BioNoticias
4ª 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
La asombrosa capacidad de orientación magnética de las tortugas bobas
Las tortugas boba (Caretta caretta) se orientan por las referencias magnéticas que varían en la superficie de la Tierra.
La DANA provocó en un día el volumen de sedimentación habitual de 30 años
“Este dato destaca la gran magnitud de la inundación acontecida a consecuencia de la DANA de octubre de 2024”, explica Juan Soria, profesor titular de Ecología de la Universidad de Valencia, que dirige el equipo con los investigadores Juan Víctor Moliner y Noelia Campillo que ha realizado un estudio sobre los sedimentos en la Albufera tras la DANA.
Ecologist finds eastern monarch butterflies delaying fall migration
The study was one of several that assessed the effects of climate change on three species of butterflies whose populations are declining.
Un macroestudio revela que los plaguicidas son responsables de la crisis de biodiversidad
Más allá de acabar con las especies a las que van dirigidas, los plaguicidas están causando efectos devastadores en cientos de especies de microbios, hongos, plantas, insectos, peces, aves y mamíferos de todo el planeta y son, por ello, uno de los principales responsables de la crisis de la biodiversidad.
Antarctica's only native insect's unique survival mechanism
What's the only native insect of Antarctica have to do to survive? A research team has uncovered the special ability of the Antarctic midge to prosper in an extreme environment.
Under-sea mountains are key 'hubs' for sharks
Under-sea mountains are key locations for predators -- with 41 times more sharks than the open ocean, new research shows.
Evidence of play-like interaction with carousel in insects
Scientists have for the first time demonstrated play-like behavior in flies.
Marine mystery solved: How anemonefish avoid stings from their sea anemone hosts
The clownfish-anemone living arrangement is one of the most widely recognized examples of symbiosis.
Masquerading moth deploys unique optical tricks to evade predators
Scientists have described a nocturnal moth's unique evolutionary trick in replicating the appearance of 3D leaf, with potential applications for the development of advanced camouflage materials and technologies.
Researchers shed light on the mechanisms of bacterial flagellar motors
Biological motors, which aid microorganism movement in fluids, are composed of two components the rotor and stators.
Birds have developed complex brains independently from mammals
New research has revealed that birds, reptiles, and mammals have developed complex brain circuits independently, despite sharing a common ancestor.
Study examines grief of zoo employees and volunteers across the US after animal losses
A collaboration of researchers surveyed zoo employees and volunteers across the US about their experiences of burnout and grief related to zoo animal losses.
Nighthawks: Wild medaka actively court female fish in wee hours esearch team finds wild medaka engage in surprisingly active nocturnal behavior in their natural river environment.
Female hoverflies beat males on long-distance migrations
Male hoverflies are outflown by females when it comes to longdistance migration, research shows.
Worm surface chemistry reveals secrets to their development and survival
A new study has revealed the clearest-ever picture of the surface chemistry of worm species that provides groundbreaking insights into how animals interact with their environment and each other.
How fruit flies flit between courtship and aggression to fight for mates
Male fruit flies don't just sing to their mates; they also use soundcancelling wing-flicks to jockey with rivals.
Engineering biological reaction crucibles to rapidly produce proteins
Biomedical engineers have demonstrated a new synthetic approach that turbocharges bacteria into producing more of a specific protein, even proteins that would normally destroy them, such as antibiotics.
Newest version of Cellpose can spot cell boundaries even in cloudy conditions
A new version of Cellpose the popular tool that maps the boundaries of diverse cells in microscopy images -- now works on less-than-perfect pictures that are noisy, blurry, or undersampled.
Foraging seals enable scientists to measure fish abundance across the vast Pacific Ocean
A new study by marine biologists reports that seals can essentially act as 'smart sensors' for monitoring fish populations in the ocean's eerily dim 'twilight zone.'
Near-complete skull discovery reveals 'top apex', leopard-sized 'fearsome' carnivore
A rare discovery of a nearly complete skull in the Egyptian desert has led scientists to the 'dream' revelation of a new 30-million-year-old species of the ancient apex predatory carnivore, Hyaenodonta.
Function of red stigmas in windpollinated flowers
Scientists discovered that the red stigmas in wind-pollinated trees accumulate anthocyanin, the same compounds that are revealed in autumn leaves after green chlorophyll production slows down and eventually stops.
Evolution, evolution, evolution: How evolution got so good at evolving
The field of evolution examines how organisms adapt to their environments over generations, but what about the evolution of evolution itself?
Sweet molasses feed key to understanding grazing behavior in cattle
Researchers tempted grazing cattle with sweet molasses feed to discover whether cows would roam far to graze or stick close to the herd, water supplies and feed stations.
Wild fish can recognize individual divers
For years, scientific divers at a research station in the Mediterranean Sea had a problem: at some point in every field season, local fish would follow them and steal food intended as experimental rewards.
Biomedicina
Biological clock plays critical role in driving teens' late-day eating habits The causes of obesity are complex and influenced by many factors. While research has highlighted connections between sleep, eating patterns and weight gain, scientists remain uncertain of the role of the circadian system the biological clock in shaping eating patterns.
Speculum exams unnecessary for HPV screening
Researchers have demonstrated that self-sampling is just as effective as speculum-based testing for HPV detection.
