Technology

FARMING

Trees in pasture areas improve cattle herd productivity

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

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

By Felipe Floresti

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

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

BIOTECHNOLOGY

Transgenic goats, rabbits, and cows produce drugs for human use

By Carlos Fioravanti

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

By Suzel Tunes and Yuri Vasconcelos

AGRICULTURE

New environmental practices foster the creation of agricultural startups

Survey by EMBRAPA identifies growth of agricultural companies linked to sustainability, with a significant increase in the North of Brazil

By Sarah Schmidt

SPACE AGRICULTURE

Brazilian researchers investigate how to grow plants off Earth

The scientists want to contribute to a NASA program whose objective is to grow food for future colonies on the Moon and Mars

Energy

Compact device can reduce power outages

Company intends to increase the use of reclosers, which restore electrical current after short circuits in overhead cables

By Gilberto Stam

Aerospace engineering

A drone to explore other planets

Unmanned aerial vehicle is designed to fly on Mars and in inhospitable regions of Earth

Innovation

The challenge of period poverty

The inability to manage menstruation properly due to poverty causes significant social and economic hardship for millions of women globally

By Carolina Schwartz

Technology

Less polluting menstrual pads

Decomposing in up to six months, biodegradable menstrual products can help to reduce plastic waste and pollution

By Carolina Schwartz

Energy

Brazilian research center develops prototype nuclear battery

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

Sustainability

SAF Studies advance in the country

Universities and research centers are investigating new methods, processes, and raw materials to increase biofuel production and reduce costs

Sustainability

The road to renewable fuel

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

Cover

The exaflop era

With the power to perform 1 quintillion mathematical operations per second, Frontier has set a new standard in data processing

computer Science

More powerful supercomputers

Through modernization and new machines, Brazil is increasing its processing power for scientific research, weather forecasting, and energy generation

New materials

Nanocellulose used in tires and cosmetics

Substance extracted from plants increases the strength and reduces the weight of paper, rubber, plastics, paints, and cement

By Sarah Schmidt

Innovation

To measure your carbon footprint

Online calculators encourage ecological awareness and increase access to environmental compensation programs

By Carolina Schwartz

Agronomy

New techniques for determining soil identities

Land mapping with sensors, drones, and satellites improves agricultural productivity and identifies erosion and water or nutrient loss

By Carlos Fioravanti

Agricultural engineering

New sensors help to optimize use of irrigation in the field

Devices developed in Brazil were designed to measure soil moisture

By Suzel Tunes

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

New materials

Advances in 3D printing of human tissues

Artificially produced skin, livers, and intestines emerge as an alternative to testing cosmetics on animals

By Sarah Schmidt

Energy

The race for perovskite solar cells

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

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

BIOTECHNOLOGY

A test of quality

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

ENERGY

The power of salt

Researchers developed the first prototype of a Brazilian sodium battery, which could provide an alternative to lithium storage modules