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Scientists identify beetle that triggers production of red propolis in Brazil
Publicado em 27 maio 2022
Jairo Kenupp Bastos first heard about the insect while visiting Canavieiras on the south coast of Bahia, a state in the Northeast of Brazil. Local beekeepers told me about a tiny beetle that made holes in a plant called Dalbergia ecastaphyllum [Coinvine]a member of the pea family, and that the holes leaked a resin used by bees to make red propolis, “said Bastos, a professor of pharmacognosy (the study of drugs isolated from natural sources, such as plants, animals and minerals) at the [...]
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Even mild or moderate COVID-19 can affect the cardiovascular system in young adults, study shows
Publicado emA study conducted at São Paulo State University (UNESP) in Brazil shows that even mild to moderate infection by SARS-CoV-2 can cause an imbalance in the cardiovascular system of young adults without pre-existing diseases. The researchers also concluded that both obesity and a low level of physical activity are key factors in post-COVID that help alter the autonomic nervous system, which regulates such vital functions as blood pressure, heart rate and breathing. A study conducted at [...]ver notícia -
Study proposes to involve high school students in mapping natural disaster hazards and impact prevention
Publicado emSeveral natural disasters have afflicted various parts of Brazil since 2022 began, from deadly flooding and mudslides due to abnormally heavy rain in the states of Minas Gerais, Bahia, Rio de Janeiro and São Paulo, to severe drought in Rio Grande do Sul state. However, only 6.1% of its 5,568 municipalities have plans of any kind to mitigate the risk and impact of such disasters, according to a survey by IBGE, the national census and statistics bureau. An article published in the [...]ver notícia -
Mapping of exposed water tanks and swimming pools based on aerial images can help control dengue
Publicado emBrazilian researchers have developed a computer program that locates swimming pools and rooftop water tanks in aerial photographs with the aid of artificial intelligence to help identify vulnerable areas to infestation by Aedes aegyptithe mosquito that transmits dengue, zika, chikungunya and yellow fever. The innovation, which can also be used as a public policy tool for dynamic socio-economic mapping of urban areas, resulted from research and development work by professionals at the [...]ver notícia -
Deforestation And Climate Change Threaten Brazil’s New Agricultural Frontier
Publicado emDeforestation for agribusiness expansion in Brazil, in conjunction with climate change, has worsened the already severe drought suffered in the last decade by the transition zone between the eastern Amazon and the Cerrado, the vast tropical savanna ecoregion in central and western Brazil. This combination of trends endangers the stability of the biomes concerned and constitutes a risk to food production in the region known as MaToPiBa, a portmanteau of Maranhão, Tocantins, [...]ver notícia -
Vaccination has changed the profile of hospitalized COVID-19 patients and those who die from the disease
Publicado em 24 fevereiro 2022Vaccination has changed the profile of hospitalized COVID-19 patients and people who die from the disease in Brazil. A study conducted in São José do Rio Preto, in the state of São Paulo, Brazil, reports on the start of this process. Researchers affiliated with the Virology Laboratory at São José do Rio Preto Medical School (FAMERP) retrospectively analyzed data for 2,777 patients treated between January 5 and September 12, 2021, at the region’s base [...]ver notícia