Highlights

Paleoecology

The Atlantic Forest in layers

Research on microalgae in southern São Paulo reveals how an old lake transformed into a swamp

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Data

São Paulo is Brazil’s main hub for knowledge-intensive activities

São Paulo remains Brazil’s main hub for knowledge-intensive activities

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Good practices

Scientific journals under heavy fire

American newspapers suffer budget cuts and threats from the federal government

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Good practices

Doctoral study set to investigate the operation and business models of paper mills

Doctoral study set to investigate the operation and business models of paper mills

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Good practices

English universities respond to new regulations on harassment and sexual violence against students

English universities respond to new regulations on harassment and sexual violence against students

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Integrity

USP creates Office of Research Integrity and Protection

New office tasked with preventing conflicts of interest and supporting entrepreneurial teachers

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Cybersecurity

Cyberattacks on universities and scientific institutions on the rise in Brazil

Attacks against the National Education and Research System increased by 56% between 2023 and 2024

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Scientific production

Researchers use artificial intelligence in scientific work

Researchers use artificial intelligence in scientific work

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Interview

Regina Macedo: Biologist reformulates view on bird behavior

São Paulo native from UnB who helped revise concepts about sexual selection in the tropics and cooperative breeding has dedicated herself to another passion since last year: painting

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Public health

Genome diversity could help SUS

Brazil’s national health system (SUS) could treat diseases more efficiently by making use of databases on ancestry and the wide variety embedded in Brazilian DNA

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Genomics

Brazilians are even more mixed-race than you think

New DNA sequencing of 2,723 people reveals greater Indigenous and African ancestry and highlights violence that marked the formation of the Brazilian population

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Mental health

Depression and anxiety among students

More than half of all students at Brazilian public universities show signs of depression and anxiety

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Physics

Rare form of helium abundant in the Sun

Solar Probe records highest ever observed concentration of rare isotope helium-3 in the Sun

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Food

Eating less meat reduces environmental impact

Red meat is incompatible with a sustainable diet due to high environmental impact

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New materials

Rigid and stretchy double network

Researchers develop synthetic metamaterial that combines seemingly incompatible properties

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