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Researchers from USP (University of São Paulo) synthesized a peptide – molecules composed of amino acids linked together – inspired by the natural receptor of the SARS-CoV-2 virus, the coronavirus, in human cells, the ACE2 protein. The molecule was shown to be capable of protecting human lung cells from infection in tests in vitro. Additionally, it treated inflammation caused by the virus in mice susceptible to COVID-19. These results were published in magazine Antiviral [...]

The epidemic is caused by a new variant of the OROV arbovirus capable of replicating up to 100 times more than the original Cases of oropouche fever increased almost 200-fold in 2024 compared to the previous 10 years. Preliminary data published by Brazilian researchers show that the pathogen has undergone changes that have made it more aggressive, contributing to the resurgence of the disease in Brazil from 2023 to 2024. The current epidemic is caused by a new variant of the OROV [...]

Studies show that the application of nanopesticides can be more effective compared to conventional pesticides A more effective and sustainable insecticide was developed by Embrapa Meio Ambiente (SP) in partnership with the Chemistry Institute of Unicamp (State University of Campinas). The work resulted in a controlled release system for the insecticide thiamethoxam. The encapsulation was carried out in polymeric nanomicelles, structures smaller than one billionth of a meter, or [...]

A study of the Imperial College London, in the United Kingdom, released this Monday (June 3, 2024) showed that the rains in Rio Grande do Sul were intensified by climate change. Researchers also pointed to the El Niño phenomenon and infrastructure failures as culprits for the floods that have hit the state since the beginning of May. Researchers from Brazil, the United Kingdom, Sweden, the Netherlands and the United States reported that global warming caused accumulated precipitation [...]

A study carried out in 500 homes in the municipality of Altamira, in Pará, reveals that 61% of them suffer from the problem The socio-environmental impact caused by the Belo Monte hydroelectric plant, in Pará, has already been classified as a “disaster” by researchers, environmentalists and different media outlets. The damage was highlighted again recently in inspection report produced by Ibama (Brazilian Institute of the Environment and Renewable Natural [...]

Study published in March in the magazine Communications Earth & Environment points out that inflationary pressure on food in the world could reach 3.2% per year until 2035 due to the global increase in temperatures and heat waves. General inflation could be 1.18% annually, taking other products into account. Price increases are just some of the economic impacts expected due to climate change, concluded experts present at the edition most recent of the ILP-FAPESP Science and Innovation [...]

There is no mosquito-transmitted viral infection in the world that spreads faster than dengue, a serious public health problem in more than 100 countries. According to the WHO, 40% of the world's population is at risk from infection with this tropical disease, which is increasingly capable of spreading in the territories where it was endemic but also in the new ones it is colonizing. While Central America, South America and Southeast Asia concentrate by far the highest viral load, in recent [...]

The general director of Oops (Pan American Health Organization), Jarbas Barbosa, said this Thursday (28.mar.2024) that the vaccination strategy to combat dengue fever could take up to 8 years to effectively reduce the transmission of the disease amid epidemics such as currently faced in the Americas. “It is important to highlight that the vaccine that is available is a two-dose vaccine and requires 3 months between one dose and another. In other words, the vaccine is not a tool to [...]

The president Luiz Inácio Lula da Silva (PT) participates in a dinner this Friday night (22 March 2024) at the home of the Navy commander, Admiral Marcos Sampaio Olsen, in Brasília. The Ministers of Defense, José Múcio, and Secom (Secretariat of Social Communication), Paulo Pimenta also participate. The dinner takes place the week before the launch of the Tonelero submarine into the sea. On Tuesday (27th March), Lula and the President of France, Emmanuel Macron, [...]