BioNoticias
2ª semana de febrero 2025
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BioNoticias. Resumen de prensa semanal
Elaborado por la Biblioteca de Biología. Universidad de Salamanca
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Biología
Doñana recoge 300 mm de lluvias desde septiembre, pero continúa con déficit hídrico
Desde septiembre, se han registrado 300 mm de precipitaciones en la estación manual del Palacio de Doñana, en el corazón del Parque Nacional.
Así consiguen los insectos sobrevivir al invierno
Son la mayor fuerza viva entre los animales de este planeta: aunque se conoce en torno a un millón de especies de insectos, los científicos estiman que la cifra real puede ser de 5 a 10 veces mayor, sumando el 90 % de todos los animales y la mitad de las especies de eucariotas descritas (seres con células nucleadas que incluyen plantas y hongos).
Las especies invasoras amenazan la capacidad de los bosques para almacenar carbono en el suelo
Los bosques desempeñan un papel crucial en el ciclo global del carbono y brindan múltiples servicios a la sociedad.
Los cráneos de la mayoría de las razas de perro son similares
Durante milenios, los humanos han realizado una cría selectiva de perros para aumentar sus habilidades en el pastoreo, la caza, como animales de compañía o para su protección.
Un sistema de riego supuso una revolución en la Amazonia precolombina
Un estudio, publicado hoy en la revista Nature, describe cómo la sociedad prehispánica casarabe, de los Llanos de Moxos en Bolivia, diseñó e implementó un innovador sistema de ingeniería del paisaje que incluyó la construcción de extensos canales de drenaje y de estanques agrícolas.
Landmark genetic study: Fresh shoots of hope on the tree of life
In the most comprehensive global analysis of genetic diversity ever undertaken, an international team of scientists has found that the genetic diversity is being lost across the globe but that conservation efforts are helping to safeguard species.
Los pulpos tienen uno de los cromosomas sexuales más antiguos conocidos
Los pulpos tienen un cromosoma sexual que es de los más antiguos conocidos y es probable que exista desde hace 480 millones de años, un descubrimiento que ha servido también para determinar que algunos cefalópodos usan cromosomas para determinar su sexo.
Bad hair bears! Greasy hair gives polar bears fur with anti-icing properties
Scientists have discovered the antiicing secret of polar bear fur something that allows one of the planet's most iconic animals to survive and thrive in one of its most punishing climates.
Los bonobos se dan cuenta cuando un humano no sabe algo y tratan de ayudarle
Un nuevo estudio presenta las capacidades de los bonobos a la hora de de realizar tareas como lograr ayudar a que un humano encuentre una golosina que no sabe donde está o intuir la ignorancia del otro, competencias que hasta el momento se creía que solo eran humanas.
The life cycle and climate adaptability of South Africa's endemic Cape Autumn Widow butterfly
A recent study provides insights into the life history and behaviour of the endemic Cape Autumn Widow butterfly (Dira clytus), a species endemic to South Africa.
Working dogs take a day to adjust to Daylight Savings Time, but pets are more flexible
Working dogs take a day to adjust to the change in routine caused by Daylight Savings Time, whereas pet dogs and their owners seem to be unaffected, according to a new study.
Why maggots love the texture of decaying fruit
Researchers have discovered neurons in the fly larva mouth that allow the taste of food texture.
Unveiling the critical role of the exocyst complex in mouse oocyte growth
Communication between oocytes and granulosa cells is essential for oocyte formation, dormancy, reawakening, and maturation.
Ancient DNA analyses bring to life the 11,000-year intertwined genomic history of sheep and humans
The rise of pastoralist peoples in the Eurasian steppes and their westward spread some 5,000 years ago may have been fueled by sheep herding and people exploiting their milk.
Why do plants transport energy so efficiently and quickly?
Photosynthesis mainly carried out by plants -- is based on a remarkably efficient energy conversion process.
New ways to modulate cell activity remotely
Cells are dynamic, fast-changing, complex, tiny, and often hard-to-see in environments that don't always behave in predictable ways when exposed to external stimuli.
White shark liver is on Australian killer whales' menu, genomic evidence confirms
DNA evidence has confirmed killer whales in Australia hunted a white shark for its liver.
New fungal species named in honor of Sir David Attenborough making zombies of cave spiders on the island of Ireland
A recent study investigated the identity of a fungus found on a spider during filming of the BBC Winterwatch series in Northern Ireland.
New research on ancient life found in Yellowstone hot springs
New work offers insight into how early life adapted from a low-oxygen atmosphere to the one that exists today.
Improved treatment timing reduces honey bee losses to Varroa mites
Honey bee mortality can be significantly reduced by ensuring that treatments for the parasitic Varroa mite occur within specific timeframes, a new study reveals.
Life-bearing water arrived on Earth later rather than sooner Scientist have concluded water did not arrive as early during Earth's formation as previously thought, an insight that bears directly on the question of when life originated on the planet.
Biomedicina
Researchers discover the brain cells that tell you to stop eating
Newly discovered brain cells count each bite before sending the order to cease eating a meal.
Cancer vaccine shows promise for patients with stage III and IV kidney cancer
Researchers report that all nine patients in a clinical trial being treated for stage III or IV clear cell renal cell carcinoma (a form of kidney cancer), generated a successful anti-cancer immune response after initiation of a personalized cancer vaccine.
Asthma and antibiotic use may predict nasal polyp recurrence after endoscopic sinus surgery
The probability of revision sinus surgery including the removal of nasal polyps is higher if the patient has asthma or is on antibiotics at the time of their initial surgery.
Research discovery halts childhood brain tumor before it forms
A research team has identified a critical event driving tumor growth in a type of medulloblastoma and a way to block it.
Breakthrough in childhood brain cancer research could heal treatment-resistant tumors, keep them in remission
Research has shown that a potential new targeted therapy for childhood brain cancer is effective in infiltrating and killing tumor cells in preclinical models tested in mice.
Selenoproteins: The fountain of youth?
Researchers find that certain antioxidant enzymes, called selenoproteins, significantly contribute to fighting cell aging.
Pickleball program boosts health and wellness for cancer survivors
A new community-based pickleball program called Project Rally is helping cancer survivors improve their physical and social well-being, according to a recent pilot study.
