Issue # 321 _ November 2022

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Cover

Emissions of carbon dioxide—the most abundant greenhouse gas—double in the Amazon
Study indicates that increased deforestation resulted in the rainforest emitting more carbon than it absorbed in 2019 and 2020 By

 

GENDER

Diversity in mathematics teaching and research

Encouraging LGBT+ students and scientists to get involved in mathematics is the theme of academic events abroad and research projects in Brazil

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ECOLOGY

Roads associated with mining in the Amazon cause significant environmental damage

The impact caused by roads created to provide access to mines can be 60 times greater than that caused by the mines themselves

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INTERVIEW

Euclides de Mesquita Neto: The chess game of global science

UNICAMP researcher Euclides Neto discusses challenges ahead as executive secretary of the Global Research Council, an association of more than 60 research-funding agencies on all continents

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IMMUNOLOGY

Three Brazilian COVID-19 vaccines begin human testing

The three candidates use different technologies; two have already completed the first phase of clinical trials

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ECOLOGY

Freshwater mangroves identified near the mouth of the Amazon River

Study expands the area occupied by this rare type of coastal ecosystem on the border between Pará and Amapá

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ORNITHOLOGY

Study confirms existence of dwarf hyacinth macaws

Research also defined the growth stages of this bird from the Pantanal, which was once an endangered species

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NOBEL PRIZE

The 2022 winners

Twelve individuals and two institutions were awarded the Nobel Prize this year

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SCIENCE COMMUNICATION

Ig Nobel Prize for constipated scorpions

Satire of the biggest scientific award in the world selects the work of a pair from the University of São Paulo in the Biology category

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Environment

Brazil dumps 3.44 million tons of plastic waste into the sea every year

Studies reveal the impact of plastic bags, bottles, straws, and other polymeric materials on marine organisms and ecosystems

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Environment

The trash trail to the sea

UN study names the Brazilian cities that dispose of the most plastic waste and the rivers that transport it

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FORESTRY ENGINEERING

New technique used to reforest Brumadinho

The innovative experimental technique uses hormones and grafting to reproduce native trees and speed up their flowering time in areas of socioenvironmental disasters

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COMPUTING

Deepfake

Algorithm detects images and videos altered by artificial intelligence, the new technological approach to spreading disinformation

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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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PUBLIC POLICY

Child labor could affect almost 6 million children in Brazil

The practice, which is illegal in Brazil, is underreported and occurs even online

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SOCIOLOGY

The seeds of mistrust

A new dictionary focuses on the varieties of denialism that confuse public opinion in Brazil and around the world

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BIOETHICS

Controversies in genetic editing

Advances in medical treatments using CRISPR gene editing demand the establishment of governance mechanisms to guarantee equal access

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