A new 3D atlas of the mouse brain provides cellular-level detail, identifying previously unseen structures and nerve fibers. The Allen Mouse Brain Common Coordinate Framework (CCFv3) is an average of serial images from 1,675 mice, allowing for comparison and integration of diverse data types.
A bioethicist has sounded the alarm about unlicensed and unproven stem-cell-based 'therapies' being marketed for COVID-19 prevention and treatment. These businesses are taking advantage of hope and desperation, but rigorous clinical trials have not been conducted to establish their safety and efficacy.
Researchers found reduced brain structure and connection in individuals with body integrity dysphoria, linked to feelings of amputation. The study suggests specific brain anomalies may contribute to the desire for amputation, potentially leading to improved treatment options.
Researchers found that human brains replay neural firing patterns experienced while awake during sleep, supporting the idea of memory consolidation. The study used intracortical microelectrode arrays to record neuronal activity in two participants playing a sequence-copying game before and after sleep.
Researchers discovered that bacteria use a strategy called surface tumbling to slow down and reorient themselves on surfaces. This allows them to escape from surface traps and explore the surface for optimal conditions, leading to colonization and biofilm formation.
Recently recovered COVID-19 patients exhibit varied immune responses to SARS-CoV-2 proteins. High concentrations of neutralizing antibodies and IFNγ-secreting T cells were detected in some patients, indicating potential for vaccine targeting the receptor-binding domain. The study's findings have implications for designing effective vac...
A study found that people with type 2 diabetes who have well-controlled blood sugar fare better than those with poorly controlled blood sugar when infected with COVID-19. Those with well-managed T2D also receive less medical interventions and fewer health complications.
Researchers uncover the lives of three 16th-century African slaves found in a mass burial site in Mexico City, tracing their African origins and physical hardships. They also identify novel pathogens carried by the individuals, shedding light on the early introduction of diseases like hepatitis B virus and yaws to Latin America.
Researchers found that naked mole-rats require high levels of carbon dioxide to function, unlike other mammals. The genetic mutation in the KCC2 gene leads to impaired brain inhibition, which is compensated by increased carbon dioxide levels.
Researchers propose increasing investment in sustainable energy systems to decarbonize industry. The COVID-19 pandemic presents opportunities for low-interest rates and public spending to support the clean energy transition. Structural change is necessary to address climate change.
A new, implant-free optogenetics technique successfully manipulated neuron activity in mice and monkeys without causing brain damage. The SOUL protein allowed for light-induced alterations in neuronal responses throughout the entire mouse brain and superficial regions of the macaque brain.
A team of researchers has restored sensation to a paralyzed man's hand using a brain-computer interface (BCI) system, enabling him to detect objects by touch and experience enhanced control. The BCI system enhances neural signals that are too small for conscious perception, resulting in greatly improved motor function.
A study of 86 patients with mild-to-moderate COVID-19 found that lopinavir/ritonavir and Arbidol did not improve clinical outcomes or reduce symptoms, but may cause side effects. The findings suggest caution when using these antivirals for treatment.
Researchers identified three compounds responsible for the sweet scent, which increased females' attraction during breeding season. The findings suggest that these compounds act as pheromones, potentially influencing mating success.
Researchers study pterosaur fossils to understand their wing anatomy and flight capabilities, revealing novel tactics for bioinspired flight technology. By analyzing the morphology and predicted flight mechanics of these ancient creatures, scientists may be able to overcome hurdles still hindering man-made flight.
Researchers found that black rhinos carrying oxpeckers are better at sensing and avoiding humans than those without the birds. Oxpeckers' alarm calls help rhinos detect humans from a safe distance, allowing them to reorient themselves to face downwind.
A study found that parents and infants both experience a slowed heart rate during hugs, while younger infants also show relaxation when their back is pressed by a parent's hand. The research suggests that hugs play an important role in early bonding between parents and children.
Researchers argue that psychedelic drugs can have therapeutic benefits for mental health conditions. Brain imaging has shown that psychedelics activate specific receptors in the brain, leading to long-term changes in brain functioning and anatomy.
Researchers found that whooping crane conservation efforts may inadvertently put the species at risk due to large flock formation. The birds gather in proportionally larger groups as they lose their habitat, increasing the potential impact of disease outbreaks or extreme weather events on a substantial portion of the population.
Numerical competence in animals affects various aspects of their lives, including hunting, finding food, and attracting mates. Researchers believe that this ability plays a crucial role in an animal's chance of survival.
A recent study reveals that marine species are shifting their populations towards the poles in response to ocean warming, with significant implications for global biodiversity and coastal ecosystems. The research found a consistent pattern of species abundance increases at poleward edges and declines at equatorward edges.
Researchers used microelectrode arrays implanted in brains of two individuals with chronic tetraplegia to map motor functions down to single nerve cells. The study found that an area previously thought to control only one body part actually operates across a wide range of motor functions, demonstrating coordination between neurons.
The study reveals that microbial biofilms on the tongue have a complex spatial organization, with key bacterial genera such as Actinomyces, Rothia, and Streptococcus. The images show patchy community structure, with consorcia dominated by single taxa, and suggest a model for how these communities are generated.
Researchers assessed over 4,000 studies on species reintroduction and found that conservation success rates have improved over time. Machine learning and natural language processing techniques helped identify key indicators of positive sentiment, such as words like 'success,' 'protect,' and 'growth.'
