Science

Immunology

Center in São Paulo will test modified immune cells to treat blood cancer in 81 patients

Goal is to fight leukemia and lymphoma resistant to chemo and radiotherapy

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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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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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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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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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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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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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Chronobiology

A surprising biological clock

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

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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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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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Public health

Precision for all

Genome information about the Brazilian population could democratize access to personalized treatments and reduce national health care costs

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Genomics

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

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Paleontology

Hell ant found in the Brazilian Northeast is the oldest in the world

Insect lived 113 million years ago and had a vertical jaw, unlike current species

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Epidemiology

Bacteria that causes leprosy was present in the Americas before the Europeans

Mycobacterium leprae, the main species, was brought over by the Europeans, but M. lepromatosis had already been on the continent for at least 1,000 years

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Biochemistry

First membranes may have laid the foundations for life on Earth

Study simulates primitive cell structures and advances understanding of the origin of life

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Physiology

Physical exercise reduces death of insulin-producing cells

Physical exercise reduces death of insulin-producing cells

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Public health

Number of scorpion stings increased by 154% in Brazil from 2014 to 2023

The Southeast and Northeast regions were where the highest numbers of cases occurred

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Immunology

Vaccines protect the immunocompromised against severe forms of COVID-19

Immune cells that fight the virus compensate for failure to produce antibodies

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Geosciences

Landslide scars and shallower rivers increase Rio Grande do Sul’s vulnerability to rainfall

Millions of tons of sediment were carried from the state’s hills into its waterways

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Cover

Cuts to US science budgets threaten global climate research

Discontinuation of NASA and NOAA projects monitoring the atmosphere and oceans for decades poses a major risk

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Cover

Brazil’s carbon footprint determined by deforestation and agriculture

The two sectors account for 70% of the country’s greenhouse gases emissions

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Interview

José Roque: Physicist talks about the Sirius accelerator and Brazil’s first maximum biosafety level laboratory

Director-General of the Brazilian Center for Research in Energy and Materials (CNPEM) won the 2025 Admiral Álvaro Alberto Award

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Astrophysics

Simulation suggests that Mercury formed from a glancing collision with a body of similar mass

Impact would have ripped away part of the planet's mass and shaped its current geological composition

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Agriculture

Farming technique of the Wauja people in Alto Xingu increases cassava diversity

Wauja agriculture can help recover crops that have suffered from genetic erosion

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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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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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Astrophysics

Far reaches of the Solar System could be home to another planet

Study suggests the existence of a new world with a mass 7.5 times greater than Earth

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Physics

Advances in experiments manipulating interactions between acoustic and light waves

Control of the interactions between phonons and photons could be used to develop more refined lasers and facilitate quantum information processing

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