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Researchers have discovered a previously unidentified protein with antioxidant properties produced by Coxiella burnetii, a Gram-negative intracellular bacterium. This breakthrough suggests potential new treatments for autoimmune diseases and cancer. Researchers at the University of São Paulo, in collaboration with Australian colleagues, have discovered a unique bacterial protein capable of keeping human cells healthy even when the cells have a heavy bacterial burden. This breakthrough [...]

Surveys conducted in the Cerrado since the 1990s show falling biodiversity as the agricultural frontier advances in the vicinity of Emas National Park. Species with biotechnological potential are dwindling and even disappearing. At night in the Cerrado, Brazil’s savanna and second-largest biome, larvae of the click beetle Pyrearinus termitilluminans, which live in termite mounds, display green lanterns to capture prey attracted by the bright light. In more than 30 years of [...]

Deforestation in Indigenous Territories (ITs) in the Brazilian Amazon caused the emission of 96 million metric tons of carbon dioxide (CO 2) between 2013 and 2021, modifying the forest’s role as a carbon sink in these areas. Emissions in the last three years of the period (2019–21) accounted for 59%, reflecting intensification of the destruction. The data comes from a research project led by Brazilians and published in an article in Scientific Reports. The authors show that [...]

One potential application: Enhancing the sensitivity of atomic magnetometers used to measure the alpha waves emitted by the human brain. Scientists are increasingly seeking to discover more about quantum entanglement, which occurs when two or more systems are created or interact in such a manner that the quantum states of some cannot be described independently of the quantum states of the others. The systems are correlated, even when they are separated by a large distance. Interest in [...]

Two types of adipocytes (fat cells) were infected in the laboratory: one obtained from human stem cells isolated from subcutaneous tissue and the other differentiated from stem cells taken from visceral fatty tissue. Experiments show that visceral fat – fat around the liver, intestines, and other organs, considered a risk factor for cardiovascular disease, diabetes, and high blood pressure – contributes more to severe COVID-19 than subcutaneous fat (under the skin, as in [...]

Religion influences secondary school students’ understanding and acceptance of evolutionary theory, but social and cultural factors such as nationality, perceptions of science and household income are more influential, according to a study involving 5,500 Brazilian and Italian students aged 14-16. An article on the study is published in the journal PLOS ONE. The participants were asked to agree or disagree with a number of statements relating to Earth’s age, the [...]

The Pantanal represents 1.8% of Brazil’s total area, occupying 150,000 square kilometers in Mato Grosso and Mato Grosso do Sul states. With a mixture of floodable and non-floodable savannas, meadows, pastures and forests, the macro-region contains the world’s largest floodplain. Together with the Chaco region, which lies further south, the Pantanal is a complex of wetlands with ample biodiversity that provides cultural and ecosystem services to Brazil, Bolivia and Paraguay. As in [...]

A Brazilian study shows that the number of fires detected in the entire Amazon region between 2003 and 2020 was influenced more by uncontrolled human use of fire than by drought. According to the researchers, burning of vegetation to prepare areas for pasture and deforestation rather than extreme water deficits were the main cause of fire in most years with large numbers of fires. On average, pasture and other agricultural land accounted for 32% of annual burned areas in the Amazon, followed [...]

A significant reduction in childhood poverty could cut criminal convictions by almost a quarter, according to a study conducted in Brazil. An article on the study is published in Scientific Reports. The researchers used an innovative approach involving an analysis of 22 risk factors that affect human development and interviews with 1,905 children at two points—a first interview to form a baseline (mean age 10.3) and a follow-up interview seven years later (mean age 17.8). The [...]