Researchers studied vampire bat behavior, finding that social grooming and food sharing can build trust among unrelated bats to form long-lasting bonds. This cooperation is crucial for survival, as vampire bats must rely on each other for blood meals or risk starvation.
Researchers at New York University develop guidelines for optimal band gap values in wide-band gap semiconductors for efficient underwater use. Various materials, such as organic and alloys, are shown to be suitable for deep waters, potentially extending the range of autonomous submersible vehicles.
Scientists classify neurons into three classes based on their response to heartbeat-induced brain motion, revealing differences in firing properties and coordination with cognitive waves. This work aims to bridge scales between microscopic cell behavior and macroscopic cognition.
Researchers found that sea turtles respond to odors from biofouled plastics in the same way they respond to food odorants. This 'olfactory trap' explains why sea turtles ingest and become entangled in plastic debris. Biofouling, the accumulation of microbes on wet surfaces, is a major factor contributing to this attraction.
Researchers found that ship noise weakens shore crabs' ability to change shell color and respond to danger. The study shows that even for animals not primarily using sound, noise pollution can impact survival behaviors.
A study found that a clinically available drug, prochlorperazine (PCZ), inhibits the internalization of receptors on tumor cells, increasing the ability of anticancer antibodies to bind and mount effective immune responses. This temporary inhibition improves the effectiveness of cancer treatments.
A new genetic study reveals a complex US population structure, including fine-scale insights into recent history. The findings show diverse patterns among Hispanic/Latino and Asian American populations, shedding light on their ancestral origins and migration patterns.
Research reveals that animals like goats, termites, and elephants can suppress fires by altering plant consumption and habitat structure. Grazing animals can increase wildfire severity if not managed strategically, while insects stimulate plant defenses against flames.
A new technique for developing light-emitting fabrics has been developed by coating ultrasheer pantyhose with a thin layer of gold. The result is a soft, stretchable, and washable fabric that can be used to create wearable luminous clothing, while overcoming some of the limitations of existing light-emitting fabrics.
A recent study found that artificial sweeteners like sucralose can negatively impact insulin sensitivity and glucose metabolism when consumed with carbohydrates. The researchers believe this is due to the gut generating inaccurate messages about calorie availability, which can lead to negative effects on brain function and body response.
A study reveals that the unique architecture of the lip of the suction disc, featuring vertically oriented collagen fibers, provides elasticity for maximizing contact with substrates and maintains adhesive force. The discovery could lead to improved biomimetic suckers with enhanced functionality.
Researchers used soft robotic fingers to study deep-sea jellyfish, finding they expressed fewer stress-related genes when handled gently. This technology allows for less invasive and more accurate collection of ecological data in the ocean.
A new study found that gray whales are more likely to strand themselves on days with high sunspot counts, suggesting a disruption to their magnetoreceptive sensor. This suggests that solar storms may cause whales to become disoriented and lose their magnetic sense.
A team of researchers has made a significant discovery about the neural mechanisms of consciousness. By stimulating the central lateral thalamus in macaques under anesthesia, they were able to wake the animals and elicit normal waking behaviors. This breakthrough sheds light on the specific area of the brain responsible for consciousness.
Recent publications provide insights into FMT research, emphasizing the need for rigorous clinical trials to demonstrate safety and effectiveness. Researchers are evaluating different preparations of FMT and manufacturers are developing products for licensure.
Research finds that Amazon trees contain detailed records of human activities, including native culture and colonial occupation. The study reveals how trees respond to human activity and can live for hundreds of years, registering impacts on the surrounding ecosystem.
Exposure to pesticide atrazine alters wasps' gut microbiome, conferring resistance that is inherited across successive generations. The altered microbiome also increases tolerance to other pesticides like glyphosate.
A recent study found a six percent increase in fatal traffic accidents in the week following the DST transition each spring, resulting in over 28 fatalities potentially prevented annually. The risk is particularly pronounced in the morning hours and locations further west within a time zone.
Researchers found that African genomes contain more Neanderthal sequences than previously reported, suggesting back-migration from European ancestors. The study also reveals surprisingly similar levels of Neanderthal ancestry in Europeans, East Asians, and South Asians.
Researchers created snake venom glands as organoids, producing biologically active venom peptides. This breakthrough could lead to more efficient and cost-effective production of antivenom, addressing a pressing medical need.
Researchers found that jewel beetles' bright colors can act as a form of camouflage, outperforming dull-colored counterparts in detection avoidance. The ability to remain hidden became even more pronounced when the iridescent wing cases were placed against a glossy leaf background.
Researchers have developed a coating that releases water vapor to dissipate heat from running devices, outperforming existing strategies in cooling efficiency. The coating uses metal organic frameworks (MOFs) and can absorb moisture from the air, providing effective cooling and quick recovery.
A team of researchers found that using fewer coffee beans and grinding them more coarsely can produce a consistent and strong espresso. This approach could lead to economic gains for cafes and sustainability benefits for the industry.
Researchers observe wolf puppies retrieving balls and responding to social cues from unfamiliar humans in a surprising display of cognitive abilities. This finding suggests that ancestral variation may have contributed to human-directed play behavior in dogs.
Researchers created a green living material that demonstrates similar strength to cement-based mortar by combining sand, bacteria, and hydrogel. The material reproduces and can be controlled to maintain structural function and microbial survivability.
Researchers have found that certain microbes affect sperm quality, fertilization, embryo implantation, and reproductive health across various animal species. The study also sheds light on the role of the reproductive microbiome in sexual selection, mating systems, and sexual conflict.