Detectan cambios en regiones cerebrales en individuos con alzhéimer y alta carga patológica
Un equipo de investigación liderado por la Universidad Complutense de Madrid ha identificado la asociación entre la demanda de regiones cerebrales clave para facilitar y coordinar el flujo de información entre el resto de áreas y altos niveles de marcadores en sangre de patología de la enfermedad de Alzhéimer (EA) en individuos que aún no manifiestan deterioro cognitivo.
Outside-in signaling shows a route into cancer cells
A new study shows how an anticancer drug triggers an 'outside in' signal that gets it sucked into a cancer cell.
How Sudan virus binds to human cells
The Sudan virus, a close relative of Ebola, has a fatality rate of 50% but remains poorly understood in terms of how it infects cells. Currently, no approved treatments exist.
Disrupted recycling of proteins found to damage heart health
A new study has identified an enzyme that plays an important role in breaking down unneeded or damaged proteins in the heart an important process for maintaining heart health.
New drug shows promise in reversing memory loss for early Alzheimer's patients
A paradigm-shifting study shows an experimental drug, GL-II-73, has the potential to restore memory and cognitive function in a mouse model of Alzheimer's disease.
How healthy stem cells turn into oral cancer
Researchers have identified the molecular and cellular mechanisms that transform healthy stem cells into oral cancer at the earliest stages of the disease.
New study model with clues to antiaging
Scientists have created geneticallyengineered mice that could help accelerate anti-aging research.
Lab findings support the concept that reducing neuroinflammation could help fight Alzheimer's
Scientists provide new evidence that preventing brain inflammation is a promising approach for the treatment of Alzheimer's disease.
Scientists identify Alzheimer's disease-protective genetic factors and unravel disease mechanisms
An international research team has identified key genetic factors that confer protective effects against Alzheimer's disease (AD) through a comprehensive genetic analysis of East Asian populations, including Chinese and Japanese, as well as European populations.
Omega-3s can slow down aging process
A daily intake of one gram of omega3s can slow down biological aging by up to four months, according to an analysis of clinical data from the international DO-HEALTH study.
How hungry fat cells could someday starve cancer to death
Liposuction and plastic surgery aren't often mentioned in the same breath as cancer.
Scientists want to throw a wrench in the gears of cancer's growth
For decades, scientists have tried to stop cancer by disabling the mutated proteins that are found in tumors.
Maternal stress during pregnancy could leave traces in the placenta that could affect the baby's development
Maternal stress could leave epigenetic imprints on genes in the placenta associated with cortisol -- a necessary hormone for fetal development and this would affect the baby's development from very early stages.
Listening for multiple mental health disorders
Researchers develop machine learning tools that screen for comorbid anxiety disorders and major depressive disorder using acoustic voice signals.
All
in the eyes: High resolution
retinal maps aid disease diagnoses
Researchers have conducted one of the largest eye studies in the world to reveal new insights into retinal thickness, highlighting its potential in the early detection of diseases like type 2 diabetes, dementia and multiple sclerosis.
Yo-yo dieting may significantly increase kidney disease risk in people with type 1 diabetes
Body-weight cycling (also known as yo-yo dieting) has been shown to significantly increase the risk of kidney disease in people with type 1 diabetes, regardless of body mass index (BMI) and other traditional risk factors, according to a new study.
What's the best way to organize people to generate ideas? New research offers insight Is it better to work in large groups? Smaller ones? With other people who are similar or different? New research offers insight into these questions and some of the results are not what you'd expect.
Meditation induces changes in deep brain areas associated with memory and emotional regulation
Findings provide insight about its potential as a noninvasive therapy.
Music can touch the heart, even inside the womb
Researchers have used mathematical analysis tools to study the effect of classical music on a fetal heartbeat and identify patterns in heart rate variability.
Global groundwater sulfate distribution map uncovers public health risks for 17 million people
A recent study has revealed a startling public health threat: About 17 million people are at risk of gastrointestinal problems due to excessive sulfate levels in groundwater.
Molecular
basis of food allergy
A multi-institutional study has identified one of the allergens responsible for eosinophilic esophagitis (EoE), an inflammatory disease of the esophagus.
Researchers link India's food program to better health and stronger incomes
Despite humanity's scientific achievements and globalized economy, malnutrition remains a global issue.
Fans not enough for elderly in heat waves
A study assessed the impact of electric fans on the body core temperature and heart rate of 18 participants aged 65-85 years, who were exposed to a simulated extreme indoor environment of 36 degrees Celsius with 45 percent relative humidity for eight hours.
No evidence that maternal sickness during pregnancy causes autism, study finds
While many studies have reported a link between a mother's health condition during pregnancy and her child's risk of autism, a new study shows that nearly all of these 'associations' can otherwise be explained by factors such as genetics, exposure to pollution, and access to healthcare.
Self-assembling cerebral blood vessels: A breakthrough in Alzheimer's treatment
A new platform for studying neuroinflammatory diseases, utilizing advanced 3D bioprinting technology has been developed.
Positive emotions plus deep sleep equals longer-lasting perceptual memories
Researchers have uncovered how perceptual memories linked to positive emotions, such as joy or happiness, are strengthened during sleep.
How do you treat rotator-cuff tears?
For those over 40, it's a common injury with different treatment options to try.
Gene therapy may be 'one shot stop' for rare bone disease
For the last 10 years, the only effective treatment for hypophosphatasia (HPP) has been an enzyme replacement therapy that must be delivered by injection threeto-six times each week.
Could the contraceptive pill reduce risk of ovarian cancer?
It's a little pill with big responsibilities. But despite its primary role to prevent pregnancy, the contraceptive pill (or 'the Pill') could also help reduce the risk of ovarian cancer, according to new research.
Mothers of twins face a higher risk of heart disease in the year after birth
The risk of being admitted to the hospital with heart disease is twice as high the year after birth for mothers of twins compared to singleton births, according to new research.
A new approach to detecting Alzheimer's disease
Research has revealed clear evidence that changes in the orchestration of brain oxygenation dynamics and neuronal function in Alzheimer's disease contribute to the neurodegeneration.
