BioNoticias
3ª semana de febrero 2025
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BioNoticias. Resumen de prensa semanal
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Biología
Evalúan el impacto de las temperaturas de 2024 en los objetivos del Acuerdo de París
La probabilidad potencial de superar los objetivos del Acuerdo de París, que pasan por limitar el calentamiento a 1,5 °C por encima de las temperaturas preindustriales, es motivo de análisis de dos artículos publicados en la revista Nature Climate Change.
Una mosca con un falso rostro de termita se infiltra en un termitero
La naturaleza está repleta de impostores, y muchos de ellos se encuentran entre los insectos.
El conocimiento sesgado de la biodiversidad y el funcionamiento de los ecosistemas de la Antártida dificulta su conservación
Un estudio coliderado por el CSIC propone estandarizar los métodos de estudio y la integración y accesibilidad de los datos disponibles.
El canto de las ballenas tiene similitudes con el habla humana en términos de eficacia
El canto de las ballenas puede ser, en ocasiones, tan eficaz como la comunicación humana y además se ha identificado que el de las ballenas jorobadas tiene una estructura similar a la de un lenguaje.
Analizan las aguas subterráneas afectadas por la DANA de Valencia Los resultados de este estudio permitirán determinar si las aguas subterráneas han sido afectadas por contaminantes y diseñar futuras medidas de protección de los acuíferos ante estos eventos climáticos.
Hallado en la Antártida el fósil del ave moderna más antigua Hace entre sesenta y seis millones de años, al final del período Cretácico, el impacto de un asteroide cerca de la península de Yucatán, en México, provocó la extinción de todos los dinosaurios conocidos a excepción de las aves.
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).
El primer embrión de canguro "in vitro" para ayudar a conservar marsupiales
Un grupo de científicos australianos han logrado crear el primer embrión de canguro mediante la fecundación "in vitro", lo que, en un futuro, podría ayudar a conservar otras especies de marsupiales amenazadas por la extinción.
Follow the fish's gaze
In swarm research, a new method makes it possible to track the eye movements of fish automatically, non-invasively and in 3D.
Birds-of-paradise are biofluorescent
New research reports, for the first time, the widespread occurrence of biofluorescence in birds-of-paradise.
International Shark Attack File Report: Unprovoked shark bites plummeted in 2024 2024 was an exceptionally calm year for shark bites. Worldwide, there were only 47 unprovoked attacks, down 22 from the previous year and well below the 10-year average of 70.
Study takes a 'bite' out of shark depredation using citizen science Shark depredation is a rising issue in recreational fishing, especially in Florida, where sharks steal fish straight off anglers' lines.
Candidate genes in canine hepatocellular carcinoma for molecular targeted therapy Unresectable canine hepatocellular carcinoma (HCC) has limited nonsurgical treatment options. Sorafenib is a targeted therapy for unresectable canine HCC.
Cold temperatures promote spread of a bird pink eye pathogen at winter feeders
A recent study by two biological science researchers found that a pathogen for bird pink eye remained viable on bird feeders in winter months much longer than in summer months, without losing any of its severity.
Boosting evolution: How humans unintentionally altered the skulls of pigs
Short snouts and a flat profile -within a span of 100 years, humans have significantly changed the shape of the skulls of German domestic pigs.
Cracking the Burmese python code: New data zeroes in on gamechanging strategies
Scientists statistically analyzed large amounts of data collected by Burmese python contractors, revealing critical insights about how to most efficiently remove the reptiles.
Evidence of cannibalism 18,000 years ago
An international research team has gained new insights into the burial rituals of Late Ice Age societies in Central Europe.
Scientist discovers 16 new grasshopper species, champions desert biodiversity
A scientist has discovered a hopping treasure trove 16 new species of grasshoppers living in the thorny scrubs of U.S. and Mexican deserts.
Novel bacteria parasitizing archaea
Researchers have succeeded in cultivating an ultra-small bacterial strain parasitizing archaea and classified it as new species and genus of Minisyncoccus archaeiphilus.
Less, but more: A new evolutionary scenario marked by massive gene loss and expansion
Evolution is traditionally associated with a process of increasing complexity and gaining new genes.
Soft tissue from a 183 million-yearold Jurassic plesiosaur analyzed
Researchers have analyzed the soft tissue from a fossilized plesiosaur for the first time. The results show that the long-necked marine reptile had both smooth and scaly skin.
Some species of baleen whales avoid attracting killer whales by singing too low to be heard
New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz.
Mantis shrimp clubs filter sound to mitigate damage
Mantis shrimp withstand repeated high-impact forces without structural damage.
Whale poop contains iron that may have helped fertilize past oceans
A recent theory proposes that whales weren't just predators in the ocean environment: Nutrients that whales excreted may have provided a key fertilizer to these marine ecosystems.
Illuminating the beginnings of animal development
New biophysics research adds to our knowledge about the origins of leftright asymmetry in the body.
Male flies sharpened their eyesight to call the females' bluff
With bloated bellies and hairy legs, female flies try to look bigger to get food from courting mates. But male flies, in turn, have sharpened their eyesight to call their bluff.
Biomedicina
For Valentine's Day: Measure your relationship with a scientific selftest
Answer seven questions and get an indication of how your relationship is right now. Just in time for Valentine's Day, researchers are publishing a new study that introduces a scientifically validated scale, the 'Valentine's Scale'.
