muscle size.
Genomic variants that increase risk of kidney disease are found in nearly one-third of West Africans
A study has revealed a significant genetic risk factor for kidney disease in people from Ghana and Nigeria.
A new chemistry for CRISPR
It acts as a sort of molecular fumigator to battle phages and plasmids.
A lung pathogen's dilemma: Infect or resist antibiotics?
A new study reveals that the notorious bacterial pathogen Pseudomonas aeruginosa must balance between effectively colonizing human airways and developing antibiotic tolerance to survive.
Batteries for miniature biointegrated devices and robotics
Researchers have developed a miniature soft lithium-ion battery that could be used as a defibrillator to control heart rhythm during surgery.
Cancer risk linked to p53 in ulcerative colitis
Researchers have elucidated the role of the p53 gene in ulcerative colitis.
Political polarization poses health risks, new analysis concludes
A new analysis shows that political polarization also poses significant health risks -- by obstructing the implementation of legislation and policies aimed at keeping Americans healthy, by discouraging individual action to address health needs, such as getting a flu shot, and by boosting the spread of misinformation that can reduce trust in health professionals.
Nixing
narcolepsy nightmares
A new study has demonstrated a new way to treat narcolepsy-related nightmares.
Scientific discovery scratching beneath the surface of itchiness
A collaborative study has revealed how a specific species of mammaltargeting worms found a way around itch, allowing researchers to better understand the mammalian urge to scratch.
Asthma and fine particulate matter
Drawing on evidence involving about 25 million population worldwide, an international research team demonstrates that long-term exposure to ambient PM2.5 significantly increases the risk of asthma, affecting both children and adults.
'The way to a man's heart disease':
Can social expectations of masculinity be bad for cardiovascular health?
A new study found that higher levels of stereotypical male gender expression were associated with a decrease in reported diagnoses and treatment for cardiovascular disease risk factors.
Study finds bariatric surgery declined with rise in GLP-1 drugs to treat obesity
A new study has examined a large sample of privately insured patients with obesity and found that use of glucagon-like peptide-1 receptor agonists (GLP-1 RAs) as anti-obesity medications more than doubled from 2022 to 2023.
Studying Wikipedia browsing habits to learn how people learn
A collaborative team of researchers led by Dale Zhou, who did his Ph.D. at the University of Pennsylvania's Perelman School of Medicine, and Dani Bassett in Penn's School of Engineering and Applied Science looked at how nearly half a million people around the world use Wikipedia's knowledge networks.
Researchers uncover novel role of protein GPNMB in heart repair
Scientists have identified the protein GPNMB as a critical regulator in the heart's healing process after a heart attack.
Invisible anatomy in the fruit fly uterus
Drosophila is one of the most thoroughly studied lab animals with the exception of the female reproductive tract.
Skeletal muscle health amid growing use of weight loss medications
A recent article highlights the critical importance of skeletal muscle mass in the context of medically induced weight loss, particularly with the widespread use of GLP-1 receptor agonists.
New formation of neurons from stem cell niche disrupted after stroke
Researchers studied what happens immediately after a stroke in the stem cell niche known as the subventricular zone, using a mouse model.
AI-generated news is harder to understand, study finds Readers find automated news articles poorer than manuallywritten texts in relation to word choice and use of numbers.
Research shows urine tests may detect early diseases
According to a study, the RNA (a type of genetic material) and other substances within urine can show changes in cell types, revealing early signs of cancer and other diseases.
Novel role of BRCA1 in tumor suppression
Research shows that the breast cancer gene 1 (BRCA1) not only pushes accurate DNA repair to guard against cancer but promotes subsequent activity in tumor suppression.
Researchers complete the largest compilation of cancer prevalence across vertebrates
For all its pervasiveness and the efforts to study it, cancer is still somewhat of a mystery.
New optical technique could revolutionize medical diagnostics
A researcher has developed a new technique using light which could revolutionize non-invasive medical diagnostics and optical communication.
Pitchers rejoice? Plasma irradiation might prevent tendon re-tears
Researchers have found that using non-thermal atmospheric pressure plasma on rotator cuff tears resulted in accelerated healing of the tendonbone junction with improved strength in comparison to a control group.
