Researchers found dogs process human speech in left- and right-hemisphere biases, similar to humans. Dogs respond differently to familiar commands and intonation cues, suggesting they pay attention to both who and how we communicate.
Honeybee populations are under stress due to various factors, leading to susceptibility to diseases. Researchers suggest that managing stress and improving nutrition could help improve bee immunity and health. They call for more basic science to understand the underlying immune responses and molecular mechanisms involved.
A study in mice reveals that Sox2 protein can convert NG2 glia, a type of support cell, into neurons in the injured cerebral cortex. This finding supports the notion that cellular reprogramming may become a way to replace degenerated neurons in the adult brain.
Researchers developed a sound-based training approach to enhance brain's distractibility, improving focus in aged rats and humans. Training reduced distraction-related errors and improved memory and attention spans.
A new study published in Immunity reveals that placental growth factor (PlGF) in the spleen activates harmful immune responses leading to high blood pressure. Mice genetically engineered to lack PlGF were protected from hypertension-related damage, suggesting PlGF as a potential therapeutic target.
Researchers have developed a computational model to design fusion proteins that target cancer cells while minimizing harm to healthy cells. The model predicts the behavior of these proteins and can help identify promising candidates for drug testing.
Researchers discovered a mutation in adult fruit flies that prevents testicular cells from transforming into ovaries, maintaining sex identity. The study's findings have implications for understanding cell fate conversions and may lead to new therapeutic approaches.
A study published in Current Biology found that aggressive chimpanzee males sire more offspring, suggesting sexual coercion is an adaptive strategy for males. Genetic evidence showed that high-ranking males who intimidate females when they are not swollen had more reproductive success.
A twin study found that specific gut microbes are heritable and more common in lean individuals, protecting against weight gain. The findings suggest that genetic variation influences the composition of gut microbes, which can be used to develop personalized probiotic therapies to reduce obesity-related diseases.
Researchers develop robot that induces feeling of 'ghost' presence in healthy participants by sending mixed-up sensorimotor signals. The phenomenon is linked to damage in frontoparietal cortex and may shed light on schizophrenic hallucinations.
Transplantation of stem-cell-derived dopamine neurons restores motor function in a rat model of Parkinson's disease, suggesting a viable alternative to existing treatments. The therapy demonstrates efficacy and potency similar to fetal neurons, paving the way for human clinical trials.
Research on Alzheimer's disease and other neurological conditions may eventually lead to ways to prevent memory loss, learning disabilities, and devastating symptoms. Significant progress continues to be made with advancements in detecting neurodegeneration and predicting cognitive decline.
New research reveals that gut bacteria convert red meat's L-carnitine into trimethylamine-N-oxide, a compound promoting atherosclerosis. Gamma-butyrobetaine, another metabolite produced by gut bacteria, also contributes to cardiovascular risk.
Researcher Sean Young suggests that social media can be used to monitor and predict HIV transmission by analyzing psychological and health-related data from users. This approach has shown promising results in identifying individuals at risk of HIV transmission and increasing awareness of the disease.
A study published in Current Biology found that the brain's response to disgusting images can reliably predict a person's political affiliation. The researchers used functional magnetic resonance imaging (fMRI) to analyze brain activity while participants viewed neutral, pleasant, and disgusting images.
Breeding salt-tolerant crops could be a game-changer in addressing soil salinity issues, threatening 3 hectares of usable land every minute. Researchers propose using 'salt bladders' to deposit excess salt, inspired by naturally salt-loving plants.
A study on newborn mice reveals a previously unknown mechanism involving bone growth and muscle contraction that rapidly realigns fractured arm bones. This finding could lead to alternative approaches for treating fractures in adults, improving treatment outcomes by reducing side effects like muscle atrophy.
Researchers have developed a new method for using engineered gene circuits in a cell-free, paper-based system to detect deadly viruses like Ebola. The low-cost platform could enable rapid detection of different strains of the virus.
Genomic analysis of Rapanui people reveals significant contact with Native American populations between AD 1300 and AD 1500, suggesting a pre-European trans-Pacific route. The findings challenge traditional textbook versions of human colonization events.
A genetic variant once aiding Arctic survival now linked to increased risk of hypoglycemia in modern populations. Researchers analyzed genomes from Northern Siberians, Europeans, and East Asians, finding the CPT1A gene variant was prevalent in Northern Siberians but absent in other populations.
Experts use drones to collect detailed information on environmental changes and their impact on the movement of people, animals, and insects that carry diseases. This helps researchers understand how land use changes affect human infection rates.
Research shows that people associate specific facial traits with personality traits, leading to biased decisions. Studies have found that faces associated with competence, dominance, and friendliness influence social outcomes, such as election results and military rank attainment.
A recent study reveals that two viruses have led to the collapse of three amphibian species and impacted six others in northern Spain, causing severe disease and mass mortality.
A new study in mice found that male and female brains respond to high-fat diets in remarkably different ways, with males experiencing greater inflammation and reduced cardiac function. The findings suggest that dietary advice should be made more sex-specific, with women allowed occasional high-fat meals and men advised to avoid them.
A new study has uncovered a gene that affects blood cholesterol levels through the generation of a compound from omega-6 polyunsaturated fatty acids, called lipoxins. Aspirin is also found to promote lipoxin production, leading to lower LDL cholesterol and increased HDL cholesterol.
