Issue # 328 _ June 2023

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Cover

Science takes a broader look at how to end hunger in Brazil
In addition to poverty, studies are starting to look at bottlenecks in the journey food takes from farm to fork By
Climate crisis impacts food production
Rice and beans, two staples of the Brazilian diet, need to be made more resistant to drought and high temperatures By

 

COVID-19

Setbacks in coronavirus drug development

Health agencies are suspending the use of drugs that have lost efficacy against circulating variants of SARS-CoV-2

By

Human resources

Strategies for attracting and rewarding talent

Experts discuss how to increase interest in scientific careers among young people and better appreciate the work of researchers in Brazil

By

Scientometrics

Study evaluates the output of computer scientists who publish far more articles than their average colleague

Methodology created by a group from UFMG identified anomalous practices in some cases

By

ANIMAL TESTING

Regulation establishes guidelines on the use of animals in research and teaching in Brazil

At 1100 pages long, the new manual took a decade to produce

By

Photonics

Researchers create capsule to protect ultra-thin optical fibers

Device is designed for several types of sensors, such as those used to detect gas leaks

By

OCEANOGRAPHY

Pollution, loss of biodiversity, invasive species, and the impacts of climate change

The marine and coastal environment in Brazil is undergoing intense degradation, demanding urgent action to alleviate problems that are piling up

By

Mathematics

Algorithm reduces uncertainty in proposition that has challenged mathematicians for nearly 100 years

The work is considered a major breakthrough in the search for a solution to Ramsey's theorem, formulated in 1930

By

ASTROPHYSICS

Dense, compact star could be made of strange matter

With 80% of the mass of the Sun and a radius of 10.4 kilometers, the object could be made up of free quarks

By

ZOOLOGY

Zoonomia project compares genomes in search of answers about evolution and health

Analysis of an unprecedented volume of data could provide insights into human diseases

By

Food

Only a quarter of the average bottle of ketchup is tomato pulp

Study analyzed 25 brands of tomato sauce available in a town in the state of São Paulo

By

Environment

New tools to track forest products

In efforts to curb deforestation in the Amazon, environmental agencies, universities, and NGOs are developing technologies to trace the origins of wood

By

AEROSPACE TECHNOLOGY

New capabilities for space exploration

More Brazilian companies are investing in locally developed nanosatellites for commercial applications

By

VETERINARY SCIENCE

App helps recognize pain in animals

Free tool created at UNESP determines level of suffering and advises on the need for analgesic treatment

By

SOCIOLOGY

How many former prisoners reoffend after release?

Researchers calculate and attempt to reduce the country's criminal recidivism rate

By

HISTORY

Correspondence of abolitionist André Rebouças made public

Letters from Africa marks the first of a five-book series of his intimate writings

By

Anthropology

Slaves brought Catholicism practiced in Africa to Brazil, says researcher

Study investigates the religious and cultural contributions of the African diaspora in Brazil

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