Si no hay ADN, el rastro único que deja el microbioma genital puede delatar al agresor sexual
Las investigaciones judiciales de agresiones sexuales heterosexuales suelen incluir un análisis de ADN de los genitales de la mujer con el objetivo de identificar la presencia de esperma del agresor como prueba.
As more Americans work later in life, poll shows positive health impacts, especially for those over 65 Having a job -- whether it's working for someone else or being their own boss gives older Americans more than just a way to earn money or get health insurance, a new poll finds.
Causes of fevers of unknown origin in sub-Saharan Africa
A new retrospective, laboratorybased observational study provides detailed insights into the causes of fevers of unknown origin in subSaharan Africa.
Researchers create genetic map tied to kidney disease
Over 1,000 genes may serve as possible treatment targets for individuals with kidney disease, according to a new study.
Breakthrough in click chemistry: Innovative method revolutionizes drug development Triple click chemistry has revolutionized chemical synthesis with its simplicity and efficiency, allowing for the quick and selective assembly of complex molecules.
Looking between cells Rhobo6, a light microscopy probe, gives scientists an unprecedented look at the extracellular matrix the collection of organized molecular structures that fills the spaces between cells in our bodies.
Desarrollan nanopartículas
orgánicas que llegan a los tumores de próstata para liberar el fármaco
Un equipo del Instituto de Investigaciones Químicas (IIQ), centro mixto del Consejo Superior de Investigaciones Científicas (CSIC) y la Universidad de Sevilla (US), ha desarrollado dos nanopartículas orgánicas capaces de alcanzar de forma específica los tumores de próstata y liberar una cantidad efectiva de fármaco para eliminarlos.
Putting least calorific meals first on menu makes teenagers more likely to order them
New research has found that putting lower-calorie meal choices at the top of a restaurant menu, and reducing the availability of high-calorie options, makes teenagers more likely to order the healthier options.
Best approach for stroke in mediumsized blood vessels
Researchers continue to advance the science to determine best treatments for stroke.
How cancer cells trick the immune system by altering mitochondria
Immunotherapy, which uses programmed immune cells to selectively destroy cancer cells, has transformed cancer treatment. However, cancer cells have developed immune evasion strategies, leading to poor treatment responses.
El tabaquismo pasivo en la infancia deja huella en el ADN de niños y niñas
Los niños y niñas expuestos al humo del tabaco en el hogar son más propensos a mostrar determinados cambios en el epigenoma, los cuales pueden alterar la manera en que los genes se expresan.
Barbeque and grandma's cookies: New study looks at nostalgia, comfort in food preparation for older adults
Foods that evoke a sense of nostalgia and comfort and have good texture variety are important considerations in prepared meals aimed at older adults, according to new research.
La activación del sistema inmunitario materno afecta al desarrollo neuronal del feto
La respuesta de la madre ante una infección interfiere en la síntesis y modificación de proteínas clave para el desarrollo neuronal, según un nuevo estudio llevado a cabo en ratones.
Disruption of a single amino acid in a cellular protein makes breast cancer cells behave like stem cells Changes to the intermediate filament (IF) protein, vimentin, were found to promote tumor growth by increasing cancer stemness in an oestrogen independent manner.
Opening for a new type of drug for Alzheimer's disease
A complementary drug to combat Alzheimer's disease could target a specific part of the nerve cell protein tau.
Researchers discover new mechanism for male sex hormone
Researchers have discovered a new mechanism that is used by a male sex hormone essential for muscle and bone function.
Microbiome as a potential key to better treatment: Clinical study on new therapy for Crohn's disease
A special liquid diet, known as exclusive enteral nutrition, is an essential therapy for Crohn's disease.
Mechanical heart valve replacements have better long-term survival
Patients aged between 50 to 70 years with a mechanical heart valve replacement had better long-term survival compared to those with a biological valve, new research has found.
Breast cancers broadly defined by their genome architecture
Breast cancers at all stages are defined by the structure of their genomes, researchers find.
New smart sensor takes the pain out of wound monitoring
A major challenge in self-powered wearable sensors for health care monitoring is distinguishing different signals when they occur at the same time.
Cancer's ripple effect may promote blood clot formation in the lungs
Blood clots form in response to signals from the lungs of cancer patients not from other organ sites, as previously thought according to a preclinical study.
Music makes us move even when we don't like it
The pleasurable urge to move to music -- to groove -- appears to be a physiological response independent of how much we generally enjoy music, according to a new article.
Gene modification could improve cancer treatment's success rate
A research team has made a major discovery on how the CUL5 gene affects CAR-T cell therapy, an advanced cancer therapy.
Born to heal: Why babies recover, but adults scar, after heart damage
Newborns with heart complications can rely on their newly developed immune systems to regenerate cardiac tissues, but adults aren't so lucky.
Mystery solved: New study reveals how DNA repair genes play a major role in Huntington's disease
A new study has discovered in mouse models that genes associated with repairing mismatched DNA are critical in eliciting damages to neurons that are most vulnerable in Huntington's disease and triggering downstream pathologies and motor impairment, shedding light on disease mechanisms and potential new ways to develop therapies.
Deep learning to increase accessibility, ease of heart imaging
Researchers have developed a method that leverages artificial intelligence to ensure accurate heart scans without added radiation or cost.
New perspectives for personalized therapy of brain tumors
Scientists have developed an innovative method for growing brain tumors of individual patients in the laboratory that mimic the original structure and the molecular property of the parental tumor as closely as possible.
