Researchers found that Egyptian fruit bats and mice exhibit synchronized neural activity in social situations, predicting behaviors such as initiating interactions or responding to dominance hierarchies. This discovery sheds light on the neural mechanisms underlying animal social behavior and may provide insights into mental diseases l...
DNA microscopy enables spatially mapping genetic material without optical equipment, allowing researchers to track molecular positions and variations. The technique has potential applications in understanding biological processes, cancer, and immune system development.
Researchers found that bioluminescence helps dinoflagellates ward off copepod grazers, allowing them to survive longer and compete better. This defense mechanism may be crucial for the species' success as a poor competitor.
The Genes for Good project has engaged over 80,000 Facebook users, collected 27,000 DNA samples and amassed a trove of health survey data on a more diverse group than previously possible. Researchers say their app could work as a model for studies on an even larger scale.
Researchers found that atmospheric oxygen exposure triggers removal of interdigital webbing during embryo development. This mechanism is thought to be shared by all tetrapods and contributes to limb shape variation. The study provides insight into the evolutionary process behind limb development in animals.
A new study reveals that the correlation between food consumption and gut microbiome changes is not as straightforward as previously thought. Researchers found that considering the relationships between foods can reveal stronger associations between dietary nutrients and specific strains of microbes.
Researchers created an empirical energy consumption model to estimate Bitcoin's power consumption and associated carbon emissions. The study found that Bitcoin's carbon footprint measures up to that of Kansas City, contributing to global climate change concerns.
A genome-wide search has revealed genetic variants linked to varying antibody levels after childhood vaccines, potentially informing personalized vaccine strategies. The study identifies two genetic loci associated with the persistence of vaccine-induced immunity.
Researchers created a synthetic insulator mimicking polar bear hair's structure, which traps heat and is lightweight and water-resistant. The new material has exceptional stretchiness, making it suitable for aerospace applications.
Deep-sea dragonfish have evolved transparent teeth with nanostructured nanocrystals, allowing them to capture prey effectively in the dark depths. The unique adaptation helps the fish avoid being shunned away by its own huge teeth.
Scientists have found that sponges can collect and filter DNA from fish, seal, and penguin DNA in the water they filter, making them an ideal sampling unit for monitoring biodiversity. This method uses sponge tissue as a natural sampler, reducing processing time and risk of contamination.
Scientists have demonstrated that CO2 can outperform water as a fracking fluid, creating complex networks of fractures with significantly higher stimulated volumes. This technology has the potential to make fracking more efficient and reduce its environmental impact.
Researchers develop a stem cell therapy that restores smell in mice by replacing damaged olfactory neurons. The treatment shows promise for treating various causes of olfactory loss and may lead to new treatments for humans.
In a study on Egyptian fruit bats, researchers found that females consistently take food from male peers and eventually mate with them. The findings support the 'food-for-sex' hypothesis in this species.
B.J. Casey advocates for reform to ensure healthy psychological development for young offenders in the US prison system. She recommends bail reform and closing facilities that lack rehabilitation components, citing examples like Kalief Browder's tragic case.
A team of neuroethicists examined 41 wearable brain devices, identifying issues with claims made by companies about their products. The study highlights the need for more transparent communication about potential outcomes, as well as consideration of ethical implications and potential risks.
Research finds that bonobo moms play an active role in helping their sons find a mate by preventing other males from mating and bringing them to ovulating females. This increases the sons' chances of becoming fathers, a finding that suggests bonobo mothers have a significant impact on male fertility.
Researchers found that circadian rhythms impact immune responses, with morning immune cells elevated and nighttime levels suppressed. This discovery may lead to time-tailored therapies for human patients.
A randomized, controlled trial found that ultra-processed diets led to higher calorie consumption and weight gain compared to unprocessed diets. Participants consumed an average of 508 calories more per day on the ultra-processed diet, resulting in a two-pound weight gain.
Researchers found that nitrogen-rich poop from penguins and seals creates biodiversity hotspots in Antarctica, supporting thriving communities of mosses and lichens. The extent of these hotspots is linked to the number of animals present, not climate or region dryness.
Researchers found that Uralic-speaking people in Northern Europe inherited genetic material from ancient Siberians, arriving by the start of the Iron Age. The study reveals a mix of genetic, archaeological, and linguistic data supporting this theory.
Researchers used ecological and evolutionary attributes to model extinction risk for data-deficient amphibians, finding over 1,000 species threatened with extinction. Half of these species are likely Endangered or Critically Endangered, primarily in the Neotropics and Southeast Asia.
Researchers identified two lead compounds that disrupt SpCas9 DNA binding, enabling precise control over CRISPR-Cas9-based technologies. These small-molecule inhibitors are reversible and dose-dependent, allowing for safe use of gene editing tools.
A recent study reveals that giant pandas' protein and carbohydrate intake resembles a hypercarnivore's diet, with 50% of energy coming from protein. The findings suggest that the transition to an extreme specialized herbivorous diet was not as drastic as previously thought.
Researchers created an algorithm that generated images to super-stimulate monkey neurons, showing the brain builds preferred images from scratch. The study reveals insights into how the brain learns to abstract statistically relevant features of its world.
A genomic tour-de-force identifies two extinct lineages and suggests speed was only selected for recently in horse evolution. The study sheds light on the complex history of horses, highlighting their diverse past and its impact on conservation and breeding practices.
