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ARCHAEOLOGY

In step

Thousands of years ago, Indigenous peoples made rock etchings beside dinosaur footprints in Paraíba, Brazil

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LINGUISTICS

Plural voices

Research into variants of Portuguese, sign and indigenous languages indicates linguistic diversity and prejudice in Brazil

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ENERGY

The race for perovskite solar cells

Brazilian research groups are helping to advance research on a promising class of materials for photovoltaic applications

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SUSTAINABILITY

The road to renewable fuel

In the global race to decarbonize the airline sector, Brazil could fulfill a leading role through the production of an alternative to fossil-based kerosene

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COMPUTING

Clear roads ahead

Five million large animals are killed on Brazilian highways every year, according to the Brazilian Center for Road Ecology

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CÉSAR LATTES, 100

A major contribution

Lattes on Mount Chacaltaya in Bolivia, where mesons were recorded in nuclear emulsions

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CÉSAR LATTES, 100

The physicist who saw a bigger picture

César Lattes' studies were based on experiments with cosmic rays and the use of accelerators in particle physics

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VIROLOGY

Mystery solved

Virus that causes chikungunya provokes inflammation in several organs, including the brain, and can lead to death

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ENVIRONMENT

The silent drama of the Pampas

In the past four decades, 30% of the biome’s native vegetation has been occupied by soybean cultivation and by planted eucalyptus forests

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INDICATORS

Research finding its way into society

A new survey reveals the extent to which research in São Paulo has shaped public policies around the world

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INTERVIEW

A sociological look at health

FIOCRUZ researcher emeritus created methodologies for investigating how violence affects the lives of specific groups, such as elderly individuals and police officers

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COOPERATION

Life below the forest canopy

The Amazon+10 Initiative unites researchers from 25 Brazilian states and abroad to raise awareness of the region's social and biological diversity

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Cover

Travel itinerary

The Tumucumaque Mountains National Park (PNMT) is isolated from urban areas, leaving the forest unaltered by human activity

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cover

The mysteries of giant Amazonian trees

In Amapá, the rainforest reaches heights unexpected of a neotropical zone and has yet to be explained

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LETTER FROM THE EDITOR

Tall trees and a small particle

It is highly unlikely that you have ever heard of the Tumucumaque Mountains National Park. Located in the states of Amapá and Pará at the northern border of Brazil, it is the largest national park in the country and the largest tropical forest in the world. This uninhabited tropical region has experienced the least human... View Article

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PHOTOLAB

Sea broccoli

Microscope image uses fluorescent antibodies to highlight the innervation of tentacles, which resemble broccoli

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RESEARCH ITINERARIES

Crossed paths

An advocate of the concept of One Health, veterinarian Nathalia Juocys embraced human medicine in her academic career

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RETROSPECT

The past dangers of receiving blood

Until early 20th century discoveries, transfusions depended essentially on luck

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OBITUARY

Against the tide

Critical thinking and confrontational style made for Maria da Conceição Tavares’s enduring influence on economics

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Literature

Eighteenth-century manuscript on Brazil’s gold cycle published in a bilingual edition

The poem, written by Basílio da Gama, describes aspects of the economic, political, and cultural life of the colony

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PSYCHOLOGY

Born 100 years ago, Carolina Bori was a prominent voice in Brazilian science

As the first woman to preside over the SBPC, the psychologist helped institutionalize her field in Brazil

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URBANISM

Only four Brazilian cities have completed urban noise maps

The maps are used to create control measures for noise pollution, which can cause cardiovascular problems and sleep disorders

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CHEMISTRY

Hydrogel pellets remove water from biodiesel

Reusable material emerges as an alternative for purifying biofuel

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BIOTECHNOLOGY

Scientists develop serum for Africanized bee venom

Scientists develop serum for Africanized bee venom

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GEOLOGY

Extinct rivers of the Northeast

Sedimentary rock layers indicate that waters descended from mountains in the region some 450 million years ago

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PALEONTOLOGY

Biomechanics used to infer how titanosaurs moved

Newly described species lived around 110 million years ago in what may have been the last land bridge between Brazil and Africa

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ARCHAEOGENETICS

Did diseases kill the Neanderthals?

Sequences detected in the genome of the extinct species represent the oldest documented human viral infections

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PUBLIC POLICY

Researchers aim to reduce bat deaths at wind farms

Thousands of animals die each year due to collisions or air pressure changes caused by turbine blades

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BOTANY

Orchids emerged in the Northern Hemisphere 83 million years ago

Plant DNA study suggests modern species have diversified in the tropics in the last five million years, especially in Central America

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