Computer model helps identify cancer-fighting immune cells key to immunotherapy
Researchers have developed a computer model to help scientists identify tumor-fighting immune cells in patients with lung cancer treated with immune checkpoint inhibitors.
How does the hippocampus coordinate memory encoding and retrieval?
A team of scientists has unveiled how the hippocampus orchestrates multiple memory processes, including encoding new information, forming memories, and retrieving them.
Hijacking of plasmin by dengue virus for infection
Biological scientists have uncovered how the dengue virus uses its envelope protein to capture human plasmin from a blood meal to enhance the permeability of the mosquito midgut for infection.
How the brain enables flexible decisions
Our brain is remarkably flexible in producing different reactions to supposedly comparable situations.
Innovative program helps seniors manage stress
A new study shows significant longterm reductions in the stress hormone cortisol in seniors taking part in the O'stress program.
Inhibitor drugs to treat aggressive breast cancer identified
A national study seeking more effective treatment for deadly metaplastic breast cancer has identified two inhibitor drugs with the potential to interrupt disease progression.
A light-activated drug to fight psoriasis
Psoriasis is a chronic skin disease that manifests itself mainly with skin symptoms (dryness, itching, scaly skin, abnormal patches and plaques).
Understanding the increase in stillbirth rates in Germany amid European declines
The stillbirth rate in Europe has been steadily improving over the last few decades, but there are some exceptions.
Scientists discover how genetic risk for alcoholism changes brain cell behavior
A new study may help explain why some people are more susceptible to developing drinking problems.
Most complex model of molecular 'wear-and-tear' to date shines light on how proteins age
New work could help produce more effective future anti-aging treatments.
Slow traffic, fast food: Study links road delays with unhealthy eating
Ever notice how much more tempting it is to pick up fast food for dinner after being stuck in traffic? It's not just you.
Vitamin D matters during first trimester
Maternal vitamin D levels in the first trimester were related to both prenatal growth and pregnancy outcomes, according to a new study.
Research aims to standardize rock climbing route difficulty through machine learning techniques
Researchers have explored how integrating machine and deep learning techniques can create a standardized system for evaluating rock climbing routes to provide a difficulty grading scale that promotes inclusivity, accuracy and accessibility for all experience levels.
Researcher uses AI to reimagine telehealth billing
With the growing popularity of telehealth comes new issues with billing.
Efectos de la marihuana en la memoria
En años recientes, el consumo de la droga conocida con nombres como marihuana o cannabis ha aumentado notablemente en diversas naciones, sobre todo entre la gente joven.
A protein at the heart of heart disease
Low-density lipoproteins (LDL) commonly known as bad cholesterol -- have long been on scientists' radar as a major contributor to heart disease.
Alarming rise in rates of advanced prostate cancer in California
The incidence of advanced prostate cancer in California rose markedly in the decade since doctors stopped routinely screening all men for the disease, according to a new study.
New study identifies key protein's role in psoriasis
In a new study, researchers have determined that a protein called NFkB c-Rel can intensify the symptoms of psoriasis when activated by signals from the body's immune system.
Study establishes link between early side effects from prostate cancer radiation and long-term side effects
Men undergoing radiation therapy for prostate cancer who experience side effects early in treatment may face a higher risk of developing more serious long-term urinary and bowel health issues, according to a new study.
¿Cómo afecta el uso de dispositivos digitales al desarrollo cognitivo infantil?
Un equipo científico formado por investigadores procedentes de varias universidades nacionales e internacionales ha analizado de forma exhaustiva la relación entre el uso de dispositivos digitales y el desarrollo cognitivo en la infancia, ofreciendo una síntesis integral del conocimiento actual.
A new therapeutic target for a lethal form of heart failure: ALPK2
Heart failure with preserved ejection function is a lethal form of heart failure, with few effective treatments.
El consumo de bebidas azucaradas aumenta el riesgo de diabetes
Un nuevo estudio publicado en la revista Cell Metabolism sugiere que la microbiota intestinal podrían desempeñar un papel clave en la relación entre el consumo de bebidas azucaradas y el riesgo de diabetes.
Healthy gut bacteria that feed on sugar analyzed
A microbe found in the lower part of the gut that is associated with good health has been comprehensively analyzed and found to have a focused diet breaking down sugars locked away in mucus, according to a new study.
With generative AI, chemists quickly calculate 3D genomic structures
Chemists have found a new way to determine 3D genome structures, using generative AI, that can predict thousands of genome structures in minutes, making it much speedier than existing methods for analyzing the structures.
New research unlocks key to longlasting immune response in cancer and chronic diseases
Prolonged illnesses like cancer and chronic infections often leave the immune system in a state of exhaustion, where its frontline defenders -- T cells -- lose their ability to function effectively.
Improving the performance of biosensors: Developing new materials for effectively harnessing the power of enzymes
Researchers have developed a new material that harnesses the power of enzymes more effectively.
Researchers identify protective properties of amniotic fluid
Researchers have made new discoveries about amniotic fluid, a substance historically not well understood in medical research due to the difficulty in obtaining it during pregnancy, especially across gestation.
Harnessing generative AI to treat undruggable diseases
Biomedical engineers have developed an AI-based platform that designs short proteins, termed peptides, capable of binding and destroying previously undruggable disease-causing proteins.
Gut microbes may mediate the link between drinking sugary beverages and diabetes risk
It's well known that consuming sugary drinks increases the risk of diabetes, but the mechanism behind this relationship is unclear.
Ribosomes team up in difficult situations, new technology shows
Researchers have developed a new microscopy technique to observe how ribosomes function in cells.
Most engineered human cells created for studying disease
The most complex engineering of human cell lines ever has been achieved by scientists, revealing that our genomes are more resilient to significant structural changes than was previously thought.
Experts publish framework for global adoption of digital health in medical education
A group of 211 international experts from 79 countries has today published a new framework to facilitate the design, development and implementation of digital health curricula in medical education worldwide.
Being social may delay dementia onset by five years
Being more social by visiting friends, attending parties and going to church may help keep your brain healthy, according to new research.