Lymph node-like structures may trigger the demise of cancer tumors
A newly described stage of a lymph node-like structure seen in liver tumors after presurgical immunotherapy may be vital to successfully treating patients with hepatocellular carcinoma, according to a new study.
Depression: Dysfunction of neurons in the amygdala may be behind negative perceptions of the environment
One of the characteristics of depression is a tendency to perceive sensory stimuli and everyday situations in an excessively negative way.
The cellular superhero that protects us against RNA viruses
The innate immune system is the body's first line of defence against pathogens like bacteria or viruses.
Daylight saving time clock changes have substantial, but short-lived effect on how much sleep we get With the clocks going back this weekend, a new study has found that moving the clocks one hour forward in Spring and one hour back in Autumn has a substantial, but shortlived effect on sleep duration.
Common drug shows promise in extending lifespan
Scientists say mifepristone, used in cancer and reproductive care, could pave the way for anti-aging treatments.
Researcher trains AI to predict diarrheal outbreaks related to climate change
Climate change-related extreme weather, such as massive flooding and prolonged drought, often result in dangerous outbreaks of diarrheal diseases particularly in less developed countries, where diarrheal diseases is the third leading cause of death among young children.
Barriers prevent everyone enjoying nature equally
A major international study involving 56,968 adults, aged 18 to 99, has found that levels of nature connectedness and nature exposure are associated with several socioeconomic and demographic factors.
Could a new medical approach fix faulty genes before birth?
A new biomedical tool successfully delivers genetic material to edit faulty genes in developing fetal mouse brain cells.
Professional ice hockey: Depressive symptoms and burnout linked to more concussions
Elite ice hockey players with a history of concussion report heightened mental health symptoms, according to a new study.
Ultra-sensitive electronic skin modeled after the human brain
Researchers have successfully developed an ultra-sensitive pressure sensor for electronic skin modeled after the nervous system in the human brain.
Researchers discover that errors in protein location are a common cause of disease
An international team has assembled the first large-scale, publicly available map to show the impact of mutations on where proteins end up in the cell.
New precision medicine approach helps detect subgroups of people with obesity at high risk of diabetes and heart disease Obesity is a common cause of diabetes, heart disease and early death, but risk differs greatly from one person to the next.
Gene named for mythical Irish land could aid muscle function after traumatic nerve injuries
Researchers describe how a gene called NANOG can improve the regrowth of damaged nerves after traumatic nerve injuries, like those sustained in motor vehicle accidents or gunshot wounds.
Researchers develop low-cost device that detects cancer in an hour
Researchers have created a portable device that can detect colorectal and prostate cancer more cheaply and quickly than prevailing methods.
Rejuvenecen neuronas del cerebro con reprogramación celular para aumentar su número y plasticidad
Una investigación liderada por la Universidad de Barcelona (UB) describe cómo las neuronas del cerebro en ratones pueden rejuvenecerse mediante un ciclo de reprogramación celular controlado que ayuda a recuperar algunas propiedades y funciones neurológicas alteradas.
Burning incense can pose health risks for those with allergies and asthma
A new medically challenging case warns that, for those with allergies and asthma, health problems from burning incense can be a significant risk to adults and children.
Mouse model reveals liver involvement in muscular dystrophy
A new mouse model mimicking the liver symptoms of myotonic dystrophy type 1 the most prevalent form of adult-onset muscular dystrophy -- provides insight into why patients develop fatty liver disease and display hypersensitivity to medications, making treatment difficult.
Research in mice suggests zinc supplements have potential value to directly treat short bowel syndrome
Researchers say they have identified a gene pathway involving the mineral zinc in mice that may someday point the way to using zinc-based supplements to directly help people with a rare disorder called short bowel syndrome (SBS).
Popular diabetes and weight-loss drug may reduce risk of Alzheimer's disease
Researchers have found that semaglutide may lower the risk of Alzheimer's disease in people with type 2 diabetes (T2D).
