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Photolab

Distinctive mustache

Parrot snake from the Cerrado distinguished by markings that resemble a black mustache

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Research itineraries

Biologist helps transform family farming in Mato Grosso do Sul

Mara Mussury conducts outreach projects in Itamarati, one of the largest land reform settlements in Latin America

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Retrospect

The foundations of modern archaeology in Brazil

Sixty years ago, a Brazilian program supported by American experts improved the education of archaeologists and drove the discovery of ancient cultures across the country

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Obituary

Niède Guidon exalted and preserved rock art sites in Serra da Capivara, in the state of Piauí

The archaeologist's work led to the creation of a park in the interior of Piauí and further studies in the semiarid region

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Architecture

The challenge of preserving tile azulejos

Ceramic murals are found in buildings of different styles and periods, such as in Raio Que o Parta–style houses in Pará

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Anthropology

Brazilian initiatives mark the Decade of Indigenous Languages

Launch of the Kuikuro-Portuguese dictionary and documentation center seeks to strengthen linguistic rights of Indigenous peoples in Brazil

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Gender

10 years since Femicide Law came into force

Despite the legislation, which establishes a sentence of up to 40 years in prison, the crime continues to occur frequently in Brazil

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Innovation

New technologies to reduce water waste

Universities and companies invest in solutions for detecting leaks in water distribution networks

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Biotechnology

Gene editing accelerates cattle improvement

Calves with shorter hair represent the first uses of CRISPR in animal breeding

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Energy

Brazil begins development of nuclear microreactors

Electricity generation system under development in the country with the aim of serving isolated communities in place of diesel generators

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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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Data

Industry spending on R&D in 2022 and 2023

IBGE releases results of its 2023 Semiannual Innovation Survey (Semiannual Pintec)

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Good practices

Copy, paste, and embarrass yourself

Website lists almost a hundred scientific articles that contain phrases copied from ChatGPT queries

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Good practices

Somber details

The untold story of Black inmates who participated in a coercive malaria study

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Good practices

Historic punishment

Unprecedented punishment for Harvard behavioral scientist accused of falsifying data

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Funding

Support programs for innovative small businesses gain traction as R&D policy around the world

Inspired by the American model, these initiatives offer nonrepayable grants to small companies

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Ranking

New trends in trademark and patent registrations in Brazil in 2024

INPI list offers details of innovation activities

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Affirmative action policies

More Black people leading research groups in Brazil

More Black people leading research groups in Brazil

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Interview

Regional economics expert advocates for strengthening mid-sized cities in Brazil

Clelio Campolina Diniz was dean of UFMG and served as minister of science, technology & innovation

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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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Ecology

Marine animal conservation failures

Global study warns of declining marine animal populations

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Medicine

Another way to measure blood cholesterol

Combination of lipoprotein markers could more accurately assess heart disease risk

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Ethnobotany

A plant with many uses dating back 2,700 years

Wild rue was used 2,700 years ago as a medicine, to purify spaces, and for its psychoactive effects

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