Researchers observed dense networks of sponge spicules indicating mobility in Arctic sponges. The trails suggest the sponges may be searching for food or reproducing, with further studies needed to confirm the reasons behind this surprising behavior.
Scientists have successfully encoded a passage from Jane Austen's Mansfield Park in a series of oligomers, allowing for efficient information storage. The technique uses urethane-like plastics and enables dense data storage without DNA-based approaches.
Researchers equipped a Pepper robot with self-directed dialogue to facilitate better human-robot communication. The AI model improved the robot's ability to solve dilemmas and outperformed international standards for collaborative robots. By
Researchers found that certain gut microbes, specifically Asaia bogorensis, increase the risk of malaria parasite infection in mosquitoes by raising gut pH levels. Feeding mosquitoes a sugar diet promotes the proliferation of this bacterial species, which enhances parasite infection.
Scientists have successfully generated human-monkey chimeric embryos, allowing them to study human development and disease under in vivo conditions. The research has the potential to provide new insights into evolutionary barriers to chimera generation and improve model systems for studying human biology.
Researchers discovered spoked vertebrae in azhdarchid pterosaurs that supported their long necks, enabling them to fly with heavy prey. The internal structure was found to be helically arranged like bicycle wheel spokes.
After Hurricane Maria, rhesus macaques in Puerto Rico expanded their social networks and became more tolerant of other individuals. The animals formed new connections, resulting in a more tolerant society as a whole.
A recent study found that African elephants' actual range has shrunk to just 17% of its potential due to human pressures, including ivory killing. Despite this, the researchers suggest that elephants can still recover into areas with light human footprint for peaceful coexistence.
Children's gut microbiota largely reaches adult composition by five years, but important differences remain. Key bacterial taxa are acquired late in childhood and may affect health later in life.
Researchers found that octopuses alternate between an 'active sleep' stage and a 'quiet sleep' stage, characterized by dynamic color changes and muscular twitches. The findings suggest that octopuses may experience something akin to dreams during the 'active sleep' state.
A Chinese research team discovered that whiteflies use a plant gene to degrade common plant toxins, allowing them to feed on plants safely. The team developed a strategy to undo this superpower by creating a small RNA molecule that interferes with the whitefly's gene.
A recent study found that North American deserts are home to a high array of butterfly species due to the desert's changing conditions and mobile nature. This diversity is attributed to the butterflies' generalist behavior and lack of host plant specificity, making them less likely to cluster together.
Researchers surveyed 9,911 people in Germany and the US, finding that emphasizing urgency alone doesn't increase support for high-cost climate plans. However, giving context and communicating effective near-term solutions can boost support, particularly when politicians are transparent, engaging, and authentic.
Marine animals including green sea turtles, sharks, and penguins exhibit similar circling movements at constant speeds, defying efficiency. This behavior may aid navigation or detection of magnetic fields.
Researchers found that white blood cells quickly change their stiffness and viscosity in response to a threat, increasing up to ten times within minutes. This dramatic change occurs even before shape changes, suggesting an underlying physical mechanism with unique utility for each cell type.
Researchers have created stem-cell-derived organoids that can produce mature tear products, shedding light on the biology of crying and dry-eye disease. The organoids can be transplanted into mouse tear glands and form functional duct-like structures, revealing new insights into potential treatments for Sjögren's syndrome.
A new study suggests that environmental DNA can help better understand which grasses are the worst offenders for outdoor allergens. The research found substantial variability in airborne pollen from different grass species and identified a disproportionate influence of certain grasses on relevant health outcomes.
The Reforestation Hub is an interactive map that color-codes individual counties by reforestation opportunity, revealing a great deal of potential for restoration across the US. The tool identifies trends and quantifies land suitability for forest cover, providing valuable insights for foresters and policymakers.
Researchers at Jilin University developed a see-through glass display that transitions smoothly between a spectrum of colors when electrically charged. The technology harnesses interactions between metal ions and ligands, offering high white light contrast ratio and numerous applications.
The surging Bitcoin price is driving increasing energy consumption, with estimates suggesting the entire network could consume up to 184 TWh per year. This 'lock-in' effect means that even if the price crashes, energy consumption remains high, threatening international safety and exacerbating climate change.
Scientists have discovered two species of sea slugs that can regenerate their entire body, including the heart, after shedding their head. The slugs' unique ability to photosynthesize using chloroplasts from algae may help them survive long enough for regeneration.
Researchers found that frog lungs reduce sensitivity to environmental noise, making it easier for females to zero in on male calls. The unique sound pathway allows sounds from air-filled lungs to transmit to middle ears through a specific mechanism.
Researchers found that astrocytes from patients with bipolar disorder secrete more IL-6, which worsens symptoms and negatively impacts neuronal activity. The study highlights the potential role of astrocyte-mediated inflammatory signaling in psychiatric diseases.
Researchers analyzed ancient human DNA to understand the impact of tuberculosis on European populations. The study found that a specific variant of the TYK2 gene was associated with an increased risk of becoming ill after infection with Mycobacterium tuberculosis.
Researchers found that male superb lyrebirds create an acoustic illusion of a mobbing flock during courtship and copulation to trick females into staying with them. This complex behavior challenges traditional explanations of mimicry in biology, suggesting that elaborate bird songs can be driven by sexual conflict and deception.
A study analyzing 50 years of coral reef biodiversity research reveals widespread 'parachute science,' where international scientists conduct field studies without local engagement. The practice disproportionately affects lower-income countries, excluding host-nation scientists from authorship and limiting knowledge exchange.