Study increases understanding of what makes multiply recurrent meningiomas a most aggressive form of brain tumor
Researchers have identified clinical and genetic predictors of multiply recurrent meningiomas (MRMs), a most aggressive form of this common brain tumor.
Tiny medicine combats infections and drug resistance
Researchers have developed a new technology that can hold an entire course of antibiotics in one tiny dose and deliver on demand just the right amount of medication that a particular patient needs to fight an infection.
Cancer prevalence across vertebrate species decreases with gestation time, may increase with adult mass Cancer prevalence rates varied widely across vertebrate species and generally increased with higher adult mass and decreased with longer gestation time, according to new results.
Chronic pain can be predicted within three days of an injury
After only one to three days of a whiplash injury, scientists can predict which patients will develop chronic pain based on the extent of cross 'talk' between two regions of the brain, and the person's anxiety level after the injury, according to a new study.
Millions in the U.S. may rely on groundwater contaminated with PFAS for drinking water supplies
Approximately 71 to 95 million people in the Lower 48 states more than 20% of the country's population -- may rely on groundwater that contains detectable concentrations of per- and polyfluoroalkyl substances, also known as PFAS, for their drinking water supplies.
Scientists may have discovered important step in the fight against antibiotic-resistant bacteria
A small molecular strand could hold the key to solving one of the greatest global health challenges.
Study finds intense exercise may suppress appetite in healthy humans
A vigorous workout does more to suppress hunger levels in healthy adults than does moderate exercise, and females may be especially susceptible to this response, according to a small study.
Experimental drug engineered to prevent heart failure after heart attacks
An experimental therapeutic monoclonal antibody therapy could become the first to directly enhance tissue repair in the heart following a heart attack.
An individual's reward-seeking strategy reflects responses to nicotine
Individualistic reward-seeking strategies predict responses to nicotine among mice living in a micro-society, according to a new study.
AI in medicine: New approach for more efficient diagnostics
Researchers have developed a new AI tool that uses imaging data to also detect less frequent diseases of the gastrointestinal tract.
No wasted effort: Effective wastewater surveillance methods for monitoring infections gleaned from COVID-19 case study in Japan
A research team analyzed wastewater surveillance methods for accurately tracking COVID-19 infection trends.
Unnoticeable electric currents could reduce skin infections
Using a few zaps of electricity to the skin, researchers can stop bacterial infections without using any drugs.
Study of chick peeps could improve understanding of animal emotions
Understanding animal emotions has been a long-running question at the forefront of welfare studies, but a new study may hold the key to decoding the chatter.
Plastic chemical causes causes DNA breakage and chromosome defects in sex cells, study finds A new study conducted in roundworms finds that a common plastic ingredient causes breaks in DNA strands, resulting in egg cells with the wrong number of chromosomes.
A new hydrogel semiconductor represents a breakthrough for tissue-interfaced bioelectronics The ideal material for interfacing electronics with living tissue is soft, stretchable, and just as water-loving as the tissue itself--in short, a hydrogel.
Beneficial gut microbe has surprising metabolic capabilities
Researchers discovered potentially far-reaching effects of a particular gut bacterium that was linked to better growth in Bangladeshi children receiving a therapeutic food designed to nurture healthy gut microbes.
Young people's moods directly affected by social media 'likes'
Young people today are growing up in a social media-saturated world where technology plays a central role in shaping most of their experiences.
Engineers unveil AI model for predicting, controlling pandemic spread
A team of engineers has published a study on how international air travel has influenced the spread of COVID19, finding Western Europe, the Middle East and North America as leading regions in fueling the pandemic.
Nigerians are experiencing neurolong COVID, research finds
Scientists have found individuals in Nigeria are experiencing neurological manifestations of long COVID called neuro-long COVID such as brain fog, mild cognitive impairment, fatigue, sleep problems, headache, sensations of pins and needles, and muscle pain.
Opioids may negatively impact hormone health
A new scientific statement released today by the Endocrine Society highlights research gaps associated with the negative effects of opioid use on the endocrine system.
Bacterial pathogen shows alarming resistance to common cleaners, chemists discover
A new study reveals widespread resistance of a major bacterial pathogen to the active ingredients in cleaning agents commonly used in hospitals and homes.