A study reveals that disrupting daily rhythms of gut microbes due to jet lag can cause obesity and metabolic issues. This disruption leads to changes in the microbial community, favoring bacteria linked to obesity and metabolic disease.
Fruit flies are attracted to the beer-like scent produced by brewer's yeast due to a specific gene called ATF1. This symbiotic relationship benefits both species: flies feed on yeasts and yeasts receive dispersal of their cells.
A study by researchers at The Rockefeller University has identified a new class of brain cells that play a crucial role in regulating female social behavior in mice. These oxytocin-responsive neurons are found in the prefrontal cortex and may mediate other aspects of behavior in response to elevated oxytocin levels.
A study reveals that distinct genetic mutations in neurodevelopmental disorders produce similar molecular effects, suggesting a one-size-fits-all therapeutic approach may be effective for conditions like seizures and ADHD. The research identifies shared molecular pathways involved in these diseases, providing new insights into their ca...
Research reveals that curiosity activates brain regions involved in learning and memory, leading to improved retention of information. Curiosity also recruits the reward system and interactions between the hippocampus and reward circuit enhance learning, suggesting new approaches for treating memory disorders.
A new study reveals the cerebellum expanded up to six times faster than expected in human and ape evolution, shifting focus from the neocortex. The findings suggest technical intelligence was equally important as social intelligence in human cognitive evolution.
Researchers have made breakthroughs in understanding the interactions between botulinum neurotoxins and cells, paving the way for safer forms of Botox. By designing inhibitors or specific antibodies, scientists hope to prevent toxic interactions and engineer safer toxins for medical and cosmetic use.
In unpredictable situations, rats abandon past experience for random choices, controlled by the anterior cingulate cortex. This finding may have implications for human disorders like depression, where ordinary decision-making is ineffective.
A study published in Current Biology found that individuals with Tourette syndrome have elevated concentrations of GABA in a specific brain region, which may lead to improved motor control. This increase in GABA levels could provide new targets for non-drug therapies, such as brain stimulation, to help manage symptoms.
Researchers discovered that a single dose of antidepressant can dramatically change the human brain's functional architecture within three hours. The study found increased connectivity in two specific brain regions, while reducing intrinsic connectivity elsewhere.
Using human induced pluripotent stem cells (hiPSCs), researchers discovered that schizophrenia patients' hiPSC-derived neurons release more neurotransmitters, including dopamine. This finding could lead to a better understanding of brain disorders and the development of new therapeutic strategies.
A new study reveals that gut microbes play a vital role in stimulating protective immune responses to the seasonal flu vaccine. Researchers found that mice with altered gut microbiota showed reduced antibody responses to vaccination, highlighting the importance of gut microbes in vaccine efficacy.
Researchers found that parts of the brain continue to make word classifications even while asleep. This ability may help explain everyday experiences like being sensitive to one's name or alarm clock sounds during sleep. The study also suggests unconscious processing isn't limited by task complexity but rather by automation.
Researchers found that coral trout can choose the best moray partner for hunting, and even learn which one is more helpful. They use intentional communication to manipulate the behavior of suitable species to achieve a common goal.
Researchers discovered that a unique twist in the nectar spur of a bird-pollinated flower allows for more efficient pollen placement on sunbirds' heads and bills. This adaptation increases the likelihood of successful pollination and reduces competition among plant species.
Research finds that brain regions associated with learning and emotion regulation are activated when people perceive control over setbacks, promoting persistence. This knowledge has implications for education and treatment programs.
Researchers reveal that archerfish actively control the dynamics of their water jets to hit targets at varying distances, employing a unique tool-using behavior. This adaptability has potential applications in human-built nozzles and industries.
Damage to the prefrontal lobe is often overlooked but critical for socialization, emotional control and real-life decisions. Studies have shown that distinct areas of the frontal lobes are essential for complex human skills and behavior.
Researchers found that viruses infecting algae drive the life-and-death dynamics of massive algal blooms, with a single bloom fixing about as much carbon as an equivalent patch of rainforest. This has significant implications for climate and ocean carbon sequestration.
Two experts denounce clinical trials of highly implausible treatments, citing dubious science and lack of evidence. They advocate for science-based medicine, urging patients to exercise critical thinking when evaluating treatment options.
Researchers used laser optical tweezers to study interactions between malaria parasites and red blood cells, revealing new insights into the disease process. The study found that attachment is mediated by multiple weak interactions, which could potentially be blocked by a combination of drugs or antibodies.
Compromise solutions are needed when building roads through sensitive tropical and subtropical areas, say experts. The authors propose four measures to mitigate tensions between roads and protected areas, including early involvement of infrastructure engineers and natural resource managers.
Researchers have identified a small molecule capable of interrupting the disease process in cells carrying the C9ORF72 gene, a variant associated with ALS and FTD. The compound selectively targets abnormal RNA molecules, reducing their accumulation and potentially serving as a biomarker for clinical trials.
Researchers found that mountain lions in the Santa Monica Mountains have dangerously low genetic diversity due to near complete isolation by freeways. Only one young lion successfully dispersed into the area over a decade, highlighting the need for increased connectivity.
Research reveals that altering the intestinal microbiota during infancy can have lasting metabolic consequences, increasing the risk of obesity and diabetes in adulthood. Disrupting beneficial gut bacteria with antibiotics during critical developmental windows may lead to obesity and metabolic problems.