Technology

ENERGY

The race for perovskite solar cells

Brazilian research groups are helping to advance research on a promising class of materials for photovoltaic applications

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SUSTAINABILITY

The road to renewable fuel

In the global race to decarbonize the airline sector, Brazil could fulfill a leading role through the production of an alternative to fossil-based kerosene

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CHEMISTRY

Hydrogel pellets remove water from biodiesel

Reusable material emerges as an alternative for purifying biofuel

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BIOTECHNOLOGY

Scientists develop serum for Africanized bee venom

Scientists develop serum for Africanized bee venom

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CLIMATE CHANGE

How sponge cities can help prevent flooding

How sponge cities can help prevent flooding

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SCIENTIFIC COMMUNICATION

Researchers and students help improve Wikipedia entries

At least 35 universities in the country implemented undergraduate and communication projects with the online encyclopedia

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The challenge of understanding what animals feel

Strategies created to measure pain and try to decipher animals’ emotions

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Care and empathy for animals

Researchers from various disciplines investigate ways to reduce pain and improve the quality of life for species used or consumed by humans

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FARMING

Trees in pasture areas improve cattle herd productivity

Thermal comfort provided by shade makes cattle more productive and increases their ability to reproduce

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NANOTECHNOLOGY

Egg white increases adhesion of graphene to cotton threads

Group from Recife uses albumen from egg whites to attach plant-fiber coverings used in electronic clothing

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ENVIRONMENT

System captures CO2 from the atmosphere

The country's first system designed to remove carbon directly from the air is installed in Rio Grande do Sul

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ENVIRONMENT

Removing carbon from the atmosphere could help curb global warming

CO2 capture, use, and storage systems present an alternative way for Brazil to mitigate the effects of climate change

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CHEMISTRY

Mushrooms and biogas from brewery waste

Brewery waste used to produce biogas and feed mushrooms

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RETROSPECT

Revolt against the weighing scale

The implementation of the Decimal Metric System in Brazil caused a popular protest that was strongly repressed during the Brazilian Empire, 150 years ago

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OBITUARY

Without fear of contradiction

Newton da Costa earned international recognition for his revolutionary systems in the field of logic

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