Researchers developed AwareDX, a machine learning algorithm that groups data into sex-balanced subsets to identify potential sex-specific drug effects. The algorithm has successfully predicted effects for several drugs, including simvastatin and risperidone, based on genetic differences between men and women.
Researchers discovered a fungal virus that converts a deadly fungal pathogen into a beneficial endophytic fungus in rapeseed plants. The transformed fungus boosts the plant's immune system, leading to increased weight, root growth, and resistance to diseases.
Researchers in China have designed a nanogenerator that captures light breezes, generating electricity through the triboelectric effect. The device can power small electronic devices and is suitable for nature reserves or cities, offering a cost-effective alternative to traditional wind turbines.
A global assessment maps the spatial relationship between people and forests, revealing an estimated 1.6 billion individuals live near forests. The study highlights that many of these people do not rely on forest resources for their livelihoods.
Researchers found that scent-trained honeybees visited sunflowers more often and brought back more pollen, resulting in a 29-57% increase in seed production. This approach could improve pollination efficiency for crops like almonds, pears, and apples.
Scientists have discovered the first X-ray crystallography structure of LSD bound to its target in the brain, revealing how it induces hallucinogenic effects. The study also uncovers images of a prototypical hallucinogen coupled with the entire serotonin receptor complex.
A machine-learning tool analyzed COVID-19 publications revealing a shortage of basic lab-based studies on the virus's microbiology. This gap may hinder our ability to contain future pandemics.
A new study finds that high viral loads are associated with a greater risk of death among patients with both cancer and COVID-19. Patients with hematologic malignancies who had recently been treated for cancer had the highest levels of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
Researchers have discovered that human white blood cells use a new mechanism called molecular paddling to swim and migrate through fluids without changing shape. This discovery sheds light on the mechanisms of cell migration, which could impact our understanding of immune responses and cancer research.
Researchers tracked acorn woodpecker warriors using radio tags, finding they fight for days-long to win territories, while spectators travel great distances to collect social information from the battles. The complex social behavior of woodpeckers reveals intricate networks and rivalries among the birds.
The Operation Outbreak platform simulates pandemics with different variables, including R0 and mode of transmission. The app uses Bluetooth-based contact tracing to generate data in the context of human behavior.
A two-stage model integrates continuous processing with discrete conscious moments, resolving the 1,500-year-old question of whether consciousness is continuous or discrete. This new framework offers a fresh perspective on information processing and could revolutionize fields like neuroscience, psychology, and computer vision.
Researchers are developing a new method to locate human remains by analyzing changes in plant chemistry, which could lead to faster and safer searches. The team will assess how cadaver decomposition affects nearby plants' nutrient concentrations and leaf color.
The discovery of the first near-intact embryonic skull of a sauropod sauropodomorph has revealed unexpected facial features. The study suggests that hatchlings may have had specialized features, such as a thickened prominence or single-horned face, that changed as they grew into adults.
A study shows that friends who swap bodies experience changes in their self-perception and memory, highlighting the connection between our mental and physical selves. Participants who fully embraced their friend's body performed better on memory tests than those who felt disconnected from their own body.
Researchers developed a smart eyewear that tracks eye movement and cardiac data, providing accurate measurements in everyday environments. The device uses washable hydrogel electrodes and pulse sensors, offering comfort and durability, with potential applications in health monitoring, virtual reality, and advertising analysis.
Researchers discovered a four-meter-long thalattosaur fossil in the stomach of an ichthyosaur, providing direct evidence that these giant marine reptiles consumed large animals. The find suggests that megapredation was more common than previously thought, contradicting the idea that ichthyosaurs fed on small prey like cephalopods.
Researchers found that COVID-19 patients who experience cytokine storms have a disrupted immune response, leading to the formation of few germinal centers and thus preventing durable immunity. Although some neutralizing antibodies are produced, they lack long-term memory, allowing for repeated infections with the same virus.
Researchers found that mild COVID-19 cases can elicit robust memory T cell responses, even in the absence of detectable virus-specific antibody responses. These responses may play a significant role in preventing recurrent episodes of severe disease.
Researchers sequenced ancient DNA from 14 woolly rhinoceroses and found that the species remained stable and diverse until temperatures rose too high for them, leading to extinction around 18,500 years ago. Genetic mutations helped the animals adapt to colder weather, but climate change ultimately contributed to their demise.
Researchers found that electroacupuncture can significantly reduce pro-inflammatory molecule levels and increase survival rates in mice with a life-threatening inflammatory condition. The treatment worked by exciting norepinephrine-producing nerves, which activated receptors that suppressed inflammation.
Researchers sent perovskite and organic solar cells on a rocket into space, withstanding extreme conditions to produce power from direct sunlight and reflective light. The technology offers a promising solution for future space missions, as it is incredibly light and flexible, producing up to 14 milliwatts per square centimeter.
A new study found that firearm purchases increase after mass shootings primarily driven by concern over regulation rather than perceived need for protection. The researchers used data science to analyze spatio-temporal data from all US states and determined causation behind the correlation.
Researchers discover a novel mechanism of structural color in Viburnum tinus fruits, using lipid nanostructures to reflect blue light. The striking blue color may also serve as a signal to birds indicating the fruit's nutritional value.
Researchers develop a new class of materials that can seamlessly transfer a compound's bright fluorescence to a solid state, overcoming a long-standing barrier. The breakthrough has potential applications in solar energy harvesting, bioimaging, and lasers.
