Issue # 301 _ March 2021
Covid-19

Combat strategy
Research networks seeking to strengthen dialogue with the public authorities arise in response to the pandemic
By Christina QueirozCovid-19

Obstacle course
Research centers working on vaccines for the novel coronavirus in Brazil face major hurdles
By Domingos ZaparolliCovid-19

Breathless emerging economies
Lack of public and private investment heightens the dependence of Brazil and South Africa on vaccines from other countries, unlike the other BRICS members
By Rodrigo de Oliveira AndradeCovid-19

The expected effect of vaccines
Administering vaccines on a large scaled will tell us whether, in addition to protecting against the disease, they are also able to prevent infection by SARS-CoV-2
By Yuri VasconcelosScientometrics

In search of more refined metrics
New indicators seek to discover trends and establish more precise comparisons to evaluate quantitative data of scientific production
By Fabrício MarquesScientific education

Seeds of innovation
Award recognizes projects of public school students who seek to solve real problems in society
By Carla AranhaARCHAEOLOGY

A natural origin for Amazonian dark earths?
A controversial paper challenges the dominant theory that these dark, fertile Amazon soils formed as a result of ancient human settlements
By Marcos PivettaPhysics

Nuclear fusion prefers a 2D world
The chance of hydrogen atoms fusing and generating energy is one billion times greater in two-dimensional systems
By Marcos PivettaMathematics

A web of algorithms
Mathematical model simulates how spiders capture vibrations to locate trapped prey
By Igor ZolnerkevicEcology

Lowered immunity
Even modest doses of insecticide make bees more susceptible to bacterial infections and increased mortality
By Eduardo GeraqueRobotics

Robots as walking aids
Natively developed technology supports rehabilitation of patients with impaired mobility
By Domingos ZaparolliInnovation

Life support
Brazilian firm develops native out-of-body oxygenation system for patients in critical condition
By Yuri Vasconcelos