'Junk' RNA segments play role in protein production, cell stress response
Scientists have discovered that some tiny segments of RNA thought to be junk instead have a functional role in suppressing production of certain messenger RNAs and appear to help cells respond to oxidative stress.
Born too late? Climate change may be delaying births
New research has found exposure to outdoor air pollution and extreme temperatures during pregnancy may increase the risk of prolonged pregnancy, offering new insights into the impact of climate change on maternal health.
Ready (or not) for love? Your friends likely agree
A new study found that friends significantly agreed on who was ready for committed relationships and who wasn't.
When teen body image becomes a deadly perception
Adolescents who perceive themselves as overweight are three times more likely to consider committing self-harm compared to those who do not, regardless of whether the person is objectively overweight, according to a new study.
Influenza A viruses adapt shape in response to environmental pressures
Influenza A virus particles strategically adapt their shape to become either spheres or larger filaments -- to favor their ability to infect cells depending on environmental conditions, according to a new study.
Detection of hazardous chemicals in human placenta with unprecedented speed and precision
Scientists have demonstrated a new method for detecting the presence of dangerous chemicals from tobacco smoke in human placenta with unprecedented speed and precision.
Research pinpoints weakness in lung cancer's defenses
Scientists uncover an enzyme that boosts cancer cell metabolism to fuel growth.
New study on drug checking: Trend
warnings and alerts
A new study analyses how other countries' drug checking services use and share data, as a way of helping Australia's policymakers decide what to do with ours.
Blood test eases diagnosis of invasive mold disease
A new blood test is designed to find mold infections deep inside the body, sparing patients from tissue biopsies.
Physician's medical decisions benefit from chatbot, study suggests A study showed that chatbots alone outperformed doctors when making nuanced clinical decisions, but when supported by artificial intelligence, doctors performed as well as the chatbots.
Scientists develop realistic 'microgut' model to study the relationship between gut microbes and human diseases
In a breakthrough for the advanced study of gut health, scientists have developed a 3D microscopic version of the human intestines condensed into a small chip about half the size of a five-cent coin.
Reasons for misdiagnosis of frontotemporal dementia
Researchers discovered that nearly 70 per cent of suspected frontotemporal dementia patients ultimately did not have the disease in a study aimed at identifying factors that contribute to misdiagnosis of this notoriously difficult to diagnose disorder.
Biomarker test can detect Alzheimer's pathology earlier Years before tau tangles show up in brain scans of patients with Alzheimer's disease, a biomarker test can detect small amounts of the clumping-prone tau protein and its misfolded pathological forms that litter the brain, cerebrospinal fluid and potentially blood, new research suggests.
Bacteria, brains, and sugar: Scientists uncover new connections
Using a new method to study how carbohydrates modify proteins, scientists have discovered that gut bacteria can alter molecular signatures in the brain.
High-tech video optimization in our brain
Why do our mental images stay sharp even when we are moving fast? A team of neuroscientists has identified a mechanism that corrects visual distortions caused by movement in animals.
How does the brain differentiate new stimuli from old ones?
A study sheds light on how networks in the brain detect new information, offering insight into disorders like schizophrenia.
New treatment may offer quick cure for common cause of high blood pressure
A revolutionary new treatment called Targeted Thermal Therapy (Tripel T) offers a safer, faster alternative to surgery for patients with high blood pressure caused by Primary Aldosteronism, a hormonal disorder.
New study offers hope to patients with advanced liver cancer, cirrhosis Researchers describe successful tumor removal through the use of immunotherapy and targeted radiation therapy (TARE), in a patient previously considered ineligible for the procedure.
Potential new pathway to fight viruses
Scientists have identified genetic components in bats that provide insight into their immune systems.
Drug may counteract muscle loss and osteoporosis after rapid weight loss
Rapid weight loss affects muscle mass and can increase the risk of osteoporosis.
Eating gradually increasing doses of peanut butter enables children with high-threshold allergy to safely consume peanuts, study suggests
Findings suggest a safe, inexpensive, and effective pathway for allergists to treat children who already tolerate at least half a peanut.
Brain waves measure the effect of anti-alcohol campaigns
To evaluate the effectiveness of public video campaigns against risky alcohol consumption, psychologists used EEG measurements to examine the synchronization of brain activity in groups of viewers. In a recent study, they present new ways to bring the method out of the laboratory and into real-life application in the public health sector.
Posible nueva pastilla para eliminar los gusanos intestinales
Un nuevo comprimido, que combina albendazol e ivermectina, es seguro y más eficaz que un comprimido de solo albendazol en el tratamiento contra el Trichuris trichiura y otros helmintos transmitidos por el suelo, según un reciente ensayo clínico.
From muscle to memory: New research uses clues from the body to understand signaling in the brain New research shows that a network of subcellular structures similar to those responsible for propagating molecular signals that make muscles contract are also responsible for transmitting signals in the brain that may facilitate learning and memory.
Spliceosome: How cells avoid errors when manufacturing mRNA
A complex molecular machine, the spliceosome, ensures that the genetic information from the genome, after being transcribed into mRNA precursors, is correctly assembled into mature mRNA.
Scratching through the negative emotions
'We feel sorry because we cry,' wrote philosopher and psychologist William James, 'angry because we strike, afraid because we tremble,' suggesting that emotional bodily responses like crying cause cognitive changes, such as feelings of sorrow.
