Veículo

• Home
• Veículos
• NewsBinding (EUA)

A study published this May in the journal Clinical Infectious Diseases suggests that people who have had dengue in the past are twice as likely to develop symptoms of COVID-19 if they are infected by the novel coronavirus. The findings of the study were based on an analysis of blood samples from 1,285 inhabitants of Mâncio Lima, a small town in the state of Acre, part of Brazil’s Amazon region. The principal investigator was Marcelo Urbano Ferreira, a professor at the University of [...]

A group of Brazilian and Portuguese researchers observed a correlation between the presence of lead in the organism and a microRNA (miRNA) that could be associated with the mechanisms that regulate DNA methylation, a physiological process required to control gene expression and ensure that genes function properly. The alterations were detected in blood cells from workers in automotive battery plants, which use lead as a raw material. Curiously, lead levels in blood samples from 85 [...]

Inclusion of soybean and linseed oils in the diet of dairy cows made the fatty acid content of their milk even healthier for human nutrition. It also increased the proportions of omega-6 and omega-3, which in the right balance play a key role in preventing cardiovascular diseases, for example, as well as chronic inflammation and some kinds of cancer. Cardiovascular diseases are one of the world’s main public health problems. In Brazil, they are among the foremost causes of death. Each [...]

White-sand savannas are expanding in the heart of the Amazon as a result of recurring forest fires, according to a study published in the journal Ecosystems. The study was supported by FAPESP, and conducted by Bernardo Monteiro Flores, currently a postdoctoral fellow in ecology at the Federal University of Santa Catarina (UFSC) in Brazil, and Milena Holmgren, a professor in the Department of Environmental Sciences at Wageningen University in the Netherlands. “The edges of the [...]

Analysis of the first super slow motion recordings of upward flashes suggests a possible explanation for the formation of luminous structures after electrical discharges split in the atmosphere. Researchers at Brazil’s National Space Research Institute (INPE), in partnership with colleagues in the United States, United Kingdom, and South Africa, have recorded for the first time the formation and branching of luminous structures by lightning strikes. Analyzing images captured by a super [...]

A group of researchers led by Brazilians has used an innovative model to map gaps in the Amazon rainforest and identify factors that contribute to tree mortality. Water stress, soil fertility, and anthropic forest degradation have the most influence on gap dynamics in the world’s largest and most biodiverse tropical rainforest, according to an article on the study published in Scientific Reports. Forest gaps are most frequent in the areas with the highest levels of soil [...]