COVID lockdowns disrupted a crucial social skill among preschoolers, trailblazing study finds
Researchers discovered children ages 3 to 5 tested before and after COVID lockdowns had a significant gap in a key cognitive skill, particularly for children from homes with low financial resources and adults with less education.
Blood test may detect stroke type before hospital arrival, allowing faster treatment
People with brain bleeds had nearly 7 times higher blood levels of a specific brain protein, called glial fibrillary acidic protein (GFAP), than those who had strokes caused by clots in a study conducted in Germany.
Biomarker tied to premature cell aging may signal stroke, dementia, late-life depression
Shorter protective caps on chromosomes called telomeres, a proposed marker of accelerated biological cell aging, may be associated with an increased risk of stroke, dementia and late-life depression, according to an analysis of more than 356,000 people in the United Kingdom.
Stroke warning sign acronyms drive 911 calls, F.A.S.T. leads in symptom recall for public
Both F.A.S.T. and BE-FAST acronyms motivated people to call 911 right away for a possible stroke, and this impact lasted for 30 days.
Changing therapy practice to add higher-intensity walking improves early stroke recovery
By integrating 30 minutes a day of progressive walking exercise into standard stroke rehabilitation (30 to 60 minutes of physical therapy five days a week) stroke patients had a measurable improved quality of life and mobility at hospital discharge compared to a control group.
New light-tuned chemical tools control processes in living cells
A research group has developed new advanced light-controlled tools that enable precise control of proteins in real time in living cells.
ECG tests may someday be used by AI model to detect premature aging and cognitive decline
An artificial intelligence (AI) model designed to predict a person's biological age (age of body cells and tissues) based on electrocardiogram (ECG) data found a strong association between ECG-age and cognitive performance.
Sound is a primary issue in the lives of skateboarders, study shows Sound plays a significant and often poignant part of skateboarders' relationship with their sport, a new study shows.
This delicate nanoflower is downright deadly to bacteria
A carnation-like nanostructure could someday be used in bandages to promote wound healing.
Removing fallopian tubes during other abdominal surgeries may lower ovarian cancer risk
A mathematical modeling study suggests that ovarian cancer incidence could be reduced and healthcare savings boosted if women who have already completed their families were offered fallopian tube removal during any other suitable abdominal surgeries.
Women exercising in gyms often face barriers including body image and harassment
When exercising in gyms, women face barriers across various domains, including physical appearance and body image, gym attire, the physical gym environment, and interactions with others, according to a new study.
Borrowing nature's blueprint: How scientists replicated bone marrow
Researchers have developed a platform that emulates human bone marrow's native environment.
AI-based pregnancy analysis discovers previously unknown warning signs for stillbirth and newborn complications
By analyzing almost 10,000 pregnancies, researchers discovered previously unidentified combinations of risk factors linked to serious negative pregnancy outcomes, finding that there may be up to a tenfold difference in risk for infants who are currently treated identically under clinical guidelines.
Delays in cancer diagnosis for pregnant women
Cancer symptoms can sometimes be misdiagnosed as normal pregnancyrelated changes for women who are expecting, in some cases leading to a delay in treatment, according to a new study.
Low-level traffic air pollution linked to liver damage and fatty liver disease
Low levels of traffic-related air pollution harms the liver and may raise the risk of metabolic-associated fatty liver disease, a new study in mice suggests.
Artificial intelligence improves personalized cancer treatment
Personalized medicine aims to tailor treatments to individual patients. Until now, this has been done using a small number of parameters to predict the course of a disease.
TB or not TB? A new clinician decision support tool for tuberculosis
Patients with suspected tuberculosis (TB) require special precautions in healthcare facilities, and cases of TB have been rising in the US over the past several years.
The big chill: Is cold-water immersion good for our health?
In a comprehensive systematic review and meta-analysis, researchers have taken a deep dive into the effects of cold-water immersion on health and wellbeing.
Beneficial prenatal vitamins to reduce risk of infant death
Researchers publish landmark analysis on the impacts of prenatal vitamins on mothers and newborns.
How group size affects cooperation: Insights from brain science
New research challenges conventional wisdom that larger group size reduces cooperation by showing that fluid connections and innate prosocial instincts enable humans to thrive in larger social circles.
Ventilation in hospitals could cause viruses to spread further, study finds
Increased use of ventilation and air cleaners, designed to mitigate the spread of viral infections in hospitals, is likely to have unpredictable effects and may cause viral particles to move around more, according to a new study.
3D-printed brain-like environment promotes neuron growth
Key cells in the brain, neurons, form networks by exchanging signals, enabling the brain to learn and adapt at incredible speed.
Propranolol may reduce ischemic stroke risk in women with migraines Propranolol, a beta blocker medication used for treating high blood pressure and preventing migraines, may lower ischemic stroke risk in women who experience migraines frequently.
Findings may lead to blood test to predict risk of postpartum depression
Women who go on to develop postpartum depression (PPD) may have characteristic levels of neuroactive steroids, molecules derived from the hormone progesterone, in their blood during the third trimester of pregnancy, according to a new study.
A common mouth and gut bacteria may be linked with increased stroke risk
Increased levels of Streptococcus anginosus, a common type of bacteria that usually lives in the mouth and gut, was found in the gut of recent stroke survivors in Japan.
Suboptimal dietary patterns may accelerate biological aging as early as young adulthood
Humans do not always age biologically at the same rate as their chronological age.
AI boosts efficacy of cancer treatment, but doctors remain key
A new study shows that artificial intelligence (AI) can help doctors make better decisions when treating cancer.
Scientists shocked by durability of surgery-sparing technique
A nanotechnology-based drug delivery system developed to save patients from repeated surgeries has proved to have unexpectedly longlasting benefits in lab tests a promising sign for its potential to help human patients.
Study shows potential of resveratrol to aid fertility
A new study has highlighted the potential of resveratrol, a natural compound found in grapes, blueberries, and raspberries, to enhance female fertility.
No scientific link found between sickle cell trait and sudden death
A systematic literature review found no evidence to support that physical exertion without rhabdomyolysis (muscle breakdown) or heat injury can cause sudden death for individuals with sickle cell trait (SCT), nor is there any high-level evidence that SCT causes acute pain crises.