Worm study shows hyperactivated neurons cause aging-related behavioral decline
Researchers found that excessively activated neurons over time, rather than decreased neuronal activity, cause aging-related decline in brain function in nematodes.
Scientists develop innovative DNA hydrogels for sustained drug release DNA hydrogels are biocompatible drug delivery systems for targeted therapeutic interventions.
Conventional DNA hydrogels, formed with many DNA nanostructure units, lead to increased preparation costs and design complexities.
¿Por qué unas personas recuerdan sus sueños y otras no?
Algunas personas se despiertan recordando vívidamente sus sueños y pueden contar con detalle las historias de lo que vivieron durante la noche, mientras que otras luchan por recordar incluso un solo detalle.
'Healthy' vitamin B12 levels not enough to ward off neuro decline Meeting the minimum requirement for vitamin B12, needed to make DNA, red blood cells and nerve tissue, may not actually be enough particularly if you are older.
New study uncovers how genes influence retinal aging and brain health
Researchers used mice with nine different genetic backgrounds to identify factors influencing eye aging, paving the way for eye-based diagnostics for neurodegenerative diseases.
Multiple sclerosis: Cell-catching implant helps identify successful treatment in mice
A sponge-like implant in mice helped guide a treatment that slowed or stopped a degenerative condition similar to multiple sclerosis in humans.
Avoiding the workplace mediocrity trap
Confidence. Persistence. Ingenuity. Conventional wisdom tells us these are some of the traits needed for success at the office.
From plants to people: How amino acid, vitamin balance links plant immunity to epilepsy
A groundbreaking study has revealed a surprising biochemical connection between plant immune responses and human neurological health.
Radiation plus combination immunotherapy may help preserve bladder in some patients with muscle-invasive bladder cancer
Patients with localized muscleinvasive bladder cancer (MIBC) who received radiation plus the immune checkpoint inhibitors (ICIs) durvalumab (Imfinzi) and tremelimumab (Imjudo) had durable responses that allowed for bladder preservation, according to new results.
A treatment-resistant, severe type of asthma successfully modeled in mice
Researchers are tackling neutrophilic asthma, successfully developing one of the first mouse models of the condition.
Designing antivirals for shapeshifting viruses
Viruses, like those that cause COVID19 or HIV, are formidable opponents once they invade our bodies.
Antiviral treatments strive to block a virus or halt its replication.
Older patients can inadvertently be put at risk when they are taken off blood-thinning drugs
A new study suggests that the benefits of prescribing anticoagulation drugs to certain older people outweigh the potential risks.
Newfound circuit better explains how the brain recognizes what is familiar and important
A newly identified part of a brain circuit mixes sensory information, memories, and emotions to tell whether things are familiar or new, and important or just 'background noise.'
Scientists decode diet from stool DNA -- no questions asked
Scientists have developed a breakthrough method to track diet using stool metagenomic data.
New tool reveals disruption of immune cells in blood is linked to cancer outcomes
The immune systems of cancer patients are highly disrupted, with those who have a higher number of immune cells in their blood having a better survival rate, finds a new study that uses a pioneering technique.
A single protein may have helped shape the emergence of spoken language
How much does the evolution of human speech owe to one amino acid?
Researchers develop AI model to automatically segment MRI images
Research scientists in Switzerland have developed and tested a robust AI model that automatically segments major anatomic structures in MRI images, independent of sequence.
Toward improved early detection of pancreatic cancer
Pancreatic cancer (PC) is the worst prognosis cancer globally, with just 13% of patients who are diagnosed with PC surviving for 5 years or more after initial diagnosis.
Even after learning the right idea, humans and animals still seem to test other approaches, study suggests New research adds evidence that learning a successful strategy for approaching a task doesn't prevent further exploration, even if it reduces performance.
A geometric deep learning method for decoding brain dynamics
Scientists have developed a geometric deep learning method that can create a coherent picture of neuronal population activity during cognitive and motor tasks across experimental subjects and conditions.
¿Por qué los estudios en nutrición son contradictorios?
“Cada estudio en nutrición dice una cosa distinta”, “Hay estudios para todo” o “Al final lo mejor es lo que hemos comido toda la vida”.
New lipid nanoparticle platform delivers mRNA to the brain through the blood-brain barrier
Scientists have developed a lipid nanoparticle system capable of delivering messenger RNA (mRNA) to the brain via intravenous injection, a challenge that has long been limited by the protective nature of the blood-brain barrier.
Air inside your home may be more polluted than outside due to everyday chemical products
Bringing aromas indoors with the help of chemical products yes, air fresheners, wax melts, floor cleaners, deodorants and others rapidly fills the air with nanoscale particles that are small enough to get deep into your lungs, engineers have found over a series of studies.
A diabetes, heart failure, and kidney disease medication is the first of its kind to significantly reduce both heart attacks and strokes
New research shows sotagliflozin is the only drug in its class to demonstrate these results.
Adults don't trust health care to use AI responsibly and without harm
A survey of adults found most had low trust in their health care system to use artificial intelligence responsibly or to make sure an AI tool would not harm them.
Reduced prediabetes in people who ate broccoli compound
The chemical compound sulforaphane found in broccoli sprouts can be linked to improved blood sugar levels in prediabetes, a precursor to type 2 diabetes.
Global action needed to solve the medical oxygen crisis
Targets for universal access, national roadmaps and more affordable and accessible care are vital to help fill the medical oxygen gap affecting more than half of the world's population, according to a new global report.