A global study estimates that nature processes over 2 million cubic meters of human waste annually, equivalent to 41.7 million tons, in 48 cities containing about 82 million people. This natural process contributes significantly to sanitation services, worth approximately $4.4 billion per year.
The winners of the Cell Press and CST Rising Black Scientists Awards share their essays on creating a more inclusive scientific community. Olufolakemi Olusanya and Chrystal Starbird discuss their personal journeys, challenges, and hopes for contributing to a more equitable science.
Researchers found that individuals in REM sleep can interact with an experimenter and engage in real-time communication, comprehending questions, working-memory operations, and producing answers. This breakthrough sheds light on dreams, memory, and cognitive processes.
A study found that people with a loss-of-function variant of the ACTN3 gene, which lacks skeletal muscle protein α-actinin-3, have improved cold tolerance. This is due to increased muscle tone and a shift towards slow-twitch muscle fibers.
Domestic cats hunt less when owners feed them high-meat-content food and engage in play mimicking hunting. This reduces predation by 25%, with a 36% decrease seen in prey animals brought home to cat owners.
Researchers discovered that amphipods can close their claws in under 0.01% of a second, generating high-energy water jets and audible pops. The tiny creatures' fast movements defy physics laws, with potential applications for engineers and designers.
Researchers found that European free-tailed bats rely on orographic uplift and wind conditions to fly high and fast during nighttime forays. The bats' flight patterns show a predictable relationship with the landscape, using the same types of areas where winds sweep up a slope to carry them to high altitudes.
Harvard scientists engineered zebrafish with limb-like appendages through a single genetic mutation, revealing the beginning formation of limb structures and their potential to evolve from fins. The discovery sheds light on vertebrate evolution, fin-to-limb transition, and the complex structures that enable land movement.
The N439K mutation in the SARS-CoV-2 Spike protein confers resistance to serum antibodies and monoclonal antibodies, including those used in treatments. Researchers found that viruses with this mutation bind more strongly to the human ACE2 receptor, evading immunity while retaining infectivity.
A recent study reveals that increased manual dexterity in hominins emerged around 2 million years ago, significantly impacting the development of complex human culture. This finding suggests a crucial element underlying biocultural evolution.
Researchers found that newborn mice can recognize their mothers and prefer them over unfamiliar mothers, a preference that lasts into adulthood. The ability to form these memories is linked to the CA2 region of the hippocampus and is essential for long-lasting social interactions.
Researchers found that up to 25% of reported bee species are no longer being recorded globally, with declines in halictid and Melittidae families. The study suggests a trend of declining wild bee populations worldwide, highlighting the need for immediate action.
Researchers developed an AI that accurately identifies places with insufficient or out-of-service stations. The tool is particularly effective in micropolitan areas, where population growth may lead to infrastructure issues.
Researchers used obese Yucatan mini pigs to study airway flow during sleep apnea episodes. The study found naturally occurring sleep apnea in the pigs and that MRI scans can be used to gain new insights into airflow dynamics, with a 25% increase in airflow velocity through narrowest regions.
Researchers found that adding capsaicin to perovskite solar cells increases electron density and reduces nonradiative recombination, leading to more efficient and stable devices. The addition also promotes charge transport and suppresses heat losses.
Researchers discovered that invasive brown tree snakes on Guam can use a novel, lasso-like locomotion to climb smooth vertical cylinders. This new mode of locomotion has important implications for understanding the snakes and conservation practices aimed at protecting birds from them.
Cell Press launches a new initiative to promote inclusion and diversity in research, allowing authors to share their efforts in paper statements. The pilot program will track progress and provide data for benchmarking goals, aiming to increase diversity and monitor outcomes.
Ridesourcing companies Uber and Lyft's arrival in cities leads to a significant increase in vehicle ownership, with car registrations per capita rising by 0.7% on average. This effect is more pronounced in car-dependent cities and areas with higher income and fewer children, where transit use also decreases.
A remarkably preserved 57,000-year-old wolf pup named Zhùr has been uncovered in the Yukon, offering a unique window into the lives of ancient wolves. The mummy's genome analysis revealed that she was descended from wolves from Russia and Siberia, and her diet consisted mainly of aquatic resources like salmon.
A study analyzing Fitbit data and self-reported symptoms found that COVID-19 symptoms lasted longer and peaked later than those with the flu. The researchers also identified characteristic symptoms of COVID-19, such as shortness of breath and coughing, which were not present in individuals with the flu.
A 22-year study of red squirrels in the Yukon found that living near familiar neighbors increases survival and reproductive success. The benefits were especially pronounced in older squirrels, who could offset aging by maintaining all their neighbors.
Researchers uncover ancient elephant migration routes and habitats through shipwrecked ivory analysis, challenging previous expectations of African elephant distribution. The study provides insights into the impact of the ivory trade on elephant populations and offers potential for tracing illicit ivory sources.
Researchers discovered a unique evolutionary event in which an antibacterial enzyme in ticks protects them from bacteria on human skin while allowing the Borrelia burgdorferi bacterium to thrive. The ticks acquired this gene 40 million years ago through horizontal gene transfer.
A study published in American Journal of Human Genetics found that more than 7% of human oocytes have exchangeless chromosome pairs, indicating a high level of meiotic recombination failure. The research suggests that these errors are common and not affected by maternal age.