Researchers sequenced the narwhal genome, finding low genetic diversity despite the species' abundance. The findings challenge the notion that high genetic diversity is necessary for survival.
Scientists have discovered that caffeine can improve the performance and thermal stability of perovskite solar cells, increasing their efficiency from 17% to over 20%. The unique molecular structure of caffeine allows it to interact with perovskite precursors, giving this technology an edge on the market.
Mosquitoes repel from DEET on contact when legs come into contact with skin, according to a recent study. This discovery could lead to the development of more effective and longer-lasting insect repellents.
A global survey of ocean viruses has identified nearly 200,000 species, exceeding prior estimates by 13,000. The findings have significant implications for understanding climate change, evolution, and the impact of microorganisms on the atmosphere.
A team of UC students used a novel approach called Network Assisted Genomic Association (NAGA) to identify schizophrenia genes from terabytes of data. The technique outperformed previously published methods and ran the analysis in under five minutes.
Researchers analyzed B. fragilis' evolution in humans, finding 16 genes evolve within individuals, targeting pathways for fiber uptake and immune system interactions. The study also revealed differences in mutations between Western and Eastern cultures, with potential implications for probiotic choices and microbial therapies.
Researchers warn that permanent daylight savings time could negate benefits from delaying school start times, which aim to give teens more sleep. The study suggests that schools would need to delay start times by one hour during winter months under permanent DST.
A team of researchers analyzed the DNA of nine 13th-century Crusaders, revealing a genetically diverse group that intermixed with local populations. The findings provide insights into the history of the Crusades and highlight the importance of ancient DNA in understanding historical events.
Research suggests that exercise performed in the evening may be more productive due to increased levels of ZMP, a metabolite that activates metabolic pathways related to glycolysis and fatty acid oxidation. In human studies, lower oxygen consumption and better exercise efficiency were observed in the evening compared to morning.
Researchers have developed a scoring system based on genetic markers to predict an individual's inborn risk for obesity. The score accurately predicted BMI and obesity in over 300,000 individuals, with those in the top 10% being 29 pounds heavier on average and 25 times more likely to develop severe obesity.
Rhythmic food intake drives liver gene expression independently of the molecular clock, regulating metabolic pathways and potentially leading to health issues like aging and obesity. The study's findings have implications for understanding circadian biology and the impact of timing on health.
Researchers found that bacteria can recognize themselves using phages, which helps them repel competitors and gain a fitness advantage.
Scientists found that NIPSNAP proteins function as 'eat me' signals on damaged mitochondria, recruiting cellular machinery for mitophagy. In a zebrafish model, animals lacking NIPSNAP1 protein died within five days due to impaired mitochondrial clearance, highlighting its importance in maintaining dopaminergic neurons.
A new study of ancient DNA fragments in modern Papuans and Islanders suggests two distinct Denisovan lineages separated for hundreds of thousands of years, one potentially a new archaic hominin species. The findings highlight the importance of considering underrepresented regions in genome data to improve scientific interpretations.
Researchers explore how humans perceive robot responsibility and argue that key capacities, such as autonomy and appearance, can influence moral judgments. This understanding is crucial for real-world public policy decisions as robots become increasingly integrated into society.
Researchers have developed a synthetic DNA-encoded monoclonal antibody that rapidly protects mice and non-human primates from Zika infection. The DMAb-ZK190 platform has shown promise in controlling infection and reducing viral loads, providing a potential alternative to existing prevention methods.
Researchers have uncovered an ancient four-legged whale named Peregocetus pacificus, dated to 42.6 million years ago, with a mix of terrestrial and aquatic adaptations. The discovery supports the hypothesis that early cetaceans migrated from Africa to South America across the South Atlantic.
Scientists found that certain antibiotics trigger the generation of toxic molecules called reactive oxygen species (ROS), which can lead to new mutations and antibiotic resistance. ROS-reducing drugs like edaravone can prevent these mutations, suggesting a potential new strategy to combat resistance evolution
A review explores how two cell populations respond to organ failure, with one type relying on endoreplication and the other on cell regeneration. This cooperative response allows organs to recover from failure, but also presents tradeoffs that can impact long-term health.
A team of researchers has shown that a single population of stem cells in mice generates new neurons throughout their lifetime, contributing to embryonic, early postnatal, and adult neurogenesis in the hippocampus. This finding suggests that the brain has the capacity for continuous improvement and adaptation.
Mosquitoes use an olfactory coreceptor called Ir8a to detect acidic volatiles found in human sweat, which is necessary for their host detection system. The study suggests new approaches for designing improved mosquito repellents and potentially even a life-saving perfume.
Scientists have developed a method to print electronic fibers onto fabrics using a 3D printer. The technique allows for the creation of flexible, wearable hybrid materials with unprecedented properties, enabling the integration of functions such as sensing and actuating into smart wearable systems.
A study found that a hallucinogenic drug reduces signaling in the visual cortex, leading to altered timing of neuron firing and triggering visual hallucinations. The research has implications for understanding neurological underpinnings in disorders like schizophrenia.
The bias in human genomics research limits understanding of health and disease, and the ability to make accurate predictions and develop new treatments. The authors call for increased diversity in studies to address health inequalities and mistrust