A study analyzing police homicide rates across 711 local departments finds that at least 1 in 3 police homicides are unnecessary and can be reduced without compromising officer safety.
The installation of small-scale irrigation systems in Mali improved agricultural productivity, reduced child malnutrition, and decreased local conflict. Long-term data shows a significant increase in rice yield and greenness around pump irrigation projects, providing critical support against climate change.
Researchers propose Vibrio natriegens as a low-cost host for plasmid engineering, enabling democratization of synthetic biology in education. The proposed platform enables ultra-scalable transformation and testing of new synthetic proteins with minimal equipment requirements.
A study finds that individuals with biomedical expertise are influential anti-vaccine advocates on Twitter, sharing misinformation and sowing doubt. The research highlights the need for public education, credential verification, and disciplinary actions against health professionals spreading false information.
Researchers developed a drug that targets the p17 protein to prevent brain damage after concussions. The treatment, LCL768, restores mitochondrial function and prevents secondary axonal degeneration in mouse models and human CTE cases.
Cliodynamics estimates that societies develop social complexity over 2,500 years on average, with common pathways in human social evolution. The study analyzed data from 370 polities using nine complexity characteristics.
Research found associations between prenatal substance exposure and neurobehavioral problems in children, but controlling for environment and genetics eliminated many links. Prenatal alcohol exposure was significantly correlated with sleep problems and mental health issues despite compensatory brain responses.
Researchers predict an increase in bad-actor AI attacks on mainstream communities by mid-2024, with AI tools being used to spread toxic content daily.
Researchers have developed an AI-enabled bio-logger that captures rare bird behaviors, including vigorous head shaking before flight and deep-sea mating rituals. The system uses outlier detection to identify unusual behaviors in real-time, providing valuable insights into animal biology and ecology.
Phages invest in sensing bacteria and phage abundance to choose between lytic and lysogenic life cycles. A 50% growth rate penalty allows lysogenic phages to outcompete those without sensory abilities.
The US East Coast is experiencing subsidence rates of up to 5 mm/year, affecting 2.1 million people and 867,000 properties. Rising groundwater extraction and sediment compaction are common causes, while some areas like the Chesapeake Bay experience differential subsidence, posing significant risks to structures.
A machine-learning enabled risk assessment model detects 72.8% of variants causing over 1,000 cases per million people within a week, increasing to 80.1% after two weeks. The model identifies key factors such as variant spike mutations and early infection trajectories.
Exposure to different types of particulate matter induces varying levels of gene expression and cell morphology changes in lung epithelial cells. Cadmium is found to be at least partially responsible for the differences in toxicity between mixes.
In a study, participants in groups that could share information contributed more than those who couldn't. Sharing info about low contributors increased future contributions among exposed players.
Researchers found that intense fires in the region were more likely caused by human activities like war than climate change. The study used sediment cores to analyze black carbon and soot deposits from Tianchi Lake, dating back 6,000 years.
The scientific community must create a flexible governance framework to ensure equity, prevent unintended consequences, and maximize positive impact. To achieve this, the authors suggest advancing AI infrastructure, democratizing access to research and outcomes.
Researchers are leveraging AI/ML to improve health outcomes, but human judgment is still crucial for model selection and data quality. Explainable AI can enhance transparency and acceptance in clinical practice.
A recent survey of Ukrainian civilians found that those who have been more victimized by Russian violence are more willing to resist, particularly in military combat. The study suggests that the Russian strategy of targeting civilians is unlikely to deter Ukrainian resistance and may even strengthen it.
The article proposes a way forward for cannabis research by acknowledging the history of discrimination and proposing actions to increase diversity and inclusion. The authors suggest passing equity-focused legislation, supporting scientists of color, and implementing inclusive recruitment practices.
A severe drought led to a surge in professional vertical skateboarding in Los Angeles, influenced by cultural, commercial, and environmental changes. The development of polyurethane wheels and sport-specific media contributed to the growth of the sport.
Researchers Kenneth J. Breslauer and George W. Breslauer investigate the concept of stability in both physical and political science, finding parallels between kinetic trapping and social metastability. They propose applying thermodynamic principles to analyze socio-political systems, revealing a continuity between nature and society.
Researchers analyzed a large database of languages to verify the relationship between climate and language sound. They found that languages around the equator tend to have higher sonority indexes, but some exceptions exist, such as Mesoamerica and Mainland Southeast Asia.
Daily low-intensity blue light exposure affects processes related to aging and circadian rhythms in fruit flies. The study found that blue light induced reprogramming of RNA and m6A modifications, which may damage neuronal function, particularly in eye and brain tissues.
A study by Ivan Smirnov and colleagues found that toxic comments on user talk pages lead to a reduction in editor activity, with newcomers being 1.8 times less likely to continue contributing. Toxicity may also contribute to the site's lack of diversity among Wikipedians.
Decades of relying on glyphosate for weed control has led to the development of resistance in multiple weed species, compromising its efficacy. However, combining post-emergence and pre-emergence herbicides can provide consistent weed control, highlighting the need for diverse management programs.
Smartphone usage patterns differ substantially between urban and rural populations, with urban users favoring social media platforms like Instagram and Twitter. In contrast, rural users tend to use Facebook and Snapchat, suggesting that environment influences smartphone behavior.
