A recent study published in Nature Communications suggests that deforestation could lead to a significant rise in global temperatures if not addressed. The research, led by Paulo Artaxo, used computer modeling and found that the loss of tropical forests would intensify global warming by 0.8°C on average.
A study of six countries found that young men, ethnic minorities, and people living in socioeconomically disadvantaged areas are more likely to experience first-episode psychosis. The study also showed that environmental factors play a crucial role in the variation of incidence rates across urban and rural areas.
Researchers detected yellow fever virus in urine and semen samples from a patient who survived the disease almost a month after infection. The discovery suggests the virus may be contagious for a period longer than previously thought, potentially allowing asymptomatic individuals to transmit the disease.
A study identified 149 variants in 22 genes, classifying them as pathogenic or likely pathogenic, and found NPHS2 was the most common mutated gene. The researchers hope to understand the correlation between genotype and phenotype to improve diagnosis and treatment for patients with nephrotic syndrome.
A Brazilian study found that silky anteaters are comprised of at least seven different species, contrary to the long-held assumption of a single species. Genetic analysis and geometric morphometrics revealed distinct differences in DNA and morphology among the six newly identified species.
Researchers compared the conditions on Europa with those of a terrestrial environment, finding similarities with a deep subterranean mine where bacteria survive without sunlight. They propose that radioactivity in Europa's crust could lead to chemical imbalances and potentially support life.
A study in São Paulo found that mosquitoes that transmit diseases are adapting to urban environments, thriving in smaller green spaces where other species disappear. The research highlights the need for further study on how habitat loss affects vector insects and disease transmission.
Researchers found that Zika virus infection causes death of glioblastoma cells, a common and aggressive type of brain tumor. The study suggests that genetically modifying Zika virus to produce the digoxin molecule could be an alternative treatment for glioblastoma.
Researchers developed mathematical models to analyze the connections between pest patterns of dispersal in crops and diversified intercropping systems. The models showed that spatial configurations can favor or inhibit pest dispersal, and identified the best refuge configuration to delay Bt crop resistance in pests.
Researchers isolated two proteins from rattlesnake venom, phospholipase and crotapotin, which showed promising antiviral activity against the hepatitis C virus. These findings offer a new approach to combat this infectious disease.
Researchers have identified a pheromone from the Asian citrus psyllid that transmits citrus greening disease. The discovery enables the synthesis of the substance and use in traps to lure and kill the insect, reducing HLB incidence.
A Brazilian startup has developed an AI-powered pest control system that uses IoT technology to help farmers apply agrochemicals at the right time and in the right amount. The system, which integrates integrated pest management techniques with machine learning algorithms, is expected to increase efficiency and reduce environmental impact.
Researchers found that genes in neural progenitor cells of affected babies were more active or less active in key signaling pathways, contributing to the development of congenital Zika syndrome. The study used twins and induced pluripotent stem cell technology to replicate the virus's effects in vitro.
A study published in Science reveals that ultrafine aerosol particles can intensify rainfall in the Amazon region by enhancing cloud formation and thunderstorms. The presence of these nanoparticles, which are too small to play a significant role in polluted areas, has a substantial impact on the hydrologic cycle in the Amazon.
Scientists from Brazil and Senegal discovered the gene responsible for the mild effects of West Nile lineage 8, which could be used to develop a vaccine against more virulent lineages. The researchers found that the substitution P122S induces mutations linked to low replication rates, making it an ideal candidate for a vaccine.
A Brazilian researcher's study has elucidated the conditions necessary for self-sustaining nuclear fusion in tokamaks. The findings provide crucial information for the successful operation of ITER, a fusion reactor prototype designed to reproduce the sun's energy generation process.
A Brazilian startup has developed a porous silica magnetic microparticle that can selectively adsorb different molecules, allowing for efficient purification of substances in various industries. This technology reduces production costs by skipping filtration or centrifugation stages, resulting in lower costs and shorter production times.
Researchers have identified 52 microRNAs that are decreased in expression as thyroid cancer becomes more aggressive. Restoring these molecules' levels in tumors may be a novel treatment strategy.
Researchers from Brazil, China, and Italy developed a model to map the phases of coesite formation, a polymorph of silica that occurs under high pressure. The study uses atomic computer simulation to describe the interactions among atoms and the transformations resulting from pressure changes.
Developed in Brazil, the device measures temperatures in a wide band between 80-750 kelvin using spectroscopy and has applications in manufacturing and biological processes. It can be used in electronic equipment identification and detection of viral or bacterial infections.
A Brazilian research team discovered a cellular signaling pathway involved in both the immune response to Zika and neurogenesis, a process of new neuron formation. The study found that peptides from the renin-angiotensin system played a key role in this pathway.
DEV Tecnologia's product, DEV FieldConnect, connects machinery and equipment to the internet, enabling online performance monitoring. The device has been successfully tested in a chemical-solvent-recycling machine and is expected to be well-received by the market, especially in Brazil.
Researchers at UNICAMP developed a new method to increase the resolution of proteomic analysis by mass spectrometry, identifying 10,390 proteins expressed in oligodendrocytes. This improved resolution enables the study of previously undetectable proteins, potentially leading to novel therapeutic approaches for schizophrenia.
A Brazilian startup has developed a smartphone app that uses computer vision and artificial intelligence to identify animals. The 'Crowdpet' app combines photos of lost animals registered by owners with snaps of animals found in the street by volunteers, achieving a 99% success rate in distinguishing cats and dogs.
Researchers Ana María Valencia García and Marília Junqueira Caldas resolved a longstanding controversy about the calculation of defect electronic structures in graphene. They used a hybrid functional method, which yielded results compatible with experimental data, resolving divergences between different simulation methods.