Seabirds produce guano that serves as a fertilizer and contributes significantly to coastal and marine ecosystems. The researchers estimated the value of guano production at around $473 million per year, with nutrients deposited by seabirds worth an additional $1 billion annually.
Researchers propose a new hypothesis that the Y chromosome is protected from extinction by carrying 'executioner genes' that self-regulate and ensure successful sperm production. These genes, which regulate meiotic silencing, are toxic when activated at the wrong time, protecting the Y chromosome from loss.
Researchers studied the decline of Arctic sea ice in 2018, finding it was three times higher than the initial loss during the satellite era. The study links this decline to global atmospheric processes and warns of catastrophic impacts on air temperatures and ocean circulation if the trend continues.
A recent study on ginkgoes found that they can 'escape senescence at the whole-plant level,' raising questions about the apparent lack of aging in centuries-old trees. However, plant biologist Sergi Munné-Bosch argues that these organisms still undergo physiological stress associated with senescence.
A new mRNA-based vaccine candidate, ARCoV, elicits protective immunity in mice and non-human primates, preventing SARS-CoV-2 infection. The vaccine induces high levels of neutralizing antibodies and T cell responses, offering broad protection against different strains.
Researchers linked genetic data with historical records to uncover new insights into the slave trade's effects on African Americans and Latin Americans. The study found that Nigerian ancestry is over-represented in US African Americans, while Senegambians are under-represented due to their transportation to rice plantations.
Researchers identified two major factors: dry climate and city life, which led to the evolution of Aedes aegypti mosquitoes to specialize in biting humans. In regions with intense dry seasons, these mosquitoes showed a strong preference for human hosts.
Researchers found that sea turtles do not arrive at their targets with pinpoint accuracy, but can make course corrections in the open ocean. They use a crude true navigation system, possibly using the earth's geomagnetic field, to guide them on their way.
Researchers are using art to fill gaps in the history of fruits, vegetables, and cereal crops by analyzing ancient depictions. By studying artworks, they can determine what these plants looked like and where they were found in the past.
A nearly complete skeleton of an extinct large dolphin found in South Carolina reveals that this species was a top predator in its community. The findings suggest that modern baleen and toothed whales evolved similar features independently, driven by parallel evolution in the same aquatic habitats.
Researchers developed a one-step system combining CRISPR-mediated genome editing with other approaches to produce better seeds and shorten the production timeline. This new method can be applied to various crops, including maize, rice, millet, wheat, and sorghum.
Researchers have found snake-like venom glands in the ringed caecilian, a limbless amphibian, which may indicate an early evolutionary design of oral venom organs. The discovery suggests that caecilians could be the oldest land-dwelling vertebrates with oral venom glands.
Researchers found a new formula that better matches canine-human life stages, with an 8-week-old dog equivalent to a 9-month-old baby. The study also identified developmental genes that drive aging and created an age-measuring clock for different species.
A white-throated sparrow's unique two-note-ending variant has replaced the historic three-note ending across Canada, a phenomenon unprecedented in bird species. The new song's rapid spread is attributed to overwintering grounds, where juveniles may learn and adopt new song types.
A preprint about a coronavirus variant with a mutation leading to increased transmissibility underwent significant changes upon peer review. The revised paper presents additional experimental and clinical data suggesting the variant may be more infectious, but its impact on disease severity remains uncertain.
A study published in Current Biology found that dolphins can learn new foraging skills by observing and imitating their peers, not just their mothers. The researchers identified over 1,000 individual dolphins performing the behavior, which spreads primarily within social networks.
Researchers found that statin use was associated with a lower death rate and mechanical ventilation incidence in hospitalized COVID-19 patients. Statins were also linked to improved immune responses and reduced inflammation.
Researchers found a 8% increase in sunlight reaching solar panels in Delhi due to reduced air pollution. The cleaner air allowed for more efficient energy production from solar panels.
The COVID-19 pandemic may slow down the transition to cleaner technologies due to reduced investments in clean energy innovation. This could lead to increased greenhouse gas emissions and air pollution. However, governments can respond by incorporating green components into stimulus packages and investing in renewable energy.
Researchers used stem cells to study the developmental effects of Neandertal DNA, finding that archaic DNA contributes to skin and hair color traits prevalent in Europeans. The study provides a proof-of-principle for using organoids to track Neandertal-derived RNA across developmental processes.
Researchers at a Boston academic medical center designed and implemented a reusable face shield for front-line medical staff within weeks. The design provides an efficient and generally applicable approach for leveraging local manufacturing processes to quickly produce personal protective equipment (PPE) during public health emergencies.
Researchers at Japan Advanced Institute of Science and Technology found that soap bubbles can deliver pollen grains to targeted flowers, facilitating effective pollination. The technique outperformed other methods in terms of precision and quality, but requires further improvement for large-scale application.
The COVID-19 pandemic has altered sleep patterns in the US and Europe, with increased sleep duration and reduced social jetlag, but also lower self-reported sleep quality due to increased stress and burden.
A nationwide integrated health system study found hydroxychloroquine did not reduce the risk of ventilation or death, but was associated with longer hospital stays. The study included data from 807 hospitalized patients and analyzed outcomes for COVID-19 treatment with hydroxychloroquine.
Research published in Neuron found that adult-born neurons are essential for synaptic structural remodeling and memory consolidation during rapid eye movement sleep in mice. The study used optogenetics to manipulate ABN activity during REM sleep and showed that reactivation of ABNs during sleep consolidates memory.