Carlos Fioravanti, Yuri Vasconcelos and Kezia Stringhini

INTERVIEW

Virginia Ciminelli: Mining territories

UFMG hydrometallurgist argues that the benefits of exploiting natural resources should be better shared with local communities

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Geology

Mountains and volcanoes in the interior of Ceará

Mineral analysis used to reconstruct the landscape and movements of large blocks of rocks in the region around 600 million years ago

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OBITUARY

A naturalist among geologists

Setembrino Petri showed how microfossils can retell the history of natural landscapes

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OCEANOGRAPHY

Pollution, loss of biodiversity, invasive species, and the impacts of climate change

The marine and coastal environment in Brazil is undergoing intense degradation, demanding urgent action to alleviate problems that are piling up

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Agriculture

Now in its 50th year, EMBRAPA rethinks its strategies

The largest agricultural research center in Brazil seeks production methods that value environmental preservation

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Retrospect

Portrait of the rocks that shape the country

First geological map made solely by Brazilians, in 1940, conveys the country's effort to find oil

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Epidemiology

Mpox in children may signal infection risk in other population groups

One in every four people infected by Mpox in Sergipe is under 18 years of age

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Interview

Cid Bartolomeu de Araújo: The adventures of light

Physicist from Pernambuco explains phenomena that can be used to improve optical fibers, cell phones, new materials, and lasers

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RETROSPECT

The roots of hunger

Josué de Castro exposed the economic, social, and biological bases of chronic malnutrition

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INTERVIEW

Mercedes Bustamante: Before the water runs out

Biologist from the University of Brasília warns that deforestation in the Cerrado also harms other regions

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INTERVIEW

Carmino Antonio de Souza: The ways of healthcare

UNICAMP hematologist helps develop a plan to resume production of essential drugs, an imperative created by the COVID-19 pandemic

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RETROSPECT

Pasteur’s ideas in our daily lives

Born 200 years ago, the French chemist established the methods used to this day to prevent the transmission of infectious diseases

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Technology

Simplicity drives frugal innovation

Developed in collaboration with users, frugal innovation is becoming better known, leading to more efficient and cost-effective products

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RETROSPECT

The Amazon’s Treasure

In an eighteenth-century book, a Portuguese Jesuit shows empathy for Indigenous peoples and, as a naturalist, describes rivers, plants, and animals

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Environment

The trash trail to the sea

UN study names the Brazilian cities that dispose of the most plastic waste and the rivers that transport it

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Ecology

Vaccinating primates against yellow fever

Early trials suggest human vaccines are effective in wild primate species susceptible to the yellow fever virus

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RETROSPECT

The history of science through letters

Oswaldo Cruz’s correspondence reflects the communication among doctors and the formation of healthcare institutions in the early twentieth century

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INTERVIEW

Virgílio Almeida: A thinker of the digital world

Computer scientist warns of the risk that the internet and its digital tools will increase discrimination and social inequality

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SCIENTIFIC COOPERATION

Consolidated partnerships

Collaborations between Brazil and Portugal prioritize studies on new energies, particle physics, and the history of the two countries in the twentieth century

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Art

Selective memory

The director of the Paulista Museum at the beginning of the 20th century commissioned paintings to exclude depictions of popular participation in the fight for Brazil’s Independence

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geography

The surprises of old maps

Navy collection brought from Portugal in 1808 reveals cartographers and little-known phenomena

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SCIENTIFIC RESEARCH

Science to help build a nation

Museums, research institutions, maps, and surveys of natural resources grew in importance in the Brazilian Empire

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RETROSPECT

Buried wealth in Imperial Brazil

Wilhelm Eschwege conducted the first major survey of the country’s mineral wealth from 1811 to 1821

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Public health

Neglected viruses

Inattention to outbreaks in Africa and the end of smallpox vaccination are facilitating the spread of monkeypox, which recently arrived in Brazil

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Environment

The damaging effects of fire

Intense forest fires make plants less able to perform photosynthesis, hindering the recovery of native vegetation

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INTERVIEW

Carlos Roberto Ferreira Brandão: Living with ants

Biologist surveyed species in the Cerrado, the Atlantic Forest, and the Caatinga, as well as managing museums

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RETROSPECT

Modernism exposition

The Independence Centennial Exposition demonstrated Brazil’s desire to build an increasingly industrial economy, which would only begin to take shape ten years later

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RETROSPECT

Rio-92 consolidated environmental concepts

World conference 30 years ago expanded the international debate on environmental problems started in the late 1960s

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Brazil 200 years

Errors and accuracies on the path to Independence

Researchers from Museu Paulista correct details of the route taken by Dom Pedro on September 7, 1822

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DATA SCIENCE

The machines that make biology a science of huge numbers

DNA sequencers, recorders, drones, and other devices are increasingly being used to save time and shake up research methodologies

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