Las mujeres tienen mayor riesgo de sufrir covid persistente
Ser mujer es un factor de riesgo significativo para desarrollar síntomas persistentes tras la infección por SARS-CoV-2.
Las mujeres más pobres reciben peor atención contra el cáncer de mama en España
Un nuevo trabajo cuantifica por primera vez las desigualdades socioeconómicas en la atención sanitaria en mujeres con cáncer de mama en España.
'Sleep hygiene': How FIFO workers can get a better night's sleep
Better sleep hygiene could see fly-in, fly-out (FIFO) mining shift workers get a better night's sleep, new research has shown.
Regular dental flossing may lower risk of stroke from blood clots, irregular heartbeats
People who regularly floss their teeth (one or more times per week) may lower their risk of stroke caused by a blood clot traveling from the heart and a stroke associated with an irregular heartbeat such as atrial fibrillation (AFib).
Why you shouldn't scratch an itchy rash: New study explains
Your parents were right: Scratching an itchy rash really does make it worse.
Study finds three new safe, effective ways to treat drug-resistant tuberculosis
Study finds three new safe and effective drug regimens to fight multidrug-resistant TB.
Antibody treatment prevents severe bird flu in monkeys
The antibody targets a stable part of the bird flu virus, ensuring that the immune protection can resist new variants and offer long-term protection against the globally spreading airborne infection.
Earth scientists study Sikkim flood in India to help others prepare for similar disasters
Experts from the global Earth science community have pieced together what happened during the massive Sikkim flood to try to help others prepare for similar disasters.
Zika uses human skin as 'mosquito magnet' to spread virus further Zika virus hijacks the skin of its human host to send out chemical signals that lure more mosquitoes to infect and spread the disease further, new research shows.
A hearing aid for ... your nose?
Scientists have discovered a feedback loop in the brain's odor center that seems to put smells and sounds into context.
Optimism can boost saving, especially for lower-income individuals
Being optimistic about the future may help people save more money, and the effect appears strongest among those with lower incomes, according to new research.
Topical mupirocin lowers lupus inflammation
Systemic lupus erythematosus commonly presents as a rash. The rashes are caused by inflammation from the immune system fighting the body.
A weekly injection could replace painful daily treatment for rare fat disorder
A diabetes drug may beat costly shots for patients with a rare genetic condition, according to a Rutgers Health study.
Changing cholesterol over time tied to risk of dementia
Older adults whose cholesterol changes over time may be more likely to develop dementia than people whose cholesterol is stable, regardless of the actual cholesterol level, according to a new study.
Diagnostic stewardship optimizes detection of appendicitis
Although the delayed diagnosis of appendicitis is dangerous, overtesting can also be harmful.
Researchers uncover key insights into how the body protects against neuron damage
New research on nematodes reveals how glial cells maintain and monitor neuronal dendrites.
No differences between dementia care approaches on patient behavioral symptoms or caregiver strain
But the study, the largest pragmatic trial on dementia care, finds that comprehensive care improved caregiver self-efficacy.
Weather change linked to increased risk of Salmonella outbreaks
Climate change is impacting the spread of Salmonella, according to new research.
Precision medicine and inflammatory diseases: Power of metabolic modelling to generate personalized probiotics
A new approach to treating inflammatory diseases through personalised probiotic therapies also known as precision medicine has been proposed by researchers.
Better nurse staffing linked to fewer C-sections
Labor and delivery units that are adequately staffed by nurses have lower cesarean birth rates, according to new research published in the journal Nursing Outlook.
Guided self-help makes treating children with obesity easier and more affordable
According to a new study, self-guided family therapy for obesity could work just as well as traditional approaches at a fraction of the cost.
Logran reconectar la médula espinal seccionada de una rata gracias a espumas de grafeno
Un equipo del Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), dependiente del Ministerio de Ciencia, Innovación y Universidad (MICIU), ha logrado reconectar, en un modelo de rata, una médula espinal totalmente seccionada a nivel torácico gracias a una espuma en tres dimensiones creada con óxido de grafeno reducido.
New study improves the trustworthiness of wind power forecasts
By applying techniques from explainable artificial intelligence, engineers can improve users' confidence in forecasts generated by artificial intelligence models.
New insights into the perception of coffee taste -- genetic predisposition plays a role
Why does coffee taste more bitter to some people than it does to others? Researchers have now come closer to answering this question.
The benefits of speaking multiple languages
New psychology research indicates that multilingual children may have enhanced executive function and perspective taking skills.
Biotecnología
SEED-Selection enables highefficiency enrichment of primary T cells edited at multiple loci
Primary T cells with multiple genetic modifications are rapidly isolated by negative selection.
Safer non-viral DNA delivery using lipid nanoparticles loaded with endogenous anti-inflammatory lipids
Lipid nanoparticles carrying plasmid DNA and an inflammation inhibitor enable longer transgene expression than mRNA nanoparticles.
Una técnica permite manipular astrocitos para observar su impacto en el comportamiento
Este avance ha demostrado que estas células cerebrales forman subgrupos especializados y que son cruciales para los procesos de aprendizaje y recompensa.
Starving tumors with fat
Adipocytes can be isolated, genetically manipulated, and then reimplanted.
Sound healing and beyond Ultrasound neurotechnologies are moving quickly into clinical trials in a wide variety of applications, and initiatives to open-source their manufacture will make them more accessible.
Implantation of engineered adipocytes suppresses tumor progression in cancer models
Adipose manipulation transplantation can reduce tumor growth and proliferation in vitro and in mouse models.
Quantifying metabolites using structure-switching aptamers coupled to DNA sequencing
Metabolites can be quantified using a combination of aptamers and DNA barcodes.
Nuevos avances contra el tumor cerebral más agresivo acercan posibles ensayos clínicos
El Instituto de Neurociencias de Castilla y León (INCYL) trabaja en una línea de investigación contra el glioblastoma y ha logrado resultados prometedores.
Medioambiente
Clean air policies having unintended impact driving up wetland methane emissions by up to 34 million tons Reducing sulphur in the air may inadvertently increase natural emissions of methane from wetlands such as peatlands and swamps, a new study has found.
