International issue | December 2025

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Cover

European father, African or Indigenous mother
DNA sequencing of 2,723 Brazilians reveals a violent legacy behind the interracial mixing that shaped the Brazilian people By
Precision for all
Genome information about the Brazilian population could democratize access to personalized treatments and reduce national health care costs By

 

Innovation

Linking universities and businesses

Survey maps activities at 240 academic laboratories to understand how they interact with the industrial sector

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Psychology

Good ball skills and reasoning

Players from elite Brazilian soccer teams present better memory, planning ability, and mental versatility than nonathletes of the same age do

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Physiology

Challenging beliefs

Blood vessels, not just nerves, release compounds that modulate heart rate and blood pressure

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Chronobiology

A surprising biological clock

Cyanobacteria live for approximately one day but can prepare themselves for seasonal changes

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Agriculture

Native cassava farming

Farming by the Wauja people in Alto Xingu increases plant diversity and can help recover crops that have experienced genetic erosion

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Atmospheric chemistry

From the forest to the air

Gas emitted by trees in Amazonia increases the production of condensation nuclei, the origin of clouds, by 100 times

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Climate change

Triple suffocation in the ocean

Compound extreme events consisting of heatwaves, high acidification, and chlorophyll scarcity have become frequent in the South Atlantic since 2009

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Physics

The light of sound

Controlling interactions between photons and phonons could generate more refined lasers and facilitate quantum information processing

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Healthcare

Microwaves to hunt tumors

New generation of imaging systems will avoid the breast compression and radiation of traditional mammography

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Agronomy

In-depth field insight

Drone-based radar facilitates crop monitoring, soil analysis, and the identification of underground mineral deposits, anthills, and bones

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Space engineering

To locate people lost at sea

A nanosatellite developed in Brazil is designed to help rescue small boats during maritime emergencies

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Literature

A national voice

New studies revisit the legacy of Jorge Amado, revealing an author deeply engaged with racial, class, and gender issues

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Music

The bars of time

Research finds rarities and widens access to little-known musical archives

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