The global EV battery industry is projected to exceed 600 MtCO2eq in emissions by 2050, mainly due to energy-intensive mining and refining processes. Shifting to less CO2-intensive battery chemistries like LFP could reduce emissions by 20%.
Researchers found that carboxylic nanodiamonds blocked melanoma cells' ability to migrate and invade across membranes. Mice treated with these nanoparticles showed reduced or no tumor metastasis compared to untreated mice.
Recent US legislation aims to increase fire management and tree planting to reduce large destructive fires and promote carbon sequestration. Fuel reduction activities are projected to remove 194-288 million metric tons of carbon from western forests over the next decade.
Researchers have developed a novel photocatalyst system that enables the production of syngas from methane steam reforming under atmospheric pressure. The system harnesses sunlight to split methane and water into hydrogen and carbon monoxide, forming syngas.
Photovoltaic fields can mitigate climate change faster than afforestation by 50 times in semiarid land, while still offering benefits in humid lands. Forests provide additional ecosystem and social services beyond climate regulation.
Research by Clotilde Napp found that gender biases in language are stronger in more economically developed and individualistic countries. The study used natural language processing to analyze text corpora from over 70 countries, revealing a phenomenon known as the gender equality paradox.
Research identifies a genetic locus LHT1/MAC7 controlling long-term heat tolerance in Arabidopsis, involving precise mRNA splicing. The study found that mutations affecting MOS4-associated complex contribute to variation in heat tolerance and increased ER stress under long-term heat.
Researchers studied mountain goats' behavior in Glacier National Park, finding that ear flicks showed a strong correlation with the presence of snow. The lack of summer snow patches may increase their risk of local extirpation due to increased tick infestations.
Mitochondrial fragmentation is a key mechanism underlying ventilator-induced diaphragm dysfunction (VIDD), leading to excessive reactive oxygen species production and calcium homeostasis impairment. Blocking mitochondrial fission at the initiation of mechanical ventilation with a molecule like P110 could potentially prevent VIDD.
A method for assessing sustainability of wild-harvested plants is demonstrated on Nardostachys jatamansi, a critically endangered Himalayan perennial herb. The proposed process integrates ecological and trade data to estimate sustainability levels, suggesting cultivating-while-harvesting as an effective approach.
Researchers found that bisphenol A (BPA) inactivates microbial lipopolysaccharides (LPS), a key trigger for allergic asthma. This disruption increases susceptibility to asthma in mice, highlighting a potential link between BPA exposure and immune disorders.
Michele Starnini and colleagues studied two online communities on Reddit: GreatAwakening and FatPeopleHate. Despite deplatforming, these communities became more resilient due to their engaged members who migrated to Voat, a new platform.
Researchers used transcription factors to stimulate production of specialized steroids in petunia, which are likely involved in plant defense. The discovery has significant potential for bioproduction of bioactive natural products in various plant families.
Researchers developed a closed-loop anesthesia delivery system that continuously monitors brain waves and adjusts anesthetic medication dosage to maintain optimal unconsciousness levels. The system was tested in rhesus macaques, achieving stable levels for up to 18 hours.
A model reveals that corn farming in the US Midwest incurs significant health and environmental costs, with air pollution being a major contributor. Implementing alternative management practices can increase profits beyond these costs, but retiring land may be necessary for some counties.
Climate change is increasing wildfire risk, with fires in the Western US doubling in frequency between 1984 and 2015. Banana trees, when irrigated by recycled water, can produce high-value crops and act as a multifunctional fire buffer.
Research in Baltimore metropolitan area finds nitrogen-rich fertilizers on lawns contribute to algal blooms and deoxygenated waters. Many homeowners are unaware of the negative impact of their lawn care practices on local ecosystems.
Researchers develop a phase shift parameter to describe animal locomotion, combining forces of inertia, gravity, elasticity and viscosity into one dimensionless number. This new parameter predicts muscle activation patterns in a wide range of animals during locomotion.
Research links ribosomal protein genes to human depression, showing dysregulation under stress and reversibility during remission. The study suggests that ribosome dysfunction alters neural synapse function, leading to mood disorders.
A study finds that microplastics are transported out of seawater and into the air through small droplets called 'jet drops' ejected by bursting bubbles. The authors estimate that between 0.02 and 7.4 Mt of plastic is emitted by the world's seas each year, affecting global climate dynamics.
A study of Atlantic hurricanes found that people with lower socioeconomic status wait significantly longer for power to be restored after outages. The research suggests that investing in energy infrastructure and renewable energy may help mitigate the negative impacts of power outages on vulnerable communities.
The study reveals that applying cleansers or moisturizers to the skin can alter its state, activating mechanoreceptors and feeding information to the central nervous system. Strong correlations were found between physical stress on the stratum corneum and subjective reports of 'tightness' in surveys of thousands of participants.
A study surveyed over 4,500 laypeople and 700 professional fundraisers about acceptance of tainted donations. Respondents generally agreed that institutions should reject donations from criminals but accept those from morally ambiguous individuals.
Researchers identified a link between SARS-CoV-2 infection and Alzheimer's disease-like cognitive symptoms, triggered by Tau protein hyperphosphorylation. The study found increased Tau levels in infected cells, indicating pathological alterations to the protein.