Researchers identify DNA changes, biological pathways associated with inherited cancer risk
Stanford Medicine researchers sifted through thousands of single nucleotide mutations in DNA to identify fewer than 400 that are functionally associated with inherited cancer risk.
Air pollution levels may be higher inside your home than outside People may be exposed to unhealthy levels of airborne pollutants inside their homes, even if the outdoor air quality is good.
How mitochondria drive autophagy
A new study unravels the relationship between mitofusins (mitochondrial proteins) and autophagy.
Simple
treatment can save lives for men with a common chromosomal disorder
Testosterone treatment significantly reduces mortality among men with Klinefelter syndrome. Researcher calls for changes in guidelines to ensure more patients receive the necessary treatment.
Sweet taste receptors in the heart:
A new pathway for cardiac regulation
In a surprising discovery, scientists have found that the heart possesses 'sweet taste' receptors, similar to those on our tongues, and that stimulating these receptors with sweet substances can modulate the heartbeat.
This research is absolutely nuts -- for better health care
A nut used in herbal tea has become a hydrogel perfect for a variety of biomedical uses in new research. Scientists created a malva nut hydrogel for medical uses ranging from wound care to ECG readings.
Researchers discover how opsin 3, a light-sensitive brain protein, regulates food consumption in mice Scientists discovered years ago that the hypothalamus which helps to manage body temperature, hunger, sex drive, sleep and more -- includes neurons that express the protein opsin 3 (OPN3).
A new switch for the cell therapies of the future
Researchers have developed a new gene switch that can be activated using a commercially available nitroglycerine patch applied to the skin.
Protective role of mitochondrial protein Mitofusin 2 in cellular health revealed
A research collaboration has found that besides regulating the fusion of mitochondria, Mitofusin 2 also ensures protein quality control. This discovery could open up new routes to treating Charcot-Marie-Tooth disease.
Guideline on how to manage fungal infections caused by Candida Diseases caused by Candida are among the most common fungal infections worldwide. The new guideline was developed over four years by a team of more than one hundred experts from 35 countries.
Air pollution exposure late in pregnancy increases NICU admission risk
In a study measuring neonatal intensive care unit (NICU) admissions and satellite-based air pollution data, newborns exposed to higher levels of NO2 have a 30-35% higher risk of NICU admission and an 11-22% increased risk associated with PM2.5.
Landmark atlas reveals how aging breast tissue shapes breast cancer risk
Aging is a privilege, but it also brings risks including an increased likelihood of developing age-related diseases including cancer.
Una paciente con neuroblastoma lleva 18 años en remisión tras una terapia con CAR-T
Una paciente con neuroblastoma ha logrado más de 18 años de remisión sin necesidad de tratamientos adicionales tras recibir terapia con células CAR-T.
An enzyme to disarm tumors When a tumour develops, it creates a structure around itself called the tumour stroma, within which blood and lymphatic vessels ensure nutritional and respiratory biological exchanges.
Guardian molecule keeps cells on track -- new perspectives for the treatment of liver cancer
A guardian molecule ensures that liver cells do not lose their identity. The discovery is of great interest for cancer medicine because a change of identity of cells has come into focus as a fundamental principle of carcinogenesis for several years.
Lack of discussion drives traditional gender roles in parenthood
Conversations about parental duties continue to be led by mothers, even if both parents earn the same amount of money, finds a new study.
Uncovering novel transcriptional enhancers in neuronal development and neuropsychiatric disorders
Genome-wide association studies (GWASs) have linked genetic variants to neuropsychiatric disorders, but their regulatory roles in non-coding regions remain largely unclear.
Group childcare positively affects toddler development
Many Japanese mothers are reluctant to send their children to childcare before the age of three due to the 'Three-Year-Old Myth,' which suggests that healthy development requires a child to stay at home and be raised by their mother.
Disordered eating and certain foods linked to higher risk for urinary incontinence in middle-aged women
Eating behavior is associated with symptoms of pelvic floor disorders in middle-aged women. For example, higher consumption of highly processed ready-made foods and fast food increased the risk for experiencing symptoms of stress and urgency urinary incontinence.
Study maps new brain regions behind intended speech
Imagine seeing a furry, four-legged animal that meows. Mentally, you know what it is, but the word 'cat' is stuck on the tip of your tongue.
Next-gen Alzheimer's drugs extend independent living by months
Researchers have devised a way to communicate the effects of taking the new Alzheimer's medications in language that is accessible and understandable to patients and their families.
New genetic mutation linked to Alzheimer's risk
Neurogeneticists have discovered a novel genetic mutation and associated buildup of toxic proteins in the brain a type of buildup distinct from amyloid or tau, proteins that have long been the focus of Alzheimer's research.
Scientists find key differences in male, female responses to stress
A new study led by researchers at UF Health has uncovered why males and females may experience stress differently.
Regular access to therapy dogs boosts first-year students' mental health
College students who spent a little bit of free time each week interacting with therapy dogs on campus during their first semester experienced fewer signs of stress and depression than those who did not.
The complicated question of how we determine who has an accent How do you tell if someone has a particular accent? It might seem obvious: You hear someone pronounce words in a way that is different from 'normal' and connect it to other people from a specific place.
Postpartum depression discovery opens door to blood test, earlier treatment
New postpartum depression findings could lead to a blood test to identify women at risk and possibly even to a preventive treatment.