ClinGen creates a robust, openaccess platform to define the clinical relevance of genes and variants
The Clinical Genome Resource (ClinGen), a resource that works to define the clinical relevance of genes and variants, has published data on more than 2,700 genes curated for relevance to genetic diseases, including cancer, cardiovascular disease and neurodevelopmental disorders.
Experts call for clear and concise regulation of exosome-based treatments
Clinics that offer exosome therapies claim they have the ability to repair and regenerate tissues and treat inflammatory and other immunerelated conditions in a noninvasive way.
In pioneering study, gene technology outperforms standard newborn screening tests
Early results from 4,000 babies show that genome sequencing picks up many more serious health conditions than standard newborn screening and is favored by most parents.
Reminders can eliminate agerelated symptoms of decline in memory
A new study reveals that setting reminders can eliminate some agerelated declines in memory.
Lyme borreliosis: New approach for developing targeted therapy
Lyme borreliosis is the most common tick-borne infectious disease in Europe. Up to 70,000 new cases are estimated each year in Austria alone.
Let sleeping babies lie: Scientists highlight negative impacts of sleep disruption on early brain development
Researchers show how sleep loss during early life impacts key aspects of brain development and how it can increase one's risk for developing autism spectrum disorder.
'Human mini-brains' reveal autism biology and potential treatments
By creating personalized brain 'organoids' in the lab, scientists showed how microRNAs impact brain development, and demonstrate how one drug can reverse critical cellular signs of autism.
Researchers show why cannabis policies should shift to a harm reduction, health promotion approach to safeguard public health
A new paper explains why there needs to be a shift in cannabis policies to a public health approach as opposed to the prevailing, more punitive approach that pushes abstinence instead of public education.
Maternal antibodies interfere with malaria vaccine responses
Maternal antibodies passed across the placenta can interfere with the response to the malaria vaccine, which would explain its lower efficacy in infants under five months of age, according to new research.
Bystanders in a combat zone are treated as guilty until proven innocent
People's bias toward sacrificing unknown bystanders appears to stem from assuming the unidentified person is an enemy, according to a new study.
Mouse study sheds light on secret to maintaining a youthful immune system
What keeps some immune systems youthful and effective in warding off age-related diseases?
Implantable device may prevent death from opioid overdose
A team has developed a device that may rescue people from overdose without bystander help.
Live well, think well: Research shows healthy habits tied to brain health
In middle-aged people, having risk factors like blood pressure, blood sugar and cholesterol that are not well-controlled combined with not following certain healthy habits including exercise, diet and sleep, are linked to a higher risk of stroke, dementia or depression later in life, according to a new study.
Scanning, scrolling, and swiping: New research uncovers why our brains are effective at quickly processing short messages
A team of linguistics and psychology researchers has discovered that when a brief sentence is flashed, our brains detect its basic linguistic structure extremely quickly in roughly 150 milliseconds, or about the speed of a blink of an eye.
Could poor sleep in middle age speed up brain aging?
People in early middle age who have poor sleep quality, including having difficulty falling or staying asleep, have more signs of poor brain health in late middle age, according to a new study.
Femtosecond-fieldoscopy accesses molecules fingerprints at nearinfrared spectral range
In a breakthrough that could revolutionize biomarker detection, researchers have developed a novel technique called 'femtosecondfieldoscopy'.
Diseñan con IA interruptores que activan genes de forma específica en cada tejido
Investigadores Instituto de Tecnología de Massachusetts (MIT) y de las universidades de Harvard y Yale, todas en EE UU, han diseñado interruptores de ADN capaces de controlar con precisión la expresión de genes en un tejido concreto sin afectar al resto del organismo, utilizando inteligencia artificial (IA) de aprendizaje profundo.
Adapting GenAI for the next generation of learning
A new study by learning analytics researchers presents key considerations for generative AI (GenAI) educational tools so they are carefully developed to support, rather than replace, human learning.
New method for producing innovative 3D molecules
Chemists have synthesized so-called heteroatom-substituted cage-like 3D molecules.
