Highlights

Communication

Researchers write books for children

Illustrated books with literary elements seek to spark scientific curiosity among children

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History

Art used in psychiatric treatments in Brazil since the nineteenth century

Art used in psychiatric treatments in Brazil since the nineteenth century

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Public administration

São Paulo State Audit Office turns 100 years old

Researchers explain the agency’s role and suggest ways to increase its efficiency

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Interview

Elisabete Fernandes: Transparency with radiation

Researcher explains how radioisotopes can help track products such as timber, meat, soybean, and coffee

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Water engineering

New device set to expand knowledge about Brazilian soils

Pioneering automated equipment that measures water permeability in soil will hit the market in 2025

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Space

Brazil starts creating national network of telescopes to monitor space debris

The objective is to monitor the millions of pieces of debris orbiting Earth that could damage satellites, rockets, and the safety of the planet

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Ecology

Soil and vegetation care restores the vitality of the Caatinga

Experiments suggest strategies for recovering native vegetation and increasing agricultural production in the semiarid Northeast

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Environment

Belo Monte Dam and drought cause the Volta Grande do Xingu region to dry up

Monitoring indicates that low water flow is preventing fish from reproducing and impeding the way of life of Indigenous people and riverside communities

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Archaeology

The Amazon revealed

Researchers meet with people from the rainforest to discuss how laser scanning can provide information about the region’s past and contribute to its future

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Interview

José Nelson Onuchic: Genetic structure modeler

Brazilian physicist who specializes in protein and DNA folding helped restore the genome of the woolly mammoth

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Immunology

How endometriosis worsens

Compounds released by immune cells stimulate lesion growth, which can be alleviated by migraine medications

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Neurology

Nuances of dementia

In Brazil, Alzheimer's disease is more common in White individuals, while cognitive decline of vascular origin is more frequent in Black individuals

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Data

Enrollment on engineering and computing courses

Data analysis sheds light on enrollment on engineering and computing courses

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Good practices

Citation amplification machine

Spanish university dean’s work retracted for fraud in scientific impact indicators

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Good practices

Ethical principles

New version of the Declaration of Helsinki influenced by the pandemic and scientific integrity

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