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Issue # 310 _ December 2021

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Cover

Shortage risk
Historic drought exposes vulnerabilities in Brazil’s electricity system, which is heavily dependent on hydroelectric plants By Yuri Vasconcelos
The power of renewables
Wind and solar energy expected to continue increasing their share in the power generation mix over the coming years By Yuri Vasconcelos

Interview

Gabriel Cohn: With rationality and justice as his compass

Sociologist reflects on his nearly half-century-long career and the challenges the current political climate pose for the human sciences By Glenda Mezarobba

 

Sections

Photolab

Editorial

Good practices

Data

Notes

Retrospect

Careers

Small Business Innovative Research (PIPE)

 

COVID-19

The quest for a Brazilian vaccine

Researchers are testing a range of technologies, but few initiatives will receive the funding needed for costly phase 3 clinical trials

By Gilberto Stam

Covid-19

In the spotlight

Brazil is one of the most referenced countries in publications about the disease

By Rodrigo de Oliveira Andrade

Indicators

Brazilian science attracting attention worldwide

List of 21 highly cited Brazilian researchers shows lines of investigation earning international recognition

By Fabrício Marques

Scientific communication

Clear, precise guidelines

FAPESP's open-access policy states that scientific articles must be freely available within 12 months of publication

By Fabrício Marques

Interview

Elisabeth Bik: On the trail of scientific fraud

A microbiologist talks about the challenges of detecting manipulated images in scientific papers, and receiving threats on social media

By Rodrigo de Oliveira Andrade

Physics

From metal to an insulator

Twisting a two-dimensional nanofilm allows an electric current to progressively pass through it

By Eduardo Geraque

Endocrinology

A delicate balance

Brazilian scientists have identified more pieces of the brain circuit that regulate hunger and satiety, as well as new potential targets for obesity treatment

By Ricardo Zorzetto

Environment

The growth of urban agriculture

Climate emergencies and pandemics reinforce the importance of agricultural production in cities, which accounts for 15% of the food grown worldwide

By Frances Jones

Health

Focus on the bacillus

Fast, portable, and sensitive, a new test could be a useful tool for preventing leprosy and helping with early diagnosis.

By Tiago Jokura

Public policy

A bridge to security

Communication efforts between academia and police organizations drive the search for solutions to officer-initiated violence

By Christina Queiroz

Public policy

Fine-tuned communication

Technological development favors urban safety and the fight against drug trafficking

By Christina Queiroz

Demographics

Discoveries about the past

Early demographic data show that 20% of households were headed by women in colonial Brazil

By Christina Queiroz

Linguistics

A neglected threat to ethnobotany

Study shows that language extinction could lead to incalculable losses of medicinal knowledge

By Danilo Albergaria
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