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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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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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Interview

Luiz Henrique Lopes dos Santos: The call of logic

A philosopher revisits his academic journey and reflects on more than 30 years working with research funding management at FAPESP

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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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Letter from the editor

The significance of populational diversity

When the major human genome sequencing projects began in the late 20th century, the belief was that the differences in the genetic composition of different individuals would be minimal. Therefore, to reach the goal of a complete reference genome, little attention was paid to the populational diversity in the samples to be sequenced. It turned... View Article

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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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