Clot-busting meds may be effective up to 24 hours after initial stroke symptoms
In a randomized clinical trial, giving the clot-busting medication alteplase up to 24 hours after stroke symptoms first appeared increased the odds of better recovery by 50% compared to those who received standard antiplatelet treatment.
Mitochondria may hold the key to curing diabetes
Mitochondria are essential for generating energy that fuels cells and helps them function.
Co-located cell types help drive aggressive brain tumors
A type of aggressive, treatmentresistant brain tumor has a distinct population of immune cells that support its growth, according to new research.
Personalized cancer treatment using 3D bioprinting technology
Scientists have successfully developed a gastric cancer model using 3D bioprinting technology and patient-derived cancer tissue fragments.
Pregnancy complications linked to cardiovascular disease in the family
Women who have experienced pregnancy complications have an increased risk of cardiovascular disease.
Pancreatic cancer immune map provides clues for precision treatment targeting
Pancreatic cancer patients may benefit from future precision treatments as a new study shows how some tumors may potentially be more susceptible to macrophagebased therapies, and clues behind why these tumors don't respond to existing immunotherapies.
Saving energy is 'in', even neurons are joining in
Nerve cells have amazing strategies to save energy and still perform the most important of their tasks.
Genetic research unlocks new ways to prevent and treat multiple longterm conditions
The largest study to date to analyse millions of both genetic and patient records on the long-term health conditions of later life has identified opportunities for new ways to prevent and treat multiple overlapping conditions.
ALS survival may be cut short by living in disadvantaged communities Living in a disadvantaged community may decrease the length of time a person can survive with amyotrophic lateral sclerosis, or ALS, by over 30%, a study suggests.
Do embedded counseling services in veterinary education work? A new study says 'yes'
Embedded counseling services are becoming increasingly common in veterinary medical programs, but their effectiveness has not historically been measured.
Discovery of unexpected collagen structure could 'reshape biomedical research'
Collagen, the body's most abundant protein, has long been viewed as a predictable structural component of tissues.
A new way to detect inflammation
Nearly every disease has an inflammatory component, but blood tests can't pinpoint inflammation in specific organs or tissues in the human body.
Testing AI with AI: Ensuring effective AI implementation in clinical practice
Using a pioneering artificial intelligence platform, researchers have assessed whether a cardiac AI tool recently trialed in South Australian hospitals actually has the potential to assist doctors and nurses to rapidly diagnose heart issues in emergency departments.
Researchers achieve total synthesis of ibogaine
Researchers have achieved total chemical synthesis of the psychoactive compound ibogaine and its analogs from pyridine.
Novel 'living' biomaterial aims to advance regenerative medicine
A biomaterial that can mimic certain behaviors within biological tissues could advance regenerative medicine, disease modeling, soft robotics and more, according to researchers.
Warding off superbugs with a pinch of turmeric
The researchers showed that when curcumin is intentionally given to bacteria as food and then activated by light, it can trigger deleterious reactions within these microbes, eventually killing them.
Essential genome of malaria parasite Plasmodium knowlesi mapped
A new, comprehensive map of all the genes essential for blood infections in Plasmodium knowlesi (P. knowlesi), a parasite that causes malaria in humans, has been generated.
Cystic fibrosis damages the immune system early on Despite new medication, cystic fibrosis often leads to permanent lung damage.
Some species are susceptible to broad range of viruses
A study of fruit flies shows some species are highly susceptible to a wide range of viruses.
Improved brain decoder holds promise for communication in people with aphasia
A new AI-based tool can translate a person's thoughts into continuous text, without requiring the person to comprehend spoken words.
Nutrition labels meant to promote healthy eating could discourage purchases
As the U.S. Food and Drug Administration weighs whether to require front-of-package food labels, a new study shows some food labels designed to nudge Americans toward healthier food choices can have the opposite effect.
Is CBD use during pregnancy as safe as people think? New study uncovers potential risks to babies
A new study has uncovered potential risks, including impaired fetal growth, associated with the use of both tetrahydrocannabinol (THC), the primary psychoactive component of cannabis, as well as CBD, during pregnancy.
Las condiciones climáticas pueden influir en la propagación de la covid19
Un equipo internacional liderado por el Instituto de Ciencias del Mar (ICMCSIC), en colaboración con la Universidad de Girona y el Hospital Germans Trias i Pujol, ha identificado cómo variables ambientales como la presión atmosférica y la humedad relativa pueden influir significativamente en la propagación del virus SARS-CoV-2, responsable de la covid-19.
New computational method reveals congestive heart failure
A team of physicists has developed a groundbreaking method for detecting congestive heart failure with greater ease and precision than previously thought possible.
AI tool helps find life-saving medicine for rare disease
Set to enter hospice care, a patient with idiopathic multicentric Castleman's disease is now in remission after treatment with a medication identified by an AIguided analysis.
Uncovering how developmental genes are held in a poised state
New research has investigated the mechanism by which bivalency functions to poise genes for expression during cell differentiation, providing insight into a long-standing paradigm in the regulation of developmental gene expression, revealing a key mechanism that has so far eluded experimental scrutiny.
The two proteins involved in Alzheimer's disease affect brain circuits differently
A research team has discovered that the two key pathological hallmarks of Alzheimer's -- tau protein and betaamyloid affect brain circuits in distinct yet synergistic ways, particularly those linked to memory and emotions.
New screening device shows promise for early lung cancer detection
Scientists have created a new lowcost, fast response sensor to detect lung cancer biomarkers, paving the way for the development of screening devices to spot the disease even before symptoms occur.
