Highlights

History

New perspectives seek to broaden our understanding of the Paraguayan War

Studies investigate topics such as the recruitment of enslaved people, the role of women, and life in the camps

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Subsection

Informal miners join criminal factions in the Amazon

Study suggests that Pará is being used to legalize gold mined illegally in other states

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Geography

Study maps mining conflicts

Extraction of minerals needed for the energy transition aggravates disputes over land ownership and water access in Brazil

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Biotechnology

Plant-based proteins improve lab-grown meat

Agricultural waste could reduce costs and make meat grown from animal cells even more similar to conventional meat

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Environment

Good cultivation practices can reduce carbon emissions in the field

Good cultivation practices can reduce carbon emissions in the field

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Interview

Miguel de Barros: The sea swallowing the land

Sociologist from Guinea-Bissau discusses loss of arable land and rising food insecurity due to impact of climate change in West Africa

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Paleontology

Fossilized feces contain traces of parasites that can still infect animals

Fossilized feces contain traces of parasites that can still infect animals

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Crop Science

New cultivation techniques seek to curb the spread of citrus disease

Greening was one of the main causes of a 25% drop in yield in the last harvest

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Veterinary Science

Bird flu can be transmitted between mammals

Brazilian study suggests H5N1 virus has spread among sea lions in South America

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Immunology

Butantan vaccine candidate reduces the risk of severe dengue fever by 89%

The compound proved safe and prevented 67.3% of those immunized from developing symptoms of the disease

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Medicine

Aggressive variant of the Oropouche virus circulating in Brazil

New strain multiplies rapidly and could facilitate transmission

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Epidemiology

Suicide by drug overdose in Brazil has increased by 2.6 times in 20 years

Increase coincides with periods of domestic and global economic crisis

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Public Health

Vaccination rate for children under two on the rise since 2022

Experts attribute recovery to measures implemented at a municipal level and by other spheres of government

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Data

Drop in number of scientific articles published worldwide

Drop in number of scientific articles published worldwide

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Good practices

The calculating cat

Biologist reveals flaws in academic metrics by attributing fake studies and manipulated citations to his family pet

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