Forest landowner motivation to control invasive species depends on land use, study shows Many U.S. forests are privately owned, particularly in the Eastern and North Central part of the country.
Estudian el uso de reptiles para controlar plagas en invernaderos
El Instituto Andaluz de Investigación y Formación Agraria, Pesquera, Alimentaria y de la Producción Ecológica (Ifapa) ha iniciado en Almería los trabajos para la identificación y cuantificación de reptiles en invernaderos para valorar el beneficio que estas especies ofrecen a los agricultores, así como su papel en el control de plagas y en el equilibrio del ecosistema.
Un algoritmo sobre Google Earth puede detectar cambios forestales con el 93 % de precisión
El proyecto Bosques 3.0 ha logrado aplicar un algoritmo de detección y clasificación continua de cambios (CCDC) sobre la plataforma Google Earth Engine para monitorizar bosques con más del 93 % de precisión, según el Programa para el Reconocimiento de Certificación Forestal (PEFC) en España.
Reforms urged to improve global wildlife trade regulation
This week, the world's governments are meeting in Geneva for the 78th meeting of the Standing Committee of CITES, the Convention on International Trade in Endangered Species of Wild Fauna and Flora.
New record for CIGS perovskite tandem solar cells
Combining two semiconductor thin films into a tandem solar cell can achieve high efficiencies with a minimal environmental footprint.
Climate change is overhauling marine nutrient cycles
Computer models reveal how human-driven climate change will dramatically overhaul critical nutrient cycles in the ocean.
Scientists develop groundbreaking biosensor for rare earth element detection
Synthetic biologists have developed a prototype for an innovative biosensor that can detect rare earth elements and be modified for a range of other applications.
Partnership working key to unlocking EV battery recycling problem
Recyclers, battery manufacturers, and electric vehicle manufacturers must work together to revolutionize lithium-ion battery (LIB) recycling processes to meet ever-growing demand for electric vehicles (EVs) and energy storage systems.
Los árboles con hojas finas y buenas raíces son más resistentes al cambio climático
Un estudio reciente liderado por el Centro de Investigación Ecológica y Aplicaciones Forestales (CREAF) y la Universidad Autónoma de Barcelona (UAB) concluye que los árboles con hojas finas y raíces poderosas ganan terreno frente al cambio climático.
Nanomaterials are emerging as a powerful tool for coastal oil spill cleanup
Advances in nanotechnology may provide solutions to oil spill cleanups in coastal regions that are more effective, safer and work much faster than current methods, according to a new paper.
Un aumento de 0,5 ºC multiplicará por tres las zonas inhabitables de la Tierra
Un grupo internacional de científicos, dirigido por el King's College de Londres (Reino Unido), ha revelado cómo el continuo calentamiento global provocará que más partes del planeta se vuelvan demasiado calientes para el cuerpo humano en las próximas décadas.
New device uses electrically assisted wind to fight fires
Researchers have developed a new portable tool that could improve how firefighters douse fires, making the process more efficient and far less risky.
New study assesses impact of agricultural research investments on biodiversity, land use
New, groundbreaking research shows how, at a local scale, agricultural research and development led to improved crop varieties that resulted in global benefits to the environment and food system sustainability.
Global groundwater sulfate distribution map uncovers public health risks for 17 million people
A recent study has revealed a startling public health threat: About 17 million people are at risk of gastrointestinal problems due to excessive sulfate levels in groundwater.
España es el primer país europeo en ratificar el Tratado Global de los Océanos
España se ha convertido en el primer país europeo en ratificar este martes el Tratado sobre Diversidad Biológica
Marina en áreas fuera de la Jurisdicción Nacional (BBNJ, por sus siglas en inglés), ha anunciado la vicepresidenta tercera y ministra para la Transición Ecológica y el Reto Demográfico, Sara Aagesen.
Se buscan pescadores y políticos para recuperar tiburones y rayas del Mediterráneo
El proyecto SHARKO tratara de mejorar el estado de conservación de las poblaciones de tiburones y rayas en el Mediterráneo español con la implicación de pescadores y responsables políticos, ha avanzado la Fundación Marilles, impulsora de la iniciativa en colaboración con el Shark Conservation Fund (SCF).
Encuentran por primera vez castores en el río Tajo, donde llevan siglos desaparecidos
Los investigadores Marco Ansón y Celia García Prendes han hallado por primera vez ejemplares de castores en el río Tajo, una especie autóctona pero desaparecida desde hace siglos y catalogada actualmente entre las especies protegidas por la UE.
Discovery of water droplet freezing bridges atmospheric science, climate solutions
A groundbreaking study on the freezing of water droplets suspended in air sheds light on a key process in Earth's water cycle: the transformation of supercooled water into ice.
The cost of preventing extinction of Australia's priority species
A new study has estimated it would cost $15.6 billion per year for 30 years to prevent extinction for 99 of Australia's priority species.
Study examines how African farmers are adapting to mountain climate change
A new international study highlights the severity of climate change impacts across African mountains, how farmers are adapting, and the barriers they face findings relevant to people living in mountain regions around the world.
Revealing underwater secrets with new technique
Scientists are hoping a new research technique will help unlock underwater secrets of marine wildlife.
Temperature, rainfall and tides speed glacier flow on a daily basis
Detailed study of a Greenland glacier's flow rate reveals the impact of environmental conditions.
Green phosphonate chemistry -Does it exist?
Phosphorus is a critical raw material that should be recycled more efficiently.
Electricity prices across Europe to stabilize if 2030 targets for renewable energy are met, study suggests National targets for solar and wind power will see reliance on natural gas plummet, reducing electricity price volatility across Europe, with major beneficiaries including the UK and Ireland, the Nordics, and the Netherlands.
Tiny copper 'flowers' bloom on artificial leaves for clean fuel production
Tiny copper 'nano-flowers' have been attached to an artificial leaf to produce clean fuels and chemicals that are the backbone of modern energy and manufacturing.
Las poblaciones de ratas aumentan en las ciudades por temperaturas cada vez más cálidas
Las poblaciones de ratas están aumentando en las ciudades debido sobre todo al aumento de las temperaturas medias, según un nuevo estudio que incluye datos de 16 urbes del mundo correspondientes a un período medio de 12 años.