Stalled microbiomes: Cystic fibrosis disrupts early gut development in infants
Findings from a new study highlight key differences in the gut microbiome of infants with cystic fibrosis (CF) compared to that of healthy infants, and how these alterations may adversely affect their health.
Researchers create digital microbe collection to transform health research
Researchers have created the largest collection of digital microbes nearly a quarter million computer models -- to help revolutionize our understanding of the human microbiome and its impact on health.
Las infecciones resistentes a antibióticos aumentan en España
Alguien comenzó a referirse a ella como la ‘pandemia silenciosa’, una expresión que cuajó por acertada: frente a 7 millones de víctimas de la COVID-19, la resistencia antimicrobiana (AMR, por sus siglas en inglés) causa cada año en el mundo 1,3 millones de muertes directas — 35 000 en la Unión Europea .
Researchers identify a brain circuit for creativity
Researchers analyzed data from 857 patients across 36 fMRI brain imaging studies and mapped a common brain circuit for creativity.
Gene therapy for rare epilepsy shows promise in mice
Recent research takes aim at the a variant in gene SCN1B, which causes a severe form of developmental epileptic encephalopathy.
Blood test paves the way for better heart attack prevention
The test, which is not yet widely available, is being developed so that it can eventually be used at the point-of-care.
Research achieves gene-editing breakthrough that could improve treatment for liver disease, other disorders
Researchers developed a new geneediting strategy that dramatically boosts the effectiveness of gene therapies in the liver, a breakthrough that could lead to new treatments for about 700 genetic disorders in this vital organ as well as in other organs and tissues.
Research shows blood test may provide personalized dietary therapy for patients with irritable bowel syndrome
Study participants who went on an IgG-based elimination diet based on a novel blood test--experienced less abdominal pain than those on a sham diet.
Scientists find new biomarker that predicts cancer aggressiveness
Using a new technology and computational method, researchers have uncovered a biomarker capable of accurately predicting outcomes in meningioma brain tumors and breast cancers.
Scientists discover gene-to-gene interaction increasing risk of alopecia
Scientists have discovered an interaction between genes that increases the risk of developing a type of alopecia.
Lung cancer cells can go 'off grid' Researchers have found that some particularly aggressive lung cancer cells can develop their own electric network, like that seen in the body's nervous system.
An RNA inhibitor may effectively reduce a high-risk type of cholesterol in patients with cardiovascular disease Analysis could lead to future therapies to prevent deadly cardiac events.
Adults can learn absolute pitch: new research challenges long-held musical belief
It's been a long-held belief that absolute pitch the ability to identify musical notes without reference -- is a rare gift reserved for a select few with special genetic gifts or those who began musical training in early childhood.
Unraveling the complex role of climate in dengue dynamics
A research team has unveiled new insights into how weather influences the spread of dengue fever.
Fungus 'hacks' natural immune system causing neurodegeneration in fruit
flies
A fungal infection has been shown to trigger a fruit fly's own immune system to destroy brain cells leading to signs of neurodegeneration, a new study has found.
Protein shuttling mechanism helps bacteria pump out antibiotics
Scientists have uncovered the equipment that enables bacteria to survive exposure to antibiotics: a shuttling mechanism that helps a complex of proteins pump out a wide spectrum of antibiotics along with other physiological substrates from the cell.
Mapping connections in a neuronal network
Researchers have mapped and catalogued more than 70,000 synaptic connections from about 2,000 rat neurons, using a silicon chip capable of recording small yet telltale synaptic signals from a large number of neurons.
New blood-clotting disorder identified
Researchers have made a groundbreaking discovery in the field of hematology, providing an explanation for spontaneous and unusual blood-clotting that continues to occur despite treatment with full-dose blood thinners.
More sunshine as a baby linked to less disease activity for children with MS
Getting at least 30 minutes of daily summer sun in the first year of life may mean a lower relapse risk for children who are diagnosed with multiple sclerosis (MS) later, according to a new study.
Epidural steroid injections for chronic back pain
Scientists have developed a new systematic review to summarize for neurologists and other clinicians the evidence for epidural steroid injections and whether they reduce pain and disability for people with certain kinds of chronic back pain.
Diabetes can drive the evolution of antibiotic resistance
Researchers have proven that antibiotic-resistant strains of a harmful bacteria thrive in a diabetic infection environment.
Scientists develop novel self-healing electronic skin for health monitoring
Researchers have achieved a breakthrough in wearable health technology by developing a novel self-healing electronic skin (E-Skin) that repairs itself in seconds after damage.
New blood test identifies hard-todetect pancreatic cancer with 85% accuracy
A new blood test could help doctors detect pancreatic cancer earlier, potentially improving survival rates for one of the deadliest cancers.
Cracking the Alzheimer's code: How brain trauma triggers disease
A study reveals that traumatic brain injury alters the small vessels in the brain, resulting in an accumulation of amyloid beta a hallmark of Alzheimer's disease.
Dating is not broken, but the trajectories of relationships have changed
Surveys of college students conducted in 2012 and in 2022 found many similarities in their expectations about romantic relationships; however, they are now taking diverse paths through those relationships.
Innovative dual-target drug may lead to new investigational approach for breast cancer patients
Researchers discover new insights into how dual-target drug may supercharge cancer-fighting immune cells.
