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Geography

How maps became tools for claiming rights

Vulnerable communities and traditional peoples propose new forms of mapping

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Photolab

Constellation in the orchard

Microscopy image used to identify mite that transmits citrus leprosis

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Research itineraries

Educator created an initiative that has benefited 4,000 children in Paraíba

Patrícia Rosas grew up beside a garbage dump and had to walk over an hour to get to university

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Retrospect

Nina Rodrigues attempted to explain social inequalities through the lens of race

In the nineteenth century, the doctor from Maranhão adopted a theoretical approach that time has shown to be flawed

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Obituary

Versatile scientist Henrique Lins de Barros studied everything from magnetic bacteria to Santos-Dumont

The physicist, who died at age 78, also dedicated himself to science communication and the history of science

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Obituary

Amílcar Tanuri worked on the front lines against viral epidemics

Virologist from UFRJ (Federal University of Rio de Janeiro) devoted himself to fighting microorganisms, from HIV to Zika

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History

Days of struggle

Revolts in Brazil during the nineteenth century frightened the elite and intensified the repression of enslaved people

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Environment

Innovative solutions improve urban tree management

Three-dimensional root maps and AI platforms can guide pruning and ensure plant integrity

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Medicine

Brazilian researchers develop device that simulates lung and nodules

Aim is to make technology used to assess the performance of computed tomography scanners in the pulmonary region more accessible in Brazil

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Agricultural engineering

New raw materials diversifying ethanol production in Brazil

Brazil’s ethanol plants diversify production with corn, wheat, and sorghum

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Paleontology

Forest surrounded by desert 260 million years ago

An oasis in what is now Rio Grande do Sul may have protected plants and animals from arid climate during time of mass extinctions

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Anatomy

Brazilian neuroscientists map hidden brain connections

Thalamic commissures, now defined in detail, connect the cerebral cortex of one hemisphere to the thalamus of the opposing hemisphere

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Zoology

Arthropods use their large limbs to regulate heat

Beetles and crabs can use their horns, claws, and giant pincers to cool or warm their bodies

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Evolution

Some insects hide, others show off

International study highlights environmental situations in which it is better to camouflage or show warning coloration to escape predators

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Ethology

Animal culture up for conservation

Articles on behaviors such as the use of tools, food foraging techniques, and vocalization dialects among primates indicate the need for preservation

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Nobel

2025 Nobel Prize awarded to basic science that can lead to innovations

Surveillance cells of the immune system, quantum tunneling, and metal-organic frameworks won in the scientific categories, while the Economics prize recognized sustainable growth

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Data

Digitization advances in Brazilian industry

Data reveal that digitization is advancing in Brazilian industry

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Good practices

Identity theft

Fraudsters use email addresses linked to scientific institutions to manipulate article reviews

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Good practices

Honors revoked

Five Chinese researchers stripped of science awards after ethical violations

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Good practices

Biased view of scientific work

Journalists tend to favor articles from well-established journals they know well while overlooking articles from newer titles

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Interview

Physicist Luís Carlos Crispino discusses efforts to popularize science in the Amazon region

Researcher from UFPA (Federal University of Pará) won this year's José Reis Award for Science Communication

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Indicators

The parts and the whole

Network aims to produce comparable state-level metrics for science, technology, and innovation

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Cooperation

Scientific expeditions head into little-explored areas of the Amazon

Projects funded by Amazon+10 initiative seek to broaden understanding of social and biological diversity

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Interview

Ghanaian climatologist says poor countries need financial and technological support to tackle global warming

Nana Klutse visited Brazil in September and discussed the impacts of climate change already experienced by various nations, particularly in Africa

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Geography

How tourism affects climate change and vice versa

Although still little-studied in Brazil, the topic is beginning to attract the attention of researchers

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Ecology

Large trees consume and store more carbon

Throughout the Amazon basin, greenhouse gases are accelerating the growth of taller vegetation

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Interview

Ane Alencar: Climate change affects everyone

Geographer from Pará who specializes in forest fires says that environmental issues are not an ideology and need to be taken into account by everyone, regardless of their political beliefs

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Environment

In 30 years, COP has become the largest annual United Nations conference

Number of participants in the meeting has increased more than tenfold since the Berlin meeting in 1995

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Environment

What’s at stake in Belém

World leaders meet at COP30 in the Amazon to discuss how to reduce emissions, expand the use of clean energy, and secure funding for climate action

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Archaeology

World’s oldest mummies found in Asia

12,000-year-old mummies in Southeast Asia are even older than those found in Egypt

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