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There are few places on Earth as isolated as Trindade island, a volcanic outcrop a three- to four-day boat trip off the coast of Brazil. So geologist Fernanda Avelar Santos was startled to find an unsettling sign of human impact on the otherwise untouched landscape: rocks formed from the glut of plastic pollution floating in the ocean. Santos first found the plastic rocks in 2019, when she traveled to the island to research her doctoral thesis on a completely different [...]

A swathe of the Amazon Rainforest almost twice the size of Luxembourg was destroyed by fire between 2003 and 2019. The area is in the southwest of Amazonas state, in Brazil’s North region, and includes parts of nine municipalities with some of the worst sustainable development indicators in the country. Deforestation had been... Full Article  

Despite similarities with other Neotropical biomes like the Caatinga (a mosaic of scrub with patches of seasonally dry forest in Northeast Brazil) and Cerrado (savanna in Central Brazil), the Gran Chaco, or simply Chaco, is globally unique. Located mainly in Bolivia and Argentina, with patches in Brazil and Paraguay, the region...

Heavy metals such as lead and cadmium are present in batteries, cosmetics, food and other things that are part of everyday life. They are toxic when they accumulate in the human organism, potentially causing several health problems, but detecting them in body fluids requires expensive equipment and a controlled laboratory... Full Article Eurasia Review

Researchers investigated the role of one cellular mechanism in improving physical fitness by exercise training and identified one anti-aging intervention that delayed the declines that occur with aging in the model organism. Together, the scientists' findings open the door to new strategies for promoting muscle function during aging. Full Article

Nature in Madagascar, an island off southeast Africa slightly larger than metropolitan France, is so unusual that 82% of its plant species and 90% of its vertebrates are endemic, only occurring there. Living amidst this unique biodiversity is a population so deprived that the country’s human development index (HDI) is one of the world’s lowest, posing the challenge of harmonizing conservation with economic and social development. A portrait of Madagascar’s biological riches [...]

For the first time, scientists at the Federal University of São Paulo (UNIFESP) in Brazil have shown that infection by SARS-CoV-2, the virus that causes COVID-19, changes the functioning of host cell RNA. They arrived at this conclusion by analyzing 13 datasets obtained during four studies of viral, human and animal cell... Full Article Eurasia Review

According to a study reported in the journal Urban Forestry & Urban Greening, the factors that most influence and increase the risk of tree failure in São Paulo (the capital of São Paulo state in Brazil) are the height of nearby buildings and the age of the neighborhood. Sidewalk width and tree height are the next most...

Newswise — Several factors increase the risk of heart attack, such as high blood sugar (hyperglycemia), obesity, abnormal cholesterol levels, high blood pressure (hypertension), and smoking. A study conducted in Brazil and reported in an article published in the journal PLOS ONE measured the impact of these factors. The researchers analyzed data for the Brazilian population collected between 2005 and 2017, determining the number of deaths attributed to each risk factor. The aim of the [...]