Splicing twins: Unraveling the secrets of the minor spliceosome complex
Human genes that encode proteins often contain non-coding segments known as introns. Removing introns is crucial for the proper expression of genetic information.
New study unravels the history of the largest pastoral population in Africa
Researchers have uncovered the origins and genetic diversity of the Fulani, one of Africa's largest pastoral populations.
Mouse study finds impaired cell development: Intermittent fasting could be unsafe for teenagers
A recent study reveals that age plays a significant role in the outcomes of intermittent fasting. Researchers discovered that chronic intermittent fasting disrupted the development of insulin-producing beta cells in young mice.
Jacket uses AI to keep you comfortable
Electronic textiles, such as heating pads and electric blankets, can keep the wearer warm and help ease aches and pains.
Decoding fat tissue
Research has uncovered key differences in gene expression linked to inflammation, metabolism and cardioprotection.
Ovarian cancer discovery could turn failed treatment into lifesaver
Gut bacteria are to blame for the failure of immune checkpoint therapy for ovarian cancer, new research reveals.
High BP may develop at different ages and paces in East and South Asian adults in the UK South Asian adults in the United Kingdom may face high blood pressure-related heart risks earlier in life, while East Asian adults see risks rise in later years, according to a new study.
Wealth gap fuels health inequality for over 50s: new study reveals lifestyle divide and depression link There is a 'silent emergency' brewing under our noses as research finds that there is a clear wealth gap among adults over 50 who meet physical activity and dietary guidelines.
Mpox: Better understanding of tecovirimat resistance
A virus originally found in animals, mpox which causes the disease of the same name is now circulating in humans.
What causes reproductive complications?
Our cells constantly receive DNA damage from factors such as ultraviolet rays, irradiations, toxins and chemicals.
El país de residencia puede influir en la detección temprana del cáncer infantil
La Universitat de Valencia y el Hospital la Fe han participado en un estudio que analiza si el país donde vive un menor con cáncer influye en las posibilidades de detectarlo a tiempo.
Type 1 diabetes: Hybrid closed-loop and open-loop systems compared People with type 1 diabetes require continuous insulin treatment and must regularly measure their glucose levels.
Gene variant could protect against ultra-rare seizure disorder, fruit fly research finds
A combination of human pedigree analysis and fruit fly genetics has identified a gene variant that appears to prevent PIGA-CDG, a rare but serious seizure disorder.
Long drives and high costs stand between Americans and safe surgery -- especially in rural areas When they need surgery, nearly one in three Americans may find themselves in a precarious position: They live more than an hour's drive from a high-quality hospital, and their insurance plan may leave them paying more than they can afford out of their own pockets.
Mapmaking in the mind: How the brain builds mental maps of the world
Researchers have systematically detailed, step by step, how cognitive maps form in the brain's hippocampus a region responsible for learning and memory.
Dessert stomach emerges in the brain
Who hasn't been there? The big meal is over, you're full, but the craving for sweets remains.
Biohybrid hand gestures with human muscles
A biohybrid hand which can move objects and do a scissor gesture has been created. The researchers used thin strings of lab-grown muscle tissue bundled into sushilike rolls to give the fingers enough strength to contract.
Meet the newly discovered brain cell that allows you to remember objects
Researchers have discovered a new type of neuron that plays a fundamental role in recognition memory how the brain registers the difference between new and familiar objects and forms long-term memories.
La diabetes puede acelerar la aparición de bacterias resistentes a los antibióticos
Los pacientes con diabetes mellitus tienen más probabilidades de desarrollar infecciones por bacterias resistentes a los antibióticos, según un estudio realizado por microbiólogos de la Escuela de Medicina de la Universidad de Carolina del Norte (UNC).
Stronger, safer, smarter: Pioneering Zinc-based dissolvable implants for bone repair
New research could transform how broken bones are treated, with the development of a special zinc-based dissolvable material that could replace the metal plates and screws typically used to hold fractured bones together.
Long-term yogurt consumption tied to decreased incidence of certain types of colorectal cancer
Researchers looked at the role of long-term diet and the gut bacteria in colorectal cancer using data on participants who had been followed for three decades.
New blood test accurately predicts preeclampsia
A new blood test has an 80% accuracy in predicting preterm preeclampsia, according to a new study.
AI unlocks genetic clues to personalize cancer treatment
A groundbreaking study has uncovered how specific genetic mutations influence cancer treatment outcomes insights that could help doctors tailor treatments more effectively.
Inability of cells to recycle fats can spell disease
Accumulation of fat molecules is detrimental to the cell.
Short-course radiation therapy effective for endometrial cancer patients
Researchers have found that fewer sessions of higher dose vaginal cuff brachytherapy work just as well as more frequent, lower-dose treatments for endometrial cancer patients.
Breast cancer treatment advances with light-activated 'smart bomb' Scientists have developed new lightsensitive chemicals that can radically improve the treatment of aggressive cancers with minimal side effects.
Micro-nano plastics make other pollutants more dangerous to plants and intestinal cells
Researchers find that tiny plastic particles increase the absorption of environmental arsenic and pesticides in lettuce and human intestinal cells, raising new safety concerns about plastic pollution.
AI is better than humans at analyzing long-term ECG recordings In patients with symptoms such as irregular heartbeats, dizziness, or fainting, or in individuals that physicians suspect may have atrial fibrillation, many days of ECGs may be required for diagnosis 'longterm ECG recordings'.
