Climate change is increasing the frequency of highly toxic algal blooms off the US west coast, producing a neurotoxin that causes severe digestive and neurological symptoms. A new study found that extreme marine heatwaves are now 20 times more likely to occur than they would be without climate change.
A recent study found that divorcees experience poorer mental and physical health compared to the background population. Higher levels of conflict during the divorce process predict worse mental health outcomes regardless of other factors. Targeted interventions early in the process may help mitigate these effects.
A new study found that high national math achievement combined with societal pressures can lead to decreased enthusiasm for learning math among girls. Girls are more susceptible to this effect, highlighting the need for schools to promote both interest and achievement in mathematics.
A new study reveals that dolphins adjust their heart rate to suit the length of their planned dive, conserving oxygen and avoiding decompression sickness. This conscious adjustment allows them to safely dive for long periods, providing insights into marine mammal physiology.
Researchers analyzed seven Da Vinci drawings using Nanopore sequencing, finding a dominance of bacteria over fungi, with many exhibiting human or insect microbiomes. The study also identified human DNA, likely introduced by restoration workers, and correlations with geographical location.
A recent synthesis study has found that phytoplankton can bloom under Arctic sea ice, contrary to long-held assumptions. This discovery suggests that phytoplankton production in some regions of the Arctic Ocean may be an order of magnitude greater than previously predicted.
A global survey of over 22,000 researchers reveals concerns about the long-term impact of COVID-19 on funding, with 47% anticipating reduced funding in their area. The study highlights the need for a more holistic approach to problem-solving and investing in resilience.
Researchers found that solitary red mason bee females emerge with a mature circadian clock, allowing them to forage and care for offspring daily. In contrast, social honeybees have a delayed maturation of their internal clock, explaining their age-related behavioral shifts.
A study found that large-diameter trees in Pacific Northwest forests store 42% of the total above-ground carbon, while only accounting for 3% of the total number of trees. This highlights their crucial role in mitigating climate change and emphasizes the need to protect these trees.
The study reveals that fertile female helper beetles reproduce alongside their mother, the colony foundress, while non-fertile females focus on caring for the brood and fungus. A specialized fungus in the genus Raffaelea is the primary food source for larvae.
Researchers used EEG to study how music affects the brain's reward system, finding increased activity in regions involved in emotional processing, movement control, and auditory processing. Chills induced by favorite songs release dopamine, triggering a physiological response that indicates greater cortical connectivity.
The pandemic has created uncertainty among researchers about funding, with nearly half believing less funding will be available in the future. Despite this, scientific research has continued largely uninterrupted, with most respondents working on papers, research, or virtual teaching.
A new study reveals that decaying jellyfish blooms fuel the rapid growth of specific strains of seawater bacteria, keeping organic material within the water column food web. This process temporarily alters the food web, with bacteria consuming detritus and providing food for other marine animals.
New research suggests fin whales sing multiple different songs, which may be picked up by migrating individuals and spread to different parts of the ocean. This complex behavior provides new insights into how fin whale populations move and change over time.
Researchers found that newborns' immune systems activate soon after birth and increase key factors of innate immunity, including the complement system. This development is critical for protecting against pathogens in infancy, where infections are prevalent.
A new study published in Frontiers in Psychology found that cows are more relaxed when spoken to directly by a live human than when listening to a recorded voice. The researchers observed higher heart rate variability and lower heart rates after the live interaction, indicating improved mood.
A recent study on the 2011 Norwegian terrorist attacks found that family members experienced three distinct grief trajectories: moderate, chronic, and those with little to no recovery. High levels of grief were common among participants, with intrusive thoughts contributing to delayed recovery.
A recent study shows that robot swarms can follow instructions to create paintings, using a system where an artist selects areas of the canvas to be painted a certain color. The resulting images are abstract and pleasing to the eye, with unique areas of color flowing into each other.
The genus Iris, comprising over 300 species, has a poor fossil record, but researchers created a phylogeny to study evolutionary divergence. They found the last common ancestor of irises probably had purple flowers with a crest and spot on falls, pollinated by insects for nectar.
A study published in Frontiers in Neuroscience found that musically trained children outperform their non-trained peers in attention and working memory tasks. The research suggests two underlying mechanisms: domain-specific auditory encoding and domain-general attention control.
A new study found that people in Australia experienced twice as much depression and anxiety despite low COVID-19 rates. Financial stress and disruptions to social lives were key contributors to these outcomes.
Researchers analyzed crowdsourced data from over 800 people during COVID-19 lockdown and found that 55% of bad dreams had pandemic-specific content. AI-assisted analytics identified recurring themes, including failures in social distancing, coronavirus contagion, and dystopia.
A new tissue-transport device inspired by wasp egg-laying organs may enable minimally invasive surgery in previously hard-to-reach areas, reducing trauma and recovery time. The device uses friction forces to transport tissues, potentially overcoming challenges faced by current suction-based devices.
Researchers found viral sequences associated with choanozoans and picozoans, which were not linked to bacterial DNA, suggesting these protists eat viruses. The removal of viruses from the water could potentially reduce the number of viruses available to infect other organisms.
Researchers predict that Páramos ecosystems in the Andes will shrink substantially without conservation efforts, threatening biodiversity and human populations. The study focuses on Espeletia species, which are highly diverse and adapted to extreme conditions, but may not evolve fast enough to keep up with climate change.
