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
The power of renewables
Wind and solar energy expected to continue increasing their share in the power generation mix over the coming years By

 

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

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Covid-19

In the spotlight

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

By

Indicators

Brazilian science attracting attention worldwide

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

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Scientific communication

Clear, precise guidelines

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

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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

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Physics

From metal to an insulator

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

By

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

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

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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.

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Public policy

A bridge to security

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

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Public policy

Fine-tuned communication

Technological development favors urban safety and the fight against drug trafficking

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Demographics

Discoveries about the past

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

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Linguistics

A neglected threat to ethnobotany

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

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