People's trust in AI systems to make moral decisions is still some way off Psychologists warn that AI's perceived lack of human experience and genuine understanding may limit its acceptance to make higher-stakes moral decisions.
Biotecnología
Internal cap-initiated translation for efficient protein production from circular mRNA
Placement of an m7G cap internally on circular RNAs promotes their translation in vivo.
Hallado un mecanismo que posibilita que células especializadas de las meninges mantengan la salud del cerebro
Un trabajo identifica un papel crucial de las células T reguladoras en preservar la generación de neuronas y proteger funciones cognitivas como la memoria.
A ‘CRISPR’ way to visualize RNA in live cells
Visualizing RNA molecules in live cells remains a challenge, and existing methods require genetic manipulation or have limited resolution.
Single-molecule live-cell RNA imaging with CRISPR–Csm
Single-molecule live-cell fluorescence in situ hybridization uses an RNAtargeting CRISPR–Csm complex to image and track endogenous RNAs.
Sustained in situ protein production and release in the mammalian gut by an engineered bacteriophage Biologics are delivered to the gut using phage that infects resident commensal bacteria.
Vertex’s opioid-free drug for acute pain wins FDA approval
Society, patients and clinicians welcome a much-needed non-opioid pain medication. Vertex’s first-inclass analgesic Journavx could soon be followed by a new generation of addiction-free pain drugs acting at NaV1.8 sodium channels.
The reverse transcriptase domain of prime editors contributes to DNA repair in mammalian cells
DNA repair activity of reverse transcriptase may negatively affect prime editing precision.
Antibodies
Recent patents relating to antibody compositions and methods of use.
Heat-resistant rice without yield compromise
In the face of global warming, producing stress- and heat-resistant plants has been a long-standing goal in plant breeding and genetics.
Gene and cell therapies for Parkinson’s make headway
An investigational gene therapy to treat Parkinson’s disease entered phase 2 studies in January.
El virus de la lengua azul evade la respuesta inmune del hospedador para desencadenar la enfermedad
Este virus, que afecta sobre todo al ganado ovino y a otros rumiantes, es capaz de degradar una proteína del hospedador clave para activar su sistema inmunológico.
Largest proteome study enlists 14 biopharmas
Top biopharma companies have joined forces to conduct the biggest proteomics study yet, aimed at understanding how fluctuations in protein levels influence disease.
A chromatin-based model for deciphering gene interactions
Foundation models have leveraged diverse gene expression profiles for tasks such as cell type annotation or prediction of perturbation response.
De novo-designed protein binders neutralize snake toxins
Three-finger toxins are the major component of the venom of elapid snakes and have limited immunogenicity in antivenomproducing animals, which results in a weak antibody response.
Startup grows egg proteins in potato fields
Molecular farmers Maya Sapir-Mir (left) and Raya Liberman-Aloni are taking a global culinary favorite and transforming it into a low-cost bioreactor to manufacture egg protein.
Medioambiente
New England's salt marshes store 10 million cars' worth of carbon -- and add another 15,000-worth every year
In the race to combat global climate change, much attention has been given to natural 'carbon sinks:' those primarily terrestrial areas of the globe that absorb and sequester more carbon than they release.
El aumento de cultivos de hojas de coca en áreas protegidas bolivianas preocupa a la UE
La Unión Europea (UE) expresó su preocupación por el aumento del 34 % en los cultivos de hojas de coca en las áreas protegidas de Bolivia, registrado en el informe de monitoreo de esas plantaciones para 2023 que presentó la Oficina de las Naciones Unidas contra la Droga y el Delito (Unodc, en inglés).
Nanoplastics at lofty heights
Nanoplastics -- plastic particles smaller than 1 m are widely dispersed because of their low weight.
Using a data-driven approach to synthesize single-atom catalysts that can purify water
Researchers tested a strategy for developing single-atom catalysts that may help us develop more efficient methods for water purification.
Repeated invasions shape NZ's bird life
New esearch shows Aotearoa has been increasingly accepting new bird species from around the world since the start of the Ice Age, offering clues into future migration patterns.
Coffee grounds and Reishi
mushroom spores can be 3D printed into a compostable alternative to plastics
Researchers developed a new system for turning used coffee grounds into a paste, which they use to 3D print objects, such as packing materials and a vase.
No increase in grain dust explosion incidents last year, decrease in injuries
Nine U.S. grain dust explosions in 2024 caused two injuries and no fatalities, according to a nationwide annual summary.
Biomedicine shows the way to future food crops
Researchers have introduced genetic material into plants via their roots, opening a potential pathway for rapid crop improvement.
Study reveals extent of ecological damage from Niger Delta oil spills
An international research team has used earth observation radar data to map oil pipeline networks covering a 9000 km2 region in the Niger Delta and pinpoint where crude oil spills have caused the most acute damage to the delicate mangrove ecosystem.
Revelan la presencia de bacterias y hongos del Sáhara en el aire de Europa
Un estudio del Centro de Estudios
Avanzados de Blanes (CEAB-CSIC) y del Centro de Investigación Ecológica y Aplicaciones Forestales (CREAF) revela que bacterias y hongos procedentes del desierto del Sáhara tienen una presencia persistente en el sur de Europa con impacto en ecosistemas y en la salud.