A study published in Frontiers found that fathers who spend more time with their infants, have higher parenting self-efficacy, and provide greater material support experience lower rates of depressive symptoms. This early involvement is associated with increased feelings of competence and satisfaction as a parent.
A study by Dr. Cox's team reveals that radio-resistance in bacteria can be induced independently of desiccation, with complex genetic mutations and cellular metabolisms affected.
A study analyzing European Working Conditions Survey data found that men and women experience similar rates of anxiety due to job insecurity. Researchers attribute this similarity to trends towards gender egalitarianism in Europe.
Female whale sharks grow more slowly than males but eventually surpass them to reach an average adult length of 14 metres. The study found that only one pregnant whale shark had produced 300 young, highlighting the benefits of large size for female whales.
Researchers predict COVID-19 will follow seasonal patterns in temperate regions when herd immunity is attained. The virus will continue to circulate year-round until then.
A review highlights the potential of treating space travelers with treatments targeting the gut microbiome to protect against negative health effects. Promoting a healthy gut microbiome may be key to reaching Mars in one piece.
Researchers study fluid physics of marine snail movement, revealing distinct swimming patterns and shell shapes. The study could lead to the development of more efficient underwater vehicles.
A study found that reef manta rays live and travel long-term between two UNESCO World Heritage areas in Australia, visiting protected sites for over a decade. The research uses satellite tags and photographs to fill gaps in migratory patterns for this large species of rays.
A new study has shown that Zika virus can create a robust inflammatory environment in the placenta, leading to pathological changes and impact on fetal development. The findings provide valuable insights into mother-to-baby transmission of Zika virus and may lead to the development of detection methods and treatments.
Researchers found that thick aggregates of bacteria Deinococcus can provide sufficient protection for survival during several years in space. The study suggests that these aggregates could potentially survive travel between Earth and Mars, supporting the theory of panspermia.
Scientists have discovered an ancient gene family in Chlamydomonas algae that produces glycerol to protect against salt and cold stress in Antarctica. The gene family is necessary and sufficient for glycerol synthesis, suggesting its ancient origin and importance for survival in extreme environments.
Researchers at East Carolina University identify a highly diverse microbial community on a 1960s shipwreck, with iron-oxidizing bacteria contributing to biocorrosion. The study's findings highlight the need for tailored conservation efforts to address unique environmental factors and materials.
A new study reveals that plastic waste can release harmful chemicals into the stomach oil of seabirds like northern fulmars, potentially affecting their health over extended periods. The research highlights the importance of reducing plastic pollution in our oceans and dealing with waste responsibly.
Excessive nutrients from agricultural runoff and sewage contribute to algal blooms that deplete oxygen, killing marine life. Climate change amplifies these effects by increasing river runoff and ocean acidification, which harm corals and shellfish.
Researchers compared tear composition in birds, reptiles, and humans, discovering similar electrolyte levels but distinct crystal structures. The study's findings may lead to new insights into the evolution of tears across species and improved treatments for eye health.
The study shows that reopening a business is feasible only if stringent safety measures are taken, including frequent hand washing, routine sanitation, social distancing, and monitoring body temperature. The model estimates that these measures can increase net profit under certain assumptions.
Researchers from Northwestern University used a crowd-sourced platform to analyze seismic recordings and found that citizen scientists can classify earthquakes with 85% accuracy, outperforming machine learning algorithms. Citizen scientists also successfully identified tectonic tremors, which AI could not do previously.
Researchers in Spain studied bird nests to understand how insects and parasites detect gas concentrations, finding a positive correlation between carbon dioxide and biting midges. The study also found that methane concentration was related to bacteria in nesting materials.
Researchers measured pollutants in stranded dolphins and whales to understand their impact on ocean life. The study found high levels of mercury and arsenic in some species, highlighting the need for marine mammal stranding response efforts.
A study on dairy cows' social grooming behavior found that cows form strong bonds through mutual cooperation and prefer individuals of similar age. Older cows groom more individuals, suggesting a 'peacemaker' role in the herd. These findings could inform innovative farm management strategies prioritizing cattle emotional and social needs.
A study published in Frontiers found that men's penile microbiota can predict with high accuracy whether their female partner will develop bacterial vaginosis. The researchers analyzed the microbiota of 168 Kenyan couples and found a direct correlation between the composition of a man's microbiome and the occurrence of BV in his female...
Research found that couples sleeping together exhibit increased rapid-eye movement (REM) sleep and synchronized sleep patterns, positively associated with relationship depth. This study suggests that sharing a bed may enhance REM sleep, leading to improved social interactions and reduced emotional stress.
Researchers propose that elevated pulse pressure in blood traveling to the brain can cause inflammation, oxidative stress, and cellular dysfunction, leading to brain damage and cognitive decline. The study suggests reducing elevated pulse pressure could prove synergistic with other therapeutic approaches to treat dementia.
During the early stages of the COVID-19 epidemic, researchers found a shift in the association between poverty and case numbers, with richer counties experiencing higher confirmed cases. In contrast, poorer counties saw disproportionately higher death rates, even after accounting for other factors.
A recent study found a strong relationship between social media use and prejudice against Chinese Americans, with women experiencing higher levels of realistic and symbolic threats. The study also revealed surprising political affiliations, with Democrats scoring higher than Republicans in perceiving Chinese Americans as a threat.