Highlights

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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