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International issue | November 2022

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Cover

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 By Yuri Vasconcelos and Domingos Zaparolli
Focus on grazing and nutrition
Efficient pasture management and changes in livestock feeding strategies can reduce the impact on the global climate By Yuri Vasconcelos and Domingos Zaparolli

Interview

Maria Victoria de Mesquita Benevides: The right to democracy

Sociologist fosters the creation of the field of education in human rights in Brazil By Christina Queiroz

 

Sections

Editorial

 

FAPESP – 60 YEARS

Diversity in science

Brazil remains attractive for foreign postdocs, but applications have declined in recent years

By Rodrigo de Oliveira Andrade

FAPESP – 60 YEARS

Beyond borders

In its six decades, São Paulo’s FAPESP has helped to strengthen Brazil’s broader science, technology, and innovation ecosystem

By Fabrício Marques

Climate

The Amazon produces 8% of the planet's methane

Most of the gas emitted in the biome comes from wetlands, but the rise in livestock farming and fires has increased emissions associated with human occupation

By Marcos Pivetta

ECOLOGY

The land of trees

The continent's rainforests are home to four times as many tree species as Africa’s

By Eduardo Geraque

The rise and fall of Tupi

The rise and fall of Tupi

Speakers of the language may have numbered 4 to 5 million a millennium ago but began declining sharply before Europeans arrived on the continent

By Ricardo Zorzetto

Ecology

Vaccinating primates against yellow fever

Early trials suggest human vaccines are effective in wild primate species susceptible to the yellow fever virus

By Carlos Fioravanti

Biotechnology

Cell therapy on the radar

Company changes business plan and invests in regenerative medicine in search of a cure for diseases that currently have no treatment

By Suzel Tunes

PHYSICS

AI for finding materials

Machine learning could accelerate the discovery of two-dimensional crystals similar to graphene but with specific properties

By Marcos Pivetta

ENGINEERING

A robotic guide dog

Startup from Espírito Santo pre-launches autonomous machine to help visually impaired people navigate closed spaces

By Frances Jones

TRANSPORT ENGINEERING

Asphalt with less environmental impact

Reusing tailings from mining, rubble from construction and demolition, and other types of waste reduces the consumption of gravel, natural sand, and petroleum products in paving roads and highways

By Domingos Zaparolli

LAW

Lawless land

Lack of consensus on the concept of disinformation hinders regulatory efforts to control the spread of false content online

By Christina Queiroz

URBANISM

Interactive atlas of Rio de Janeiro

The map of the city shows the geographical and urban transformations since 1500

By Dafne Sampaio
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