Suzel Tunes and Yuri Vasconcelos

MINING

What to do with the waste generated by mineral exploration

Mining companies, startups, and universities are looking for new ways to use waste produced during extraction processes

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Energy

Brazilian research center develops prototype nuclear battery

Device can generate energy for hundreds of years without needing to be recharged

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Interview

Marco Antonio Chamon: Busy years ahead for Brazil’s space program

The Brazilian Space Agency’s recently appointed president announces new international collaborations as he prepares for a flurry of rocket and satellite launches

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Interview

Siang Wun Song: Fast and powerful

The Chinese-Brazilian scientist is a pioneer in a field of research that aims to increase the processing capacity of computers and make them faster

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BIOTECHNOLOGY

A test of quality

A modified cardboard sensor with gold particles may help monitor the quality of water consumed by the population

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Cover

The path to sustainable hydrogen

Brazil begins producing the fuel, which is seen as key to the transition to a low-carbon economy

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BIOTECHNOLOGY

Modified cardboard sensor with gold particles could monitor water quality

The objective is for the public to use the device to check that the water supplied to their home is fit for consumption

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BIOTECHNOLOGY

Tilapia skin could be used to treat corneal injuries in dogs

Used as a bio-dressing, the collagen-rich material stimulates cell regeneration and accelerates healing

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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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Renewable energy

New buoy for measuring ocean winds

Brazilian scientists create essential device for installing wind farms at sea

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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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INTERVIEW

Rico Malvar: A Brazilian inventor at Microsoft

Author of more than 120 patents, the engineer from Rio de Janeiro ran the multinational company's main research laboratory and was their head scientist

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COVER

Focus on grazing and nutrition

Efficient pasture management and changes in livestock feeding strategies can reduce the impact on the global climate

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Low-carbon livestock

With more head of commercial cattle than any other country in the world, Brazil faces the challenge of reducing greenhouse gas emissions associated with this sector

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AGRICULTURE

Pesticides can affect the health of agricultural workers

With a rise in the use of pesticides in Brazil, rural workers are increasingly being exposed to short- and long-term health impacts

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BIOMEDICAL ENGINEERING

Device can help quickly diagnose heart attacks

Technological solution detects the presence of a cardiac muscle injury biomarker in the blood in minutes

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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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Interview

Osvaldo Catsumi Imamura: A secure device

The engineer who created the layered security framework for Brazil’s electronic voting machine explains why the system is trustworthy

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MECHATRONICS

Robots disinfect spaces with UV light

Artificially intelligent machines used to stop the spread of viruses, fungi, and bacteria

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OBITUARY

An internet visionary

Computer scientist Tadao Takahashi was one of the people responsible for implementing a national computer network in Brazil

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COVER

Brazil making efforts to reduce the carbon footprint of livestock

With more head of commercial cattle than any other country in the world, Brazil is striving to mitigate greenhouse gas emissions associated with cattle farming

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Pasture management and dietary changes make livestock more sustainable

Strategies with the potential to reduce the sector’s impact on Earth’s climate are already available to farmers

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The power of renewables

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

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Shortage risk

Historic drought exposes vulnerabilities in Brazil’s electricity system, which is heavily dependent on hydroelectric plants

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Interview

Marilda Sotomayor: A game thinker

Brazilian mathematician who worked with Nobel Prize-winning economists became a leading specialist in the highly applicable theory of matching markets

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Urban planning

3D favelas

How researchers are using laser scanning technology to digitally map informal settlements in Brazil

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COVID-19

Oxygen supply

Brazilian startups offer new ways of monitoring essential medical supplies for patients with respiratory failure

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Institute renowned for its pioneering spirit

Over the course of its history, INPE has become known for its important contributions to various scientific fields

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INPE under pressure

Brazil’s most important space research center celebrates its 60th anniversary with a reduced budget, research projects facing uncertain futures, and major challenges ahead

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