Selective combustion provides energy-efficient alternative to remove pollutants from industrial processes
Researchers have discovered a new method by which a catalyst can be used to selectively burn one molecule in a mixture of hydrocarbons -- compounds made of hydrogen and carbon atoms.
Restoring wildlife habitats in wealthy nations could drive extinctions in species-rich regions, experts warn Researchers call on the international community to recognize and start tackling the 'biodiversity leak'.
Rapid environmental change can threaten even a peaceful Daisyworld
Using mathematical modeling, researchers have discovered that rate-induced tipping, which can happen if an environment changes too fast, can happen even in Daisyworld, a simple daisy-filled ecological model.
Inconsistent reporting leads to underestimation of climate impact of methane
Companies around the world are underestimating their total greenhouse gas footprints because of inconsistent accounting standards for methane emissions, finds a new study.
Los linces Virgo y Vuelvepiedras, nombres de un éxito colectivo para el desarrollo rural
Virgo y Vuelvepiedras son los dos primeros linces que se han reintroducido este lunes en el Cerrato palentino, un ejemplo de éxito colectivo que ve en la recuperación de esa especie una oportunidad de desarrollo rural.
Protected habitats aren't enough to save endangered species, study finds
In tropical forests, endangered species inside protected habitats are still in danger from threats from beyond their sanctuaries, according to a new study.
Reintroducing wolves to Scottish Highlands could help address climate emergency
Reintroducing wolves to the Scottish Highlands could lead to an expansion of native woodland which could take in and store one million tons of CO2 annually, according to a new study.
Importar madera de países pobres reduce la biodiversidad
Un estudio de Princeton cuantifica por primera vez el grado en que los países contribuyen a la pérdida de biodiversidad global al trasladar los costos ambientales de su consumo al extranjero.
Recyclable plastic for the printer
The possibilities for material design and production of plastic components are being expanded through 3D printing technology.
Scientists use distant sensor to monitor American Samoa earthquake swarm
In late July to October 2022, residents of the Manu'a Islands in American Samoa felt the earth shake several times a day, raising concerns of an imminent volcanic eruption or tsunami.
Research reveals how Earth got its ice caps
The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many complex processes working at once, according to new research.
Killing H5N1 in waste milk -- an alternative to pasteurization
Researchers have found that acidification can kill H5N1 in waste milk, providing dairy farmers an affordable, easy-to-use alternative to pasteurization.
California's marine protected areas boost fish populations across the state
It's 1999, the 21st century is on the horizon, and California has big plans for marine conservation.
Scientists optimize biohybrid ray development with machine learning
The Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and NTT Research, Inc., a division of NTT, announced the publication of research showing an application of machine-learning directed optimization (ML-DO) that efficiently searches for highperformance design configurations in the context of biohybrid robots.
Solar-powered device captures carbon dioxide from air to make sustainable fuel
Researchers have developed a reactor that pulls carbon dioxide directly from the air and converts it into sustainable fuel, using sunlight as the power source.
Research uses AI to make infrastructure more resilient, sustainable
From predicting potholes to designing more durable concrete, artificial intelligence is paving the way for smarter infrastructure, new studies show.
The 'hydrogen economy' may be relatively small, but critical
Researchers have quantified the role of the 'hydrogen economy' in making our society more sustainable. They present the results of extensive modelling of pathways to decarbonizing the European economy by 2050.
Research team identifies carbonatedissolving microorganisms
A research team has shown that methanogens, micro-organisms ubiquitous in low-oxygen environments like aquifers, soil and even permafrost, can propel their growth by dissolving calcium carbonate, one of the Earth's most abundant minerals.
Fewer forest fires burn in North America today than in the past--and that's a bad thing
Research analyzed tree rings and fire scars to compare modern fires to those in the past
Can artificial intelligence save the Great Barrier Reef?
Researchers are designing a global real-time monitoring system to help save the world's coral reefs from further decline, primarily due to bleaching caused by global warming.
Where do invasive species spread and why? Researchers take a novel approach to find the answer
Researchers took a deep dive to understand why certain locations are more susceptible and attractive to invasions by non-native plants or animals, making them prime targets for these species to spread.
Basura espacial: la ONU avisa de que sin soluciones urgentes peligra el acceso al espacio
Resulta difícil de imaginar un mundo donde el GPS falle, las noticias no lleguen y las aplicaciones bancarias dejen de funcionar. Pero todas esas tecnologías dependen de satélites y un enemigo invisible desde la Tierra las amenaza: la creciente basura espacial.
Economically, culturally important marine species vulnerable to changing climate
Dungeness crab, Pacific herring, and red abalone are among the marine species most vulnerable to the changing climate's effect on California's coastal waters, a new study finds.
Researchers are driving the charge of zero emissions
New research finds that electric vehicles generally produce less nonexhaust emissions compared with gasoline-powered vehicles.
Brake pad emissions can be more toxic than diesel exhaust
A study has found microscopic particles emitted from certain types of commonly fitted brake pads can be more toxic than those found in diesel vehicle exhaust.
Climate change threatens global cocoa production: New study highlights pollination-based solutions
This Valentine's Day, millions of pounds worth of chocolate will be exchanged as gifts, but climate change and biodiversity loss imperil future global supplies of this treat.