Mercury content in tuna can be reduced with new packaging solution
Fish is a high-quality source of protein, containing omega-3 fatty acids and many other beneficial nutrients.
Mouth bacteria may hold insight into your future brain function
A new study has found that certain bacteria were associated with better memory and attention, while others were linked to an increased risk of Alzheimer's disease.
Scientists discover brain mechanism that helps us overcome fear
Researchers have unveiled the precise brain mechanisms that enable animals to overcome instinctive fears.
Value-added pancakes: Using science to improve nutrition of breakfast staple
Food scientists are working to make pancakes healthier by boosting the popular morning favorite's nutritional value while enhancing its taste and texture.
Fear of breast cancer recurrence:
Impact and coping with being in a
dark place
A new study of breast cancer survivors has found this psychosocial challenge impacts almost every important domain of their lives -- the emotional, behavioral, cognitive, relational and professional.
Major driver of inflammatory pathology in autoimmune and chronic inflammatory diseases
Researchers discovered a previously unknown mechanism that may drive tissue damage and a new target for drug discovery.
Research in fruit flies pinpoints brain pathways involved in alcoholinduced insomnia
Research in fruit flies has identified specific groups of cholinergic brain cells that are involved in alcoholinduced insomnia.
Understanding aging requires more than counting birthdays
Many commercial biological age tests collect genetic information through saliva samples or oral swabs.
School bans alone not enough to tackle negative impacts of phone and social media use, researchers find
Students attending schools that ban the use of phones throughout the school day aren't necessarily experiencing better mental health and wellbeing, as the first worldwide study of its kind has found that just banning smartphones is not enough to tackle their negative impacts.
Air pollution clouds the mind and makes everyday tasks challenging
People's ability to interpret emotions or focus on performing a task is reduced by short-term exposure to particulate matter (PM) air pollution, potentially making everyday activities, such as the weekly supermarket shop, more challenging.
Study finds new link between food choices, depression and Alzheimer's Disease
New research has shown that diet could influence the risk of both depression and Alzheimer's disease (AD).
Why some heavy drinkers develop advanced liver disease, while others do not
The research found that heavy drinkers with either diabetes, high blood pressure or a high waist circumference are as much as 2.4 times more likely to develop advanced liver disease.
Researchers find improved method for treating rare, aggressive, pregnancy-related cancer
A new drug delivery system shows promise for treating a rare, aggressive form of cancer affecting pregnant women and new mothers, and it has potential with other cancers as well.
Relief could be on the way for UTI sufferers dealing with debilitating pain
New insights into what causes the painful and disruptive symptoms of urinary tract infections (UTIs) could offer hope for improved treatment.
The truth may hurt, but for couples, it's worth it
I LOVE YOU, YOU'RE PERFECT, NOW CHANGE: A new study of more than 200 couples finds that being honest when expressing a desire for change leads to greater personal and relationship well-being for both partners.
Scientists discover new weapon to fight treatment-resistant melanoma Scientists identified a new strategy for attacking treatment-resistant melanoma: inhibiting the gene S6K2.
Luteolin, an antioxidant in vegetables, may contribute to the prevention of hair graying Graying hair is a hallmark of aging, often considered an inevitable part of growing older.
El uso de pantallas en niños pequeños afecta a su capacidad de hablar e incluso de moverse
Un nuevo estudio publicado esta semana en PLOS ONE, revela patrones preocupantes acerca del uso de pantallas en niños pequeños.
Scientists reveal gut microbes' hidden role in anxiety: Could probiotics be the next mental health breakthrough?
Could the key to easing anxiety be hidden in our gut? Scientists have discovered a crucial connection between gut microbes and anxietyrelated behavior.
Later-onset menopause linked to healthier blood vessels, lower heart disease risk
New research shows that women who hit menopause later in life have healthier blood vessels and mitochondria and a different composition of metabolites in their blood than those who stop menstruating earlier.
New study reveals how RNA travels between cells to control genes across generations
Researchers uncover key mechanisms in gene regulation that may lead to better design of RNAbased medicines.
Polymeric delivery system revolutionizes mRNA therapeutics A research team has developed a biodegradable polymer-based delivery system that efficiently transports mRNA.
New details about insulin production deciphered
How does the body regulate the activity of insulin-producing cells in order to react quickly to changing conditions? Researchers have investigated this question.
Carbohydrate cravings in depression Depression affects 280 million people worldwide. The mental illness has been proven to lead to changes in eating behavior.
Wealth is strong predictor of prosocial behavior around the world, study suggests Wealthy people are more likely to engage in prosocial behavior such as donating money or volunteering, according to a new global study.
Spinal cord stimulation restores neural function, targets key feature of progressive neurodegenerative disease
Boosting communication between the spinal nerves and the muscles using the spinal cord stimulation reverses spinal muscle atrophy (SMA) progression and could be applied to other motoneuron diseases, including ALS.
Obese and healthy
Body weight and body mass index alone are not enough to predict whether someone will develop a metabolic disease.
Drinking ketones improves heart health, study suggests
Drinking ketones improves heart health, a new small-scale study has found.
Beyond the gut: A new frontier in IBS treatment by targeting the brain
Irritable bowel syndrome (IBS) is a common digestive disorder with unclear causes, affecting about 10% of the global population.
College commuters: Link between students' mental health, vehicle crashes
Young adults are at higher risk for crashes due to inexperience, risktaking, and impaired driving.