We have underrated the climate effects of new particles in urban areas
A recent study has uncovered compelling evidence suggesting that the climate effects of new particles in urban areas have been significantly underestimated.
More, bigger crevasses open up in Greenland ice sheet, threatening increased sea level rise
More crevasse activity could lead to positive feedback loop threatening Greenland glacier's stability.
Building a circular future: Study reveals key organizational capabilities for sustainability A recent study by management scholars underscores the importance of organizations' dynamic capabilities for greener business practices.
Global internet grid could better detect earthquakes with new algorithm
Early detection of earthquakes could be vastly improved by tapping into the world's internet network with a groundbreaking new algorithm, researchers say.
High-yield rice breed emits up to 70% less methane
Rice cultivation is responsible for around 12% of global methane emissions, and these emissions are expected to increase with global warming and as the human population continues to grow.
Life cycles of some insects adapt well to a changing climate: Others, not so much
Some biologists speculate that animals will get smaller with global warming to reduce heat stress.
El 76% de los humedales presentan un estado de conservación desfavorable en España
El 76% de los tipos de hábitats de interés comunitario vinculados a zonas húmedas en España presentan un estado de conservación desfavorable, según SEO/BirdLife.
Future of UK peatlands under threat due to climate change
The UK's peatlands face an uncertain future amid the escalating impacts of climate change.
Cómo la IA está transformando la medición de emisiones en sectores clave y cómo impacta esta innovación en el cumplimiento de la normativa CSRD.
Por Pablo Rivadulla Business
Developer España Hoy, más que nunca, la sostenibilidad y la digitalización están en el centro de nuestra toma de decisiones.
Recycling lithium-ion batteries cuts emissions and strengthens supply chain
Researchers compared the environmental impacts of lithium-ion battery recycling to mining for new materials and found that recycling significantly outperforms mining in terms of greenhouse gas emissions, water use, and energy use.
How does the atmosphere affect ocean weather?
A new study of satellite imagery and high-resolution climate model data upends previous assumptions and provides insight about how the atmosphere and ocean weather patterns interact.
Carbon capture from constructed wetlands declines as they age Constructed wetlands do a good job in their early years of capturing carbon in the environment that contributes to climate change but that ability does diminish with time as the wetlands mature, a new study suggests.
Burn grasslands to maintain them: What is good for biodiversity?
As grasslands get abandoned, controlled burning is discussed as a labor-saving method of keeping forests at bay.
Groundwater in Arctic is delivering more carbon into the ocean than was previously known A relatively small amount of groundwater trickling through Alaska's tundra is releasing huge quantities of carbon into the ocean, where it can contribute to climate change.
Cold waves in the rainforest: What they mean for wild animals
It's not always cozy and warm in the Amazon rainforest: Cold waves can cause temperatures to drop drastically.
New 'Matchless' grass variety yields high seed count without need for field burning
A new grass variety, 'Matchless,' offers seed growers higher yields without the harmful impacts of burning.
Role of barrier films in maintaining the stability of perovskite solar cells
Flexible perovskite solar cells are promising for lightweight and versatile applications but their sensitivity to humidity and temperature poses a challenge to long-term durability.
New technology tracks dairy cows for improved health and productivity
High-quality milk remains in high demand, but managing the health of dairy cows is becoming increasingly challenging.
Lead contamination in ancient Greece points to societal change
Studies of sediment cores from the sea floor and the coastal regions surrounding the Aegean Sea show that humans contaminated the environment with lead early on in antiquity.
Las lluvias "normales" de otoño e invierno suponen un importante beneficio para Doñana
Las lluvias caídas en Doñana durante el otoño y el invierno, que están en la media normal, están produciendo efectos "muy positivos" para el espacio natural, ya que están posibilitando que la dinámica de la vegetación cambie, que entre agua en la marisma y que haya una infiltración del suelo.
Earth scientists study Sikkim flood in India to help others prepare for similar disasters
Experts from the global Earth science community have pieced together what happened during the massive Sikkim flood to try to help others prepare for similar disasters.
Performance-improvement mechanisms of tin-based perovskite solar cells
Researchers have used electron spin resonance technology to observe the state and movement of the charge inside Ruddlesden-Popper tin -based perovskite solar cells, an emerging technology for next-generation solar cells.
Wildfire smoke can carry toxins hundreds of kilometers, depositing grime on urban structures, surfaces
Researchers have shown that plumes of wildfire smoke can carry contaminants hundreds of kilometers, leaving a toxic and lingering footprint which has the potential to be re-released into the environment.
Researcher on energy revolution: Sustainability is still a work in process
The world is experiencing more frequent and intense heat waves, floods, hurricanes, and wildfires due to rising greenhouse gas emissions.
Las aves acuáticas prefieren los humedales del norte peninsular
La crisis climática tiene un impacto directo en las migraciones de las aves, que ahora prefieren los humedales del norte peninsular.
Optical fiber sensor provides simple and sensitive detection of arsenic in drinking water
Researchers have developed a new optical sensor that provides a simple way to achieve real-time detection of extremely low levels of arsenic in water.
Oceanic plate between Arabian and Eurasian continental plates is breaking away
An international research team has investigated the influence of the forces exerted by the Zagros Mountains in the Kurdistan region of Iraq on how much the surface of the Earth has bent over the last 20 million years.
Promoting cacao production without sacrificing biodiversity
The productivity of cacao trees decreases with time, forcing farmers to renew their plantations by either cutting down the old trees or establishing a new crop elsewhere.
Need for better wildfire readiness in Eastern Coachella Valley
A study highlights the need for improved wildfire preparedness tailored to disadvantaged communities in unincorporated areas of the Eastern Coachella Valley and identifies effective ways to bridge critical communication gaps.
Polar bear population decline the direct result of extended 'energy deficit' due to lack of food
Researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change.
España baja el ritmo en sostenibilidad respecto a la UE España ha bajado el ritmo en materia de sostenibilidad y, por primera vez, se ha situado por debajo de la velocidad media de la Unión Europa, según el informe bienal "Green Transition Index" de la consultora
Oliver Wyman, en el que pierde cinco puestos, del 14 al 19, y en el que sólo Francia tiene un peor desempeño (baja 6 posiciones).