Birth: It's a tight squeeze for chimpanzees, too
According to a new study, chimpanzees, like humans, must contend with a confined bony birth canal when giving birth.
Dehydration linked to muscle cramps in IRONMAN triathletes
Contrary to previous research, a study of three decades of the IRONMAN's top competition found a connection between dehydration and exercise-induced muscle cramps.
What standing on one leg can tell you: Biological age
How long a person can stand -- on one leg is a more telltale measure of aging than changes in strength or gait, according to new research.
Biotecnología
Una Fórmula 1 con nanotecnología. Los nanomateriales están jugando un papel importante en el desarrollo de los autos de Fórmula 1, donde cada mejora puede marcar la diferencia en términos de rendimiento, seguridad y eficiencia.
Desarrollan una herramienta informática para simular intervenciones farmacológicas en pacientes con trastornos de la conciencia
El desarrollo de científicos del CONICET y colegas permitirá explorar nuevas terapias para esos desórdenes que aparecen al despertar de un coma por traumatismo cerebral, hemorragia interna u otras lesiones.
A structurally informed human protein–protein interactome reveals proteome-wide perturbations caused by disease mutations
Protein–protein interactomes incorporating structural data predict the functional consequences of disease mutations.
Gold-siRNA supraclusters enhance the anti-tumor immune response of stereotactic ablative radiotherapy at primary and metastatic tumors
Gold-siRNA clusters boost the immune response of radiotherapy against primary and distant tumors.
Comprehensive genome analysis and variant detection at scale using DRAGEN
DRAGEN rapidly identifies diverse types of genetic variants.
Medioambiente
Spirited off: Key protein aids transport within plant cells
A team has clarified how in plants the boric acid channels, the conduits for the necessary element boron, are transported to the plasma membrane.
Beehive fences are highly effective in reducing human-elephant conflict, but researchers warn of future risks
A groundbreaking, nine-year study has revealed that elephants approaching small-scale farms in Kenya avoid beehive fences housing live honey bees up to 86% of the time during peak crop seasons, helping to reduce human-elephant conflict for local farmers and boost income.
Farewell frost! New surface prevents frost without heat In a new study, researchers discovered that tweaking the texture of any surface and adding a thin layer of graphene oxide prevents 100% of frost from forming on surfaces for one week or potentially even longer.
25.000 kilómetros de zonas inundables que necesitan de adaptación en España
España tiene unos 25.000 kilómetros de zonas inundables, en las que viven unos 2,7 millones de personas y siendo las cuencas del Ebro, Júcar y Duero las que tienen más territorio "inundable", según datos del Ministerio para la Transición Ecológica (Miteco).
Paving the way for harvesting and storing solar energy efficiently Approximately 50 percent of global final energy consumption is dedicated to heating.
Dana, las condiciones climáticas favorecen que el tiempo sea más extremo
La dana que afecta a España y se estima que ha causado ya más de 60 muertos e ingentes daños materiales, o el reciente impacto del huracán Milton en Estados Unidos, reflejan que “estamos bajo condiciones climáticas que favorecen que el tiempo sea más extremo”.
Reactor could make direct air capture more energy efficient
Researchers have developed an electrochemical reactor that has the potential to drastically reduce energy consumption and cost for direct air capture.
Green growth: 30% of regions worldwide achieve economic growth while reducing carbon emissions
More and more regions around the globe combine economic growth with reducing carbon emissions, researchers found.
Caída en picado de las poblaciones de aves limícolas migratorias en todo el mundo
La última actualización de la Lista Roja de Especies Amenazadas de la Unión Internacional para la Conservación de la Naturaleza (UICN) ha revelado un declive "muy preocupante" de las poblaciones de aves limícolas migratorias en todo el mundo.
La IA podría aumentar casi 1.000 veces los residuos electrónicos en 2030
Se espera que el desarrollo de la inteligencia artificial generativa, como la que utiliza por ejemplo ChatGPT, provoque un aumento de la basura electrónica o e-waste.
Scientist on personal mission to improve global water safety makes groundbreaking discovery
A study shedding new light on how arsenic can be made less dangerous to humans has the potential to dramatically improve water and food safety, especially in the Global South.