Communication between body muscle and the brain influences fertility
A newly discovered line of communication between body muscle and the pituitary gland may play an unexpected role in female fertility, according to a new study.
Drug reverses groin hernias in male mice without surgery, shows promise in humans
By age 75, a noteworthy 50% of men develop an inguinal (groin) hernia. Although common, the cause of these hernias is unknown, and the only treatment is surgery to repair the weakened area.
Fool
yourself: People unknowingly
cheat on tasks to feel smarter, healthier
When given the opportunity, individuals will cheat to feel smarter or healthier, engaging in diagnostic self-deception to convince themselves that their performance is due to their ability and not the cheating, according to new research.
Study in India shows kids use different math skills at work vs. school
A study by economists shows a wide gap between the kinds of math problems kids who work in retail markets do well and the kinds of problems kids in school do well.
Only seven out of 100 people worldwide receive effective treatment for their mental health or substance-use disorders
A study of 57,000 people in 21 countries finds that only 6.9 per cent who met criteria for a mental health or substance-use disorder received effective treatment.
Why antibiotics can fail even against non-resistant bacteria
Antibiotics are indispensable for treating bacterial infections. But why are they sometimes ineffective, even when the bacteria are not resistant?
Researchers discover new way to customize living materials for tissue engineering, drug delivery and 3D printing
Researchers have revealed novel sequence-structure-property relationships for customizing engineered living materials (ELMs), enabling more precise control over their structure and how they respond to deformation forces like stretching or compression.
Biotecnología
Describen un nuevo mecanismo molecular que modifica la eficacia de la quimioterapia
La investigación demuestra que cambios en el estrés osmótico de las células tumorales pueden generar resistencia o sensibilidad a fármacos antitumorales, en función de la naturaleza de los mismos.
Gains in early-onset dementia with progranulin open new paths for drug discovery
The first clinical results in patients with a genetic form of frontotemporal dementia (FTD) show that enhancing progranulin in the brain may halt disease progression.
La industria farmacéutica mundial lleva meses hundida en su "momento DeepSeek": China la está devorando
Este verano nos esteramos de que, por primera vez en la historia, China superó a Europa como desarrollador de nuevos medicamentos.
Precise RNA targeting with CRISPR–Cas13d
Careful selection of Cas13 variants and delivery methods minimizes collateral RNA degradation.
Medioambiente
Meteorite discovery challenges long-held theories on Earth's missing elements
Earliest inner solar system planetesimals shaped the inventory of moderately volatile elements in terrestrial planets.
Global warming and mass extinctions: What we can learn from plants from the last ice age
Global warming is producing a rapid loss of plant species -- according to estimates, roughly 600 plant species have died out since 1750 twice the number of animal species lost.
Models show intensifying wildfires in a warming world due to changes in vegetation and humidity; only a minor role for lightning
Climate scientists present a realistic supercomputer simulation that resolves the complex interactions between fire, vegetation, smoke and the atmosphere.
Colorado forests are releasing more carbon than they capture each year
Colorado's forests store a massive amount of carbon, but dying trees mostly due to insects and disease have caused the state's forests to emit more carbon than they absorbed in recent years, according to a new report.
Turning car and helicopter exhaust into thermoelectric energy
Combustion engines, the engines in gas-powered cars, only use a quarter of the fuel's potential energy while the rest is lost as heat through exhaust.
Validation technique could help scientists make more accurate forecasts
A new evaluation method assesses the accuracy of spatial prediction techniques, outperforming traditional methods.
Outokumpu's bedrock reveals a smelly surprise
Volatile organic compounds (VOC), usually associated with poor indoor air, were discovered in Finland in a borehole more than two kilometres deep.
Model of Antarctica's water enhances sea level forecasts
Researchers have generated the first dataset of water flow beneath the entire Antarctic Ice Sheet, which will lead to more accurate projections of sea level rise.
Scientists harness AI to help protect whales, advancing ocean conservation and planning
Researchers have developed an artificial intelligence (AI) tool that will help predict endangered whale habitat, guiding ships along the Atlantic coast to avoid them.
Anomaly in the deep sea
Beryllium-10, a rare radioactive isotope produced by cosmic rays in the atmosphere, provides valuable insights into the Earth's geological history.
Satellite data identifies warning signs ahead of 2018 volcanic eruption, tsunami
In 2018, the side of the Anak Krakatau volcano collapsed in a powerful eruption and produced a tsunami that killed hundreds and injured thousands on nearby Java and Sumatra in Indonesia.
Native bee populations can bounce back after honey bees move out
Managed honey bees have the potential to affect native bee populations when they are introduced to a new area, but a new study suggests that, under certain conditions, the native bees can bounce back if the apiaries are moved away.
Scientists identify heat-resistant kelp strain
Kelp is being negatively impacted by climate change. Warming ocean temperatures have led to shorter growing and harvesting seasons, including for sugar kelp, one of the most commonly farmed kelp species.
Twenty years on, biodiversity struggles to take root in restored wetlands
While the restoration of natural areas is high on political agendas, a comprehensive new study shows that after more than two decades- biodiversity growth has stalled in restored Danish wetlands.
A wealth of evidence: 85,000 individual studies about climate policy
Research on climate policy is growing exponentially. Of the approximately 85,000 individual studies ever published on policy instruments for mitigating global heating, a good quarter are from 2020 or later.