Brazilian researcher develops innovative method of laser welding at high temperatures to enhance properties of AHS steel, improving formability and collision resilience. The technique produces bainitic structure, resulting in tough and reliable weld joints.
The project PoupeMais, developed by MGov Brasil, aims to educate 10,000 account holders in Brazil about healthy financial habits and reduce indebtedness. The startup uses SMS and reverse-charge calls to collect data and evaluate the impact of financial education messages on consumption decisions.
A recent study found that sepsis kills an alarming 55.7% of ICU patients, with Brazilian ICUs facing low bed availability and inadequate care contributing to the high mortality rate. Vaccination and simple hospital infection-control measures can prevent community- and healthcare-acquired sepsis.
Researchers discovered a new species of freshwater fish, Hyphessobrycon myrmex, with distinct color patterns between males and females. The study found 109 species of Characiformes exhibit dichromatism, including six families where it appears in behavior.
Researchers studied a nanometric circuit exhibiting quantum effects due to its small scale, revealing how electrons can transit directly or via a cavity, leading to peaks and troughs in conductance values. The study provides a natural explanation for observed phenomena, shedding light on the behavior of electrons in such circuits.
Pebay's platform provides comparative analysis of cash flow, returns, and investor moves for over 500 Brazilian private equity funds. The platform offers financial performance metrics and decision-support data to help fund managers make informed investment decisions.
Researchers at the University of São Paulo and San Diego State University found that niobium boride does not exhibit superconductivity, contrary to traditional manuals. Instead, pure niobium filaments in the material are responsible for its high-temperature superconducting properties.
Researchers found seven genes with altered expression in melanoma patients, which could serve as biomarkers for diagnosis and therapeutic targets. The synthetic compound DM-1 induces cell death by increasing the expression of TOP-1 and ADK genes.
Researchers have discovered that visible light causes damage to skin cells, which is not blocked by conventional sunscreens. A colored sunscreen developed using nanoparticles coated with melanin provides protection against UVA, UVB and visible light.
A survey of over 6,000 Brazilian teenagers found that parental attention and responsiveness can significantly reduce the risk of drug abuse in adolescence. The study also revealed that well-off students are more likely to engage in binge drinking and polydrug use.
A new study by Brazilian researchers resolves the 'fundamental paradox of stellar dynamics', describing galaxy clusters' violent relaxation as displaying unique behavior with entropy oscillation. Entropy increases at the end of the process, but fluctuates in the initial stage, contrary to conventional understanding.
Research shows that longer stays in the neonatal ICU are linked to behavioral problems and impaired emotional regulation in preterm babies. The study highlights the importance of developmental care programs to reduce stressful experiences and promote protective strategies during early development.
The Meta Planning Engine system detects changes in demand and uses multiple algorithms to find the best solution for traffic management. It provides flexibility and adaptability, allowing the software to choose the optimal algorithm for each situation.
A study suggests that expanding sugarcane cultivation in Brazil for ethanol production could reduce global carbon dioxide emissions by up to 5.6% by 2045, while replacing up to 13.7% of world crude oil consumption. The expansion of sugarcane cultivation is proposed in areas not under environmental protection or reserved for food produc...
Brazilian researcher Juliano Cesar Silva Neves challenges the standard cosmological model by proposing the elimination of the spacetime singularity and the possibility of a prior contraction phase. The current expansion may be preceded by contraction, with potential vestiges still present in the universe.
CVDVale's technology enables the use of ultrasonic drills without anesthesia in 70% of cases, allowing for faster and less painful dental procedures. The company's innovative approach to synthetic diamond production has also expanded its applications to orthopedic surgeries.
A new physical model proposes that most of Earth's water came from objects scattered into the inner Solar System by Jupiter's rapid growth. The model suggests that Jupiter's massive size and gravitational pull disturbed thousands of water-rich planetesimals, delivering them to the region currently occupied by Earth's orbit.
A team of Brazilian astronomers observed a unique binary system consisting of a low-mass white dwarf and a brown dwarf. The white dwarf's existence was cut off due to the loss of matter caused by the companion, resulting in its premature death and transformation into a white dwarf.
Researchers in Brazil and the Netherlands explore using single-cell algae to remove pollutants from sewage waste, producing large amounts of biomass for composting. The decentralized system could enable small communities to treat their own black water, reducing the need for industrial-scale fertilizers.
Researchers from Brazil and France identify a new target for developing antibiotics against highly resistant bacteria, inhibiting the interaction of two key proteins involved in cell wall elongation. The discovery paves the way for the development of antibiotics with a different action mechanism, offering hope in combating drug-resista...
A new Brazilian study found that pregnant women with confirmed Zika diagnosis should be tested multiple times due to the intermittent presence of the virus in their urine. The study detected Zika virus in some women's urine for up to seven months after previous tests indicated a non-existent viral load.
Researchers found five native Brazilian fruits, such as araçá-piranga, to contain bioactive properties like blueberries and strawberries. The study suggests these fruits could combat free radicals and chronic inflammation, potentially preventing diseases like diabetes, cancer, and Alzheimer's.
Mice subjected to a calorie-restricted diet experienced improved skin and hair health, including increased fur production and reduced body fat. Skin vascularization also changed, with more blood vessels and increased blood flow to skin cells.
A recent study found that populations of Plasmodium vivax in the Americas are as genetically diverse as those in Southeast Asia, contradicting previous assumptions. The research suggests that P. vivax may have originated from Africa, Europe, and Asia, and its genetic diversity was retained upon arrival in the Americas.
I_Systems' advanced control system Leaf enables companies to forecast consumption variations and optimize air flow and fuel intake, leading to cost savings. The technology has been successfully implemented by various customers in 25 industries, including Coca-Cola and Suzano Papel e Celulose.