Coastal flooding during hurricanes
Helene and Milton tracked
A web-based application that gathers crowdsourced data to identify flooding and inform policy in coastal communities provided scientists with essential data from hurricanes Helene and Milton.
More than half of European heatrelated deaths in summer 2022 attributed to anthropogenic warming
A new study has now found that more than half 56% of the heatrelated deaths in the summer of 2022 were related to human-induced climate change.
When is a heat wave just a heat wave, and when is it climate change?
A new study used the 2023 heat wave in Texas and Louisiana as a test case for establishing processes that tease out whether particular weather events are climate change related.
Newly discovered cyanobacteria could help sequester carbon from oceans and factories
What if a microbe could help curb the climate crisis? Meet UTEX-3222, aka 'Chonkus,' a cyanobacterium discovered living in the volcanic CO2 seeps off the coast of Vulcano, Sicily.
Cada 20 minutos desaparece una pradera marina
En un contexto de crisis medioambiental y de pérdida acelerada de biodiversidad, la conservación y regeneración de la vida en los mares se ha convertido en una prioridad para muchos expertos y organizaciones dedicadas a la conservación de la vida marina en todo el mundo.
Strategy to reduce the amount of propofol waste in the operating room
Propofol is used in the operating room to induce anesthesia.
Have we found all the major Maya cities? Not even close, new research suggests
Researchers used laser-guided imaging to uncover vast unexplored Maya settlements in Campeche, Mexico, revealing more than 6,500 pre-Hispanic structures, including a previously unknown large city with stone pyramids.
Researchers' new outreach strategy succeeds, sets blueprint for detecting invasive species in Florida
Researchers are showcasing how a focused outreach initiative in Palm Beach County has led to a successful increase in reports of invasive reptiles in Florida.
Giant clam declared critically endangered after the latest assessment
Once abundant, the massive, colorful clam is now locally extinct in many regions, with a critical drop in population due to overfishing and climate change.
Climate, dead zones and fish: Solving a 'wicked problem' in Lake Erie and beyond
A research collaboration has developed a simple model to help inform the complex decision-making that goes into managing water quality and fishery output in Lake Erie and similar ecosystems.
Are we missing the mark on biodiversity? 90% of countries ignore key behavior changes
There is a yawning gap between national policies to enhance biodiversity and the individual and small group behavioral changes that are critical to making a real difference.
España es el segundo mayor importador europeo de cuero brasileño, causa directa de la deforestación
Se presenta el estudio Hide on the Highway (Pieles en la autopista), donde se analiza cómo el cuero de vacas criadas en zonas de selva deforestadas de Brasil acaban en los zapatos y los automóviles fabricados en Europa.
Un mapa de la crisis del viñedo europeo por el cambio climático
Un estudio publicado en Nature Communications ha cartografiado por primera vez la vulnerabilidad de las más de 1.000 denominaciones de origen protegidas de vinos europeos ante el cambio climático.
Lista Roja de la UICN: Más de un tercio de los árboles está en peligro de extinción en el mundo
El 38 % de los árboles del mundo está en peligro de extinción, según la actualización de la Lista Roja de Especies Amenazadas de la Unión Internacional para la Conservación de la Naturaleza (UICN), presentada este lunes en el marco de la COP16 que se lleva a cabo en Cali (Colombia).
El 38% de los árboles del mundo se enfrenta a la extinción
El 38% de los árboles del mundo están en peligro de extinción, es decir, al menos 16.425 de las 47.282 especies estudiadas por la Unión Internacional para la Conservación de la Naturaleza UICN, por sus siglas en inglés) en su primera Evaluación Global de Árboles.
Melting Arctic sea-ice could affect global ocean circulation
The warming climate in polar regions may significantly disrupt ocean circulation patterns, a new study indicates.
Milmillonarios generan más emisiones de carbono en 90 minutos que persona promedio en toda su vida
Las 50 personas milmillonarias más ricas del mundo emiten de media más carbono en 90 minutos a través de sus inversiones, aviones privados y yates que una persona promedio lo hace a lo largo de toda su vida, según un informe de Oxfam Intermón que analiza "por primera vez" las emisiones tanto del transporte de lujo como de las inversiones contaminantes de los milmillonarios.