Examining the potential environmental effects of mining the world's largest lithium deposit
A trove of lithium-rich brine exists underground in Bolivia. Researchers conducted the first comprehensive chemical analysis of wastewater associated with mining the resource.
Generating international testing standards for large outdoor fires
The recent LA fires drove home how dangerous wildfires can be when they encroach on urban areas. Socalled 'wildland-urban interface' fires are on the rise.
El castor se extiende por España de la mano de sueltas ilegales
El castor europeo (Castor fiber) se está extendiendo por España y todo apunta a que lo está haciendo de la mano de sueltas ilegales e incontroladas, pues no hay citas fehacientes de su presencia en el territorio nacional en los últimos
2.000 años y no ha habido ningún plan de la administración para reintroducir la especie en el país, según el biólogo Jorge González Esteban.
Multinational research project shows how life on Earth can be measured from space
Measurements and data collected from space can be used to better understand life on Earth.
Peatlands and mangroves key to reducing carbon emissions in Southeast Asia
Conserving and restoring Southeast Asia's carbon-rich peatlands and mangroves could mitigate more than 50 per cent of the region's land-use carbon emissions, according to a new international study.
Bats play a key role in combating rice pests in Southeast Asia
Scientists have demonstrated that Wrinkle-lipped free-tailed bats not only travels great distances, but also hunt at impressive altitudes of up to 1,600 meters above ground -- the altitude at which many planthoppers fly, which are dreaded insect pests of rice plants.
Nanoscale tin catalyst discovery paves the way for sustainable CO2 conversion
Researchers have developed a sustainable catalyst that increases its activity during use while converting carbon dioxide (CO2) into valuable products.
La insostenible demanda de agua potable de la fábrica de diamantes artificiales de Trujillo-Cáceres Diversas asociaciones conservacionistas han alertado sobre la "insostenible" demanda de agua que según indican requiere la fábrica de diamantes de Trujillo (Cáceres).
Las mayores fuentes persistentes de metano en el mundo
Datos de la misión Sentinel-5P de Copernicus han deparado una lista de las principales regiones del mundo en las que fuentes naturales o humanas emiten metano de forma continua y "persistente".
Earth's inner core is undergoing a transformation
Earth's inner core is undergoing structural transformation. Located 3,000 miles below the Earth's surface, the inner core is anchored by gravity within the molten liquid outer core.
La nieve de la Antártida también contiene microplásticos
Por primera vez se han detectado microplásticos en la nieve cerca de algunos de los campamentos de la Antártida, lo que revela el alcance de este contaminente en las zonas más remotas del mundo.
Las temperaturas subirán 2,7°C incluso con el Acuerdo de París
Incluso si todos los países cumplieran con sus compromisos actuales del Acuerdo del Clima de París, el planeta seguirá en camino de calentarse 2,7 grados Celsius para el año 2100.
DNA barcodes and citizen science images map spread of biocontrol agent for control of major invasive shrub
New research using publicly-shared DNA barcodes and citizen science images have provided new evidence on the establishment and spread of a biological control agent used for the control of the major invasive shrub Lantana camara.
New autonomous system to monitor Arctic's melting ice
Researchers have designed an alternative, autonomous observational method to monitor the Arctic's melting ice, which holds promise for improving the autonomy of marine vehicles, aiding in maritime missions, and gaining a deeper understanding of how melting Arctic sea ice affects marine ecosystems.
How life's building blocks took shape on early Earth: The limits of membraneless polyester protocell formation
A recent study investigates how polyester microdroplets, potential precursors to modern cells, could form under realistic early Earth conditions.
Solar and electric-powered homes feel the effects of power outages differently
An expert in energy technologies uses AI tools to investigate the impact of extreme weather on solarpowered and electrified homes and uncover their unique vulnerabilities and develop insights on how they handle harsh conditions.
Sequía y patógenos amenazan los bosques mediterráneos
Investigadores del CSIC advierten que la sequía y patógenos como Phytophthora cinnamomi amenazan los bosques mediterráneos, afectando la producción de hojas y frutos y potencialmente alterando la composición de especies en los ecosistemas debido al cambio climático y especies invasoras.
An Arctic 'beyond recognition' by 2100
Based on the current pledges of countries for limiting their emissions of greenhouse gases, global temperatures are projected to reach 2.7 degrees Celsius beyond preindustrial levels by the end of this century.
Tracking algae species interactions to help predict harmful algae blooms
Because of climate change, harmful algal blooms are increasing in frequency and intensity.
Avistan una foca gris en Doñana tres años después del último registro
Un ejemplar de foca gris (Halichoerus grypus) se ha vuelto a ver en las playas del Parque Nacional de Doñana esta semana, tres años después del último avistamiento de esta especie en la zona.
New technology lights way for accelerating coral reef restoration Scientists have developed a novel tool designed to protect and conserve coral reefs by providing them with an abundance of feeding opportunities.
New agroforestry maps plot environmental, social, and economic benefits of trees
There's a longstanding attitude in many farming communities that trees and agriculture don't mix.
Large differences in water-seeking ability found in U.S. corn varieties
A study has identified key genetic pathways in corn that help its roots branch out to find water in soil; the varieties adapted to temperate regions like the U.S. corn belt showed large differences in their ability to branch toward water.
'Marine Prosperity Areas' represent a new hope in conservation
An international team of researchers introduces a promising new initiative in marine conservation, dubbed 'Marine Prosperity Areas.'