Engineered animals show new way to fight mercury pollution
Using genes borrowed from bacteria, researchers have demonstrated fish and flies can be engineered to break down methylmercury and remove it from their bodies as a less harmful gas, offering new ways to tackle one of the world's most dangerous pollutants.
PIK PR: Little potential for 'climate plantations' within planetary boundaries
Planting fast-growing crops, burning them, capturing the released CO2 and storing it: this is being discussed as a way to remove greenhouse gases from the atmosphere and limit global heating to 1.5 degrees in the long term.
Arctic cyclones could be missing link in sea ice depletion models
A study gives possible insight into the underprediction of sea ice depletion and the formation of Arctic cyclones. The study could lead to more accurate weather and climate models and better forecasting of Arctic cyclones.
The next-generation solar cell is fully recyclable
Researchers developed a method to recycle all parts of a solar cell repeatedly without environmentally hazardous solvents.
Según la UAM y CSIC los lobos pueden coexistir con la ganadería extensiva en la Sierra de Madrid
Una investigación de la Universidad Autónoma de Madrid (UAM) y el CSIC, en colaboración del Centro de Investigación en Biodiversidad y Cambio Global (CIBC.UAM) y la Fundación Entretantos, concluye que la actividad de la ganadería extensiva puede ser compatible con la recuperación de lobos, zorros, corzos, jabalíes y buitres leonados, entre otros, en la Sierra de Madrid.
Un informe alerta de la creciente intoxicación por metales pesados en la población española
Un informe elaborado por Biosalud Day Hospital a partir de una revisión de estudios alerta de un aumento de la intoxicación por metales pesados procedentes de la alimentación y el medioambiente, que comienza desde la infancia y que, en la edad adulta, se suele manifestar con dolor, inflamación y la aparición de enfermedades autoinmunes y degenerativas, entre otras.
España es uno de los diez países más afectados por los fenómenos meteorológicos extremos
España ha sido uno de los diez países más afectados por los fenómenos meteorológicos extremos entre 1993 y 2022, según Germanwatch.
Why we need to expand the search for climate-friendly microalgae
As global efforts to combat climate change intensify, microalgae stand out as an underutilized yet promising resource.
Ciencia
Researchers record ultrafast chorus dance of electrons on super-small particle
It may be the smallest, shortest chorus dance ever recorded. An international team of researchers observed how electrons, excited by ultrafast light pulses, danced in unison around a particle less than a nanometer in diameter.
Flickers and flares: Milky Way's central black hole constantly bubbles with light Astrophysicists have observed our central supermassive black hole. They found the accretion disk is constantly emitting flares without periods of rest.
Einstein Probe catches X-ray odd couple
Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair.
Creation of black holes without singularities through pure gravity
Traditional black holes, as predicted by Albert Einstein's theory of General Relativity, contain what are known as singularities, i.e. points where the laws of physics break down.
Las primeras observaciones en 3D de la atmósfera de un exoplaneta revelan un clima único
Al combinar las cuatro unidades de telescopio del Very Large Telescope (VLT de ESO) del Observatorio Europeo Austral, en Chile, un equipo de astrónomos ha podido sondear la atmósfera de un planeta situado fuera del Sistema Solar, mapeando su estructura en 3D por primera vez.
Deposits found on a nearby asteroid point to salty water in the outer Solar System
Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.
Physicists uncover evidence of two arrows of time emerging from the quantum realm What if time is not as fixed as we thought? Imagine that instead of flowing in one direction from past to future -- time could flow forward or backward due to processes taking place at the quantum level.
New 3D printing method replicates nature's finest fibers
Researchers have been trying to find new ways to produce and replicate the various useful features observed in nature.
Astronomers gauge livability of exoplanets orbiting white dwarf stars
Astronomers used a 3D global computer model to compare the climates of exoplanets in different stellar and orbital configurations.
Does planetary evolution favor human-like life? Study ups odds we're not alone
Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth.
AI speeds up nanoparticle research
A team of researchers succeeded in adapting an AI system to reliably assist with making nanoparticle measurements which speeds up the research process significantly.
'Game changing' release of Type Ia Supernovae data may hold key to the history of the Universe
A unique dataset of Type Ia Supernovae being released today could change how cosmologists measure the expansion history of the Universe.
Un cúmulo estelar despliega su colorido en una asombrosa imagen de 80 millones de píxeles
El Observatorio Europeo Austral (ESO) ha publicado una imagen de ochenta millones de píxeles del cúmulo estelar RCW 38, captada por el telescopio VISTA, que opera en el desierto de Atacama, en Chile.
Phoenix galaxy cluster in the act of extreme cooling
New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.
Tidal energy measurements help scientists understand Titan's composition, orbital history
Scientists are studying Saturn's moon Titan to assess its tidal dissipation rate, the energy lost as it orbits the ringed planet with its massive gravitational force.
Jumping workouts could help astronauts on the moon and Mars, study in mice suggests
Jumping workouts could help astronauts prevent the type of cartilage damage they are likely to endure during lengthy missions to Mars and the Moon, a new study suggests.
Scientists herald active matter breakthrough with creation of three-dimensional 'synthetic worms'
Researchers have made a breakthrough in the development of 'life-like' synthetic materials which are able to move by themselves like worms.
Biblioteca. Facultad de Biología
Universidad de Salamanca. Campus Miguel de Unamuno c/Donantes de Sangre s/n 37007 Salamanca angelpoveda@usal.es
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