Más de 2,7 millones de personas viven en zonas inundables pero se sigue construyendo en ellas
Greenpeace ha denunciado que más de 2,7 millones de personas viven en zonas con alto riesgo de inundación, que ocupan más de 26.000 kilómetros en España. De ellas, 700.000 habitan en las zonas de mayor riesgo.
Sharks and rays benefit from global warming, but not from CO2 in the Oceans
Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living today are severely threatened by overfishing and the loss of their habitat.
Freshwater alga could be the next superfood that feeds the world
A green alga that grows in lakes and rivers could be the next 'superfood'- helping scientists to tackle global food security challenges while promoting environmental sustainability.
La diversidad genética disminuye en el mundo, pero los esfuerzos ayudan a mantener las especies
Estudio revela la pérdida de dos tercios de la diversidad genética global, pero subraya que los esfuerzos de conservación están revirtiendo esta situación en algunas especies.
Walk like a ... gecko? Animal footpads inspire a polymer that sticks to ice
A solution to injuries from slips and falls may be found underfoot literally.
Antarctic fast ice secrets
Scientists have successfully analyzed more than 30 years of vital data on the thickness of landfast sea ice in Antarctica's McMurdo Sound, which will prove useful to measure future impacts of climate change.
A window into the future of Amazonia
New research from a team of tropical biologists forecasts some of the changes that may occur in the Amazon rainforest as temperatures rise due to climate change.
Research leads to viable solution for polycotton textile waste recycling
Researchers present a solution to the challenging problem of recycling poly-cotton textile waste.
Chemical looping turns environmental waste into fuel
Turning environmental waste into useful chemical resources could solve many of the inevitable challenges of our growing amounts of discarded plastics, paper and food waste, according to new research.
Common plastic pigment promotes depolymerization
This startling mechanism for promoting depolymerization relies on an additive that many plastics already contain: a pigment called carbon black that gives plastic its black color.
Protecting the Plains: Conserving prairie dogs will revitalize North America's grasslands
Researchers have identified priority areas for conserving the black-tailed prairie dog in the United States.
Study reveals how microbes help detoxify our atmosphere
Researchers have discovered crucial new information about how microbes consume huge amounts of carbon monoxide (CO) and help reduce levels of this deadly gas.
New study improves the trustworthiness of wind power forecasts
By applying techniques from explainable artificial intelligence, engineers can improve users' confidence in forecasts generated by artificial intelligence models.
Así están cambiando nuestros bosques por el cambio climático y el abandono rural
La combinación de cambio climático y abandono rural está cambiando la distribución de ciertas especies de árboles en la Península Ibérica, según una investigación que ha analizado la evolución de 445.000 especies en los últimos 25 años y que concluye que los árboles de hojas finas y raíces poderosas están ganando terreno en España.
Research contrasts drought sensitivity of Eurasian and North American grasslands
Grasslands in Asia and North America differ in their responses to drought, according to a new article.
Investigadores trabajan para desarrollar nuevas soluciones al ruido del tráfico urbano El grupo de investigación del Laboratorio de Ingeniería Acústica y Vibraciones (LIAV) de la Universidad Miguel Hernández (UMH) de Elche (Alicante), integrado dentro del Instituto de Investigación en Ingeniería de Elche (I3E), centra una de sus principales líneas de trabajo en el control del ruido ambiental, más en concreto en el del tráfico rodado.
Ciencia
Así se mueve la marea humana del chupinazo de San Fermín, según la física
Cada año, en las fiestas de San Fermín de Pamplona se congregan miles de personas.
Quantum machine offers peek into 'dance' of cosmic bubbles
Physicists have performed a groundbreaking simulation they say sheds new light on an elusive phenomenon that could determine the ultimate fate of the Universe.
Spinning neutron star gains enormous magnetic fields
An international team of scientists have modelled formation and evolution of strongest magnetic fields in the Universe.
Wobbling stars reveal hidden companions in Gaia data
Using data from the European Space Agency's Gaia mission, scientists have found a huge exoplanet and a brown dwarf.
Straight shot: Hubble investigates galaxy with nine rings
NASA's Hubble Space Telescope has captured a cosmic bullseye! The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an 'arrow' -- a far smaller blue dwarf galaxy shot through its heart.
Researchers solve a fluid mechanics mystery
Seven years ago, researchers caught an unexpected phenomenon on film: A pool of red dye that somehow 'knew' how to solve a maze filled with milk.
Printable molecule-selective nanoparticles enable mass production of wearable biosensors
Researchers have developed a way to print nanoparticles like ink, creating inexpensive sweat sensors that can continuously monitor multiple molecules.
Descubierto el primer sistema planetario del experimento KOBE
Un equipo de investigadores del Centro de Astrobiología (CAB, CSICINTA), en colaboración con el Instituto de Astrofísica de Portugal, el Laboratorio de Astrofísica de Marsella y el Observatorio de Ginebra, ha confirmado el primer sistema planetario detectado por el experimento KOBE.
Lightsails could reach distant star systems
A team of scientists has made the first experimental measurements of laser-induced motions of miniature lightsails in the lab.
Bat wings boost hovering efficiency
Researchers have designed flexible, bat-like wings that boost lift and improve flight performance.
New acoustic wave phenomenon discovered
This novel finding regarding the nonreciprocal diffraction of acoustic waves could open doors for nextgeneration communication devices.
New atom-based thermometer measures temperature more accurately
Scientists have developed a new method for measuring temperature extremely accurately by using giant 'Rydberg' atoms.
Un 1,2 por ciento de probabilidades de que el asteroide 2024 YR4 caiga a la Tierra
El asteroide 2024 YR4 tiene casi un 99% de probabilidades de pasar cerca de la Tierra sin causar daños en ella el 22 de diciembre de 2032, pero todavía no puede descartarse por completo un posible impacto, según la información extraída de análisis de observaciones, actualizada a 29 de enero de 2025, con la que trabajan la ESA y la NASA, respectivamente las agencias espaciales europea y estadounidense.
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/