Ripples of colonialism: Decarbonization strategies perpetuate inequalities in human rights
A new study of a city in the Democratic Republic of Congo finds that the necessary process of decarbonization is repeating and recreating colonial inequalities.
Scientists create geochemical fingerprints
Using new technology, researchers have been able to confirm the location of the world's oldest ochre mine and trace how ochre from the mine was dispersed to nearby communities.
Companies and investors can now get smarter when it comes to nature Amid growing pressure to report on nature-related risks and impacts, an open-source footprinting tool offers a scientific and transparent approach.
Invasive plants drive homogenization of soil microbial communities across U.S. A new study reveals that invasive plants are reshaping soil microbial communities across the U.S., making them more uniform and altering how ecosystems function.
Building safer cities with AI: Machine learning model enhances urban resilience against liquefaction In earthquake-prone areas like Japan, there is a need for better prediction of soil stability to mitigate liquefaction risks.
Thermal imaging may help fruits, veggies stay fresher longer A recent review suggests new temperature measuring technologies could make that process much simpler, amid growing agricultural challenges fueled by fluctuating climates.
Climate scientist identifying water requirements for climate mitigation through ecosystem restoration
Worldwide, deforestation and farming practices are responsible for the degradation of vital ecosystems. While there is a significant amount of interest in climate mitigation by restoring those degraded lands with forests and other ecosystems, it is unclear how feasible that would be and the resulting benefits.
CSIC desarrollará cereales más productivos que se nutran con nitrógeno del aire
Un proyecto del Consejo Superior de Investigaciones Científicas (CSIC) ha recibido 4,5 millones de euros de la Fundación Bill & Melinda Gates para crear cultivos de cereales con una fertilización que obtenga nitrógeno del aire en lugar de a través de fertilizantes sintéticos, más caros y difíciles de conseguir.
New mapping techniques empower bird conservation in Colombia
Researchers have introduced a transformative approach to mapping bird species distribution across Colombia, harnessing community science data and innovative modeling techniques.
Advancement in 3D-printed concrete promises strength, durability and lower carbon emissions
Researchers have created a graphene-enhanced, 3D-printable concrete that improves strength and reduces carbon emissions by 31%, advancing sustainable construction.
Slowing ocean current could ease Arctic warming -- a little
The Arctic is warming at three to four times the global average.
Marshes provide cost-effective coastal protection
Protecting and enhancing salt marshes in front of protective seawalls can significantly help protect some coastlines, at a cost that makes this approach reasonable to implement.
A new spectroscopy reveals water's quantum secrets
Researchers have exclusively observed molecules participating in hydrogen bonds in liquid water, measuring electronic and nuclear quantum effects that were previously accessible only via theoretical simulations.
Sliver of cool surface water helps the ocean absorb more carbon
Subtle temperature differences at the ocean surface allow more carbon dioxide (CO2) to be absorbed, new research shows.
A natural climate change laboratory in Japan reveals the adaptation dynamics of fishers
A new scientific study reveals the complex relationship between the impacts of climate change and the adaptive responses of coastal fishers in the southern coasts of Japan.
Plant diversity enhances soil carbon retention
A new study shows that increasing plant diversity in agriculture can be used to improve the carbon sequestration potential of agricultural soils.
Watershed moment: Engineers invent high-yield atmospheric water capture device for arid regions
As a megadrought stresses the water supply throughout the Southwest, revolutionary research is answering this problem with a groundbreaking technology that pulls large amounts of water from the air in low humidities.
Marri trees a lifeline for many native bee species in biodiversity hotspot
New research has revealed Marri trees are critical to the survival of more than 80 species of native bee in Western Australia's South West region, which is one of the world's most biologically rich but threatened biodiversity hotspots.
A simpler, more efficient device for harvesting water from the air
A type of prototype water harvester promises to be simpler and more efficient than traditional variations of the device at pulling drinking water from the air.
