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Issue # 299 _ January 2021

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Cover

The economics of caregiving
Increase in population life expectancy and new family arrangements produce higher demand for caregivers and complicate government decision-making By Christina Queiroz
An expanding market
In Latin America, remunerated caregiving work accounts for 16% of jobs, with 47 million people working in the area By Christina Queiroz

Interview

Silvio Meira: A hopeful realist

Creator of one of the most important ecosystems of innovation in the country, the computer scientist discusses the emergence of the digital era in Brazil By Bruno de Pierro

 

Sections

Photolab

Editorial

Good practices

Data

Notes

Retrospect

Careers

 

COVID-19

Approval strategy

Amid uncertainty, São Paulo announces state vaccination plan

By Carlos Fioravanti

COVID-19

Distribution challenges

Governments need to work with pharmaceutical and logistics companies to overcome obstacles to start the SARS-CoV-2 immunization campaign

By Tiago Jokura

COVID-19

The era of genetic vaccines

The vaccines from BioNTech/Pfizer and Moderna result from historical investments in messenger RNA technology leading to the creation of new products

By Eduardo Geraque

COVID-19

The mutation risk

New strains of SARS-Cov-2, such as the one identified in the United Kingdom in December, could make the pathogen more transmissible and virulent

By Frances Jones

Bibliometrics

Science with impact

List of researchers with highly cited works includes more Brazilians in 2020

By Rodrigo de Oliveira Andrade

Scientific publications

The Plan S labyrinth

In effect since January 1, the open-access initiative reduces ambitions and faces uncertainty about its reach

By Fabrício Marques

Paleontology

Pterosaur precursors

A new study suggests that a group of small extinct ground-dwelling vertebrates, called lagerpetids, were the closest relatives of these mysterious winged reptiles

By Marcos Pivetta

Archaeology

The interconnected peoples of ancient Amazon

Road networks connected villages as far as 10 km apart and interwove their cultures in pre-Columbian periods

By Maria Guimarães

Botany

Tropical trees die sooner

Tropical species have average lifespans of 186 years, while temperate species live for an average 322 years, a study on 438 tree species shows

By Eduardo Geraque

Interview

Gustavo Turecki: Detective of the mind

Born in Argentina and educated in Brazil, a dedicated psychiatrist investigates the causes of suicide

By Ricardo Zorzetto

Oncology

Better chances with time

The risk of rectal cancer recurrence is less than 5% for patients who have been tumor-free for three years after nonsurgical treatment with radiation therapy and chemotherapy

By Sarah Schmidt

Astrophysics

Persistent connection

International team captures unexpected simultaneous creation of star and planet in system continuously sustained by cloud of gas

By Igor Zolnerkevic

Crop science

Soil genetics

New mineral mapping technique can help farmers save on farm inputs and minimize environmental impacts

By Domingos Zaparolli

Aeronautical engineering

The Atobá takes flight

Rio-based firm successfully develops large-sized unmanned aircraft for defense and security missions

By Yuri Vasconcelos

Audiovisual

Women’s cinema

Studies investigate the role of women in film productions; in Brazil, only 15% of films were directed by women from 2001 to 2010

By Ana Paula Orlandi

Archival science

Behind the scenes of science

Classified as documents, notebooks describing early research can serve as a source of reference for further studies

By Ana Paula Orlandi
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