Avistan un diablo negro, o rape abisal, cerca de la costa de Tenerife
La ONG Condrik Tenerife, especializada en la investigación y conservación de tiburones y rayas en Canarias, ha hecho público un vídeo de un inusual avistamiento de diablo negro o rape abisal adulto a plena luz del día, casi en superficie y a dos kilómetros de la costa tinerfeña, un hecho extremadamente raro para esta especie.
Jabalíes, la especie salvaje y en explosión demográfica que se adentra en la ciudad
Jabalíes que entraron en un colegio, aunque no iban a clase; que pusieron en jaque a la Policía o que incluso se fueron a la playa o 'de compras' a un centro comercial.
Recycling the Unrecyclable:
Reclaiming materials from epoxy resins and composites
Epoxy resins are coatings and adhesives used in a broad range of familiar applications, such as construction, engineering and manufacturing.
Galgos del Sur rescata 274 perros de caza en 2024, 32 decomisados a cazadores en estado lamentable La caza de la liebre con galgo es la que más abandonos de perros provoca, sin menospreciar el abandono de otras razas como los podencos, o el estado lamentable y falta de atenciones en las que viven la mayoría de perros de caza, especialmente los perros de las rehalas.
Rethinking energy demand can foster sustainable development and reduce emissions from buildings and transport
In a new study, scientists show that a mix of policy measures, including both technological solutions and behavioral changes, can significantly reduce greenhouse gas (GHG) emissions from energy use in buildings and transport.
InsectNet technology identifies insects around the world and around the farm
InsectNet which is backed by a dataset of 12 million insect images, including many collected by citizenscientists provides identification and predictions for more than 2,500 insect species at more than 96% accuracy.
Ice streams move due to tiny ice quakes
An international team of researchers has shown that countless tiny ice quakes take place in one of Greenland's mightiest ice streams.
Climate warming leads to more frequent beech tree reproduction, at the expense of growth
A new long-term study reveals alarming insights into the impact of climate change on European beech (Fagus sylvatica), one of Europe's most widespread and ecologically important tree species.
Fishing and conserving in Great Barrier Reef's marine reserves
A new study of the Great Barrier Reef has revealed that the network of no-take marine reserves supplies nearly half of the region's coral trout fishery catch.
Drying and rewetting cycles substantially increased soil CO2 release
Soil incubation experiments revealed a comprehensive increase in CO2 release by drying-rewetting cycles (DWCs) among Japanese forests and pastureland soils, suggesting a significant contribution of the DWCsinduced destruction of microbial cells and reactive metal-organic matter complex to the CO2 release increase.
El proyecto "Valorarroz" convertirá residuos de arroz en biomateriales sostenibles en Costa Rica, Paraguay y España
La Unión Europea (UE) financiará con 1,2 millones de euros el proyecto Valorarroz , una iniciativa de cooperación triangular que busca transformar la cascarilla de arroz en biomateriales de alto valor agregado.
Scientists simulate asteroid collision effects on climate and plants
A new climate modeling study presents a new scenario of how climate and life on our planet would change in response to a potential future strike of a medium-sized (~500 m) asteroid.
One in four chance per year that rocket junk will enter busy airspace
There's a 26 per cent annual chance that space rocket junk will re-enter the atmosphere and pass through a busy flight area, according to a recent study.
Gender equality is crucial for a climate resilient future
A new study shows why gender equality trends should be central when planning how societies adapt to and mitigate climate change.
Stormwater pollution sucked up by specialized sponge
A specialized sponge that works to slurp up pollutants, and then release them as desired, may present a reusable, low-cost solution.
Plant power: A new method to model how plants move water globally
Earth systems models are an important tool for studying complex processes occurring around the planet, such as those in and between the atmosphere and biosphere, and they help researchers and policymakers better understand phenomena like climate change.
Ciencia
Una instalación en el fondo del Mediterráneo capta el neutrino cósmico de mayor energía jamás detectado
En las profundidades del Mediterráneo se construye un inmenso telescopio.
When qubits learn the language of fiberoptics
Qubits the fundamental units of quantum information drive entire tech sectors.
Largest radio jet ever seen in the early universe
Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe.
A symphony in quantum Entanglement linking distant particles or groups of particles so that one cannot be described without the other is at the core of the quantum revolution changing the face of modern technology.
Truly autonomous AI is on the horizon
Researchers have developed a new AI algorithm, called Torque Clustering, that significantly improves how AI systems independently learn and uncover patterns in data, without human guidance.
Alien ocean could hide signs of life from spacecraft
A new study focusing on Enceladus, a moon of Saturn, shows that the physics of alien oceans could prevent evidence of deep-sea life from reaching places where we can detect it.
Euclid discovers a stunning Einstein ring
Euclid, the European Space Agency's dark Universe detective, has made an astonishing discovery right in our cosmic backyard.
Dusting for stars' magnetic fingerprints
Astronomers have succeeded in observing the magnetic field around a young star where planets are thought to be forming.
Quantum theory and thermodynamics: Maxwell's demon?
An international collaboration sheds new light on the relationship between quantum theory and thermodynamics.
Temperamental stars are distorting our view of distant planets 'Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.
Metales sin dilatación por el calor
Unos científicos han conseguido crear una aleación de varios metales que prácticamente no experimenta expansión térmica a lo largo de un amplio rango de temperaturas.
Paving the way to quantum supercomputers
In a milestone that brings quantum computing tangibly closer to largescale practical use, scientists have demonstrated the first instance of distributed quantum computing.
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/