The evolution of green energy technology: Developing threedimensional smart energy devices with radiant cooling and solar absorption
DGIST, KAIST, and Korea University collaborated to develop a threedimensional device with reversible heating/cooling based on the thermal radiation phenomenon.
Curbing air pollution control devices would cost thousands of lives and billions of dollars
A new commentary found that power plants' use of these devices saved up to 9,100 lives and up to $100 billion in health costs in 2023.
La frecuencia de las sequías en España lleva al límite la capacidad de respuesta de algunas especies forestales
La intensidad y la recurrencia de las sequías están llevando al límite la respuesta fisiológica de algunas especies forestales en España, han concluido investigadores del CSIC, que han comprobado el impacto de los periodos secos asociados al cambio climático sobre la salud del arbolado, lo que podría derivar en un aumento de su mortandad.
Developing new high-performance and recyclable materials
Researchers have developed a groundbreaking new material poised to advance high-sensitivity recyclable sensor technology.
Evaluating the link between chemicals and declining insect populations
Employing a library of more than 1,000 chemicals, scientists investigated how agrochemicals affect insect populations.
Fire-risk blocking self-powered hydrogen production system
By using a water-splitting system with an aqueous electrolyte, this system is expected to block fire risks and enable stable hydrogen production.
Thread-like, flexible thermoelectric materials applicable for extreme environments
A team of researchers developed a thermoelectric material that can be used in wearable devices, such as smart clothing, and while maintaining stable thermal energy performance even in extreme environments.
No significant PFAS emissions caused by waste incineration, study finds
Fluoropolymers have become an integral part of modern society, both in industrial and consumer applications.
Harnessing plant odors to revolutionize sustainable agriculture Plants communicate through volatile organic compounds (VOCs) that help them respond to herbivorous pest attacks.
Polar bears' exposure to pathogens is increasing as their environment changes
As the Arctic warms, polar bears now face a greater risk of contracting several pathogens than bears three decades ago, according to a new study.
Geography: Improving our understanding of complex crises
Researcher presents a new model for risk research which takes interactions into account and brings together various disciplines.
Fossils unveil how southern Europe's ecosystem changed through Glacial-Interglacial Stages Fossils from more than 600,000 years ago reveal how Southern Europe's animal community shifted between warm and cold climate fluctuations, according to a new study.
Researchers develop new coatings to boost turbine engine efficiency
A multidisciplinary research group has formulated new protective coatings to allow turbine engines to run hotter -- with potential dividends for the environment and people.
With 'electro-agriculture,' plants can produce food in the dark and with 94% less land, bioengineers say Photosynthesis, the chemical reaction that enables almost all life on Earth, is extremely inefficient at capturing energy only around 1% of light energy that a plant absorbs is converted into chemical energy within the plant.
Ciencia
It's not to be. Universe too short for Shakespeare typing monkeys
It would take far longer than the lifespan of our universe for a typing monkey to randomly produce Shakespeare, a new study reveals.
A faster, better way to train generalpurpose robots
Inspired by large language models, researchers developed a training technique that pools diverse data to teach robots new skills.
Rocky planets orbiting small stars could have stable atmospheres needed to support life
A sequence of events during the evolution of certain rocky planets orbiting M-dwarfs, the most common stars in the universe, creates an atmosphere that would be stable over time.
Successful experiment paves the way for new element
Scientists have found an alternative way to produce atoms of the superheavy element livermorium.
Seeing a black hole's jet in a new light
Researchers have pored over more than two decades' worth of data from NASA's Chandra X-Ray Observatory to show there's new knotty science to discover around black holes.
¿La energía oscura proviene de los agujeros negros?
Hace casi 14.000 millones de años, al comienzo mismo del Big Bang (la colosal “explosión” con la que nació el universo), una misteriosa energía impulsó una expansión exponencial del universo naciente y produjo toda la materia conocida, según la teoría inflacionaria del universo, la más aceptada.
Biblioteca. Facultad de Biología
Universidad de Salamanca. Campus Miguel de Unamuno c/Donantes de Sangre s/n 37007 Salamanca angelpoveda@usal.es
http://bibliotecabiologia.usal.es/