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Letter from the editor | 302

Principles and decisions

Viruses are simple but sophisticated organisms. They have no efficient mechanism for correcting genetic errors that occur during replication, meaning that changes to their genome are incorporated into future generations. These mutations can be harmless, or they can make the virus more efficient—which is all the more undesirable when humans are the hosts. A year... View Article

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Photolab

Bottled color

Under a blacklight, the lab-made solution shines

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Research during quarantine

Research during quarantine

Fernando Carvall“It is considered normal that of 100,000 deaths, the majority are black” I study racial inequality and the mortality of cervical and breast cancer. Cervical cancer is an infectious disease whose incidence is strongly linked to a lack of access to preventive therapies, which is why it is associated with poverty and inequality and... View Article

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Covid-19

Poor performance

Brazil's response to the pandemic was considered the worst in the world by a survey released in January by the Lowy Institute, Australia

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Letter from the editor

Stolen heritage

Illegal fossil extraction is poorly reported and a more common problem than you would think. Developing nations whose soils are rich in prehistoric records often suffer from limitations such as insufficient security and oversight, leading to increased smuggling of valuable artifacts, which frequently end up in the hands of private collectors or even in museums.... View Article

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PROFILE

Cosmic dance

Brazilian astronomer has been collaborating with NASA for more than two decades and discovered a supernova

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Careers

Another degree

Taking a second degree expands your knowledge and allows you to change or adjust the course of your career

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Retrospect

Open pathways to the first vaccine

The techniques and concepts used to eradicate smallpox in Brazil 50 years ago are still applied today to contain epidemics

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Obituary

Creator of memories

Born in Argentina, Ivan Izquierdo helped to discover how the brain learns and recovers stored information and shaped generations of Brazilian researchers

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Obituary

Historian between two worlds

Shozo Motoyama developed benchmark research projects about the history of science and Japanese immigration in Brazil

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Visual arts

Territorial conquest

Dialogue between anthropology and the arts drives the inclusion of indigenous artists in the museological scene

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Education

Performance under analysis

Number of public military schools doubled in 2020 in Brazil

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Innovation

Life support

Brazilian firm develops native out-of-body oxygenation system for patients in critical condition

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Robotics

Robots as walking aids

Natively developed technology supports rehabilitation of patients with impaired mobility

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Ecology

Lowered immunity

Even modest doses of insecticide make bees more susceptible to bacterial infections and increased mortality

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Mathematics

A web of algorithms

Mathematical model simulates how spiders capture vibrations to locate trapped prey

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Physics

Nuclear fusion prefers a 2D world

The chance of hydrogen atoms fusing and generating energy is one billion times greater in two-dimensional systems

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ARCHAEOLOGY

A natural origin for Amazonian dark earths?

Study disputes theory that pre-Columbian peoples produced fertile soil in the Amazon

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Scientific education

Seeds of innovation

Award recognizes projects of public school students who seek to solve real problems in society

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Scientometrics

In search of more refined metrics

New indicators seek to discover trends and establish more precise comparisons to evaluate quantitative data of scientific production

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COVER

In the footprint of smuggled fossils

Paleontologists speak with Federal Prosecutors and the Federal Police to bring a stop to the trafficking of fossil assets in Brazil

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INTERVIEW

Eurico Arruda: Admirer of viruses

Coronavirus specialist and USP physician speaks about the new variants of SARS-CoV-2 and the risk they represent in the efficacy of some vaccines

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Covid-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

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Covid-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

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Covid-19

Obstacle course

Research centers working on vaccines for the novel coronavirus in Brazil face major hurdles

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Covid-19

Combat strategy

Research networks seeking to strengthen dialogue with the public authorities arise in response to the pandemic

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Covid-19

Antibodies reduce deaths

A clinical trial led by researchers at the University of Oxford, UK, identified a second drug capable of reducing mortality among patients with severe COVID-19

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Covid-19

Some more likely than others to leave the house

Middle and high earner are more willing to leave home to work during the pandemic than low earners, even at the risk of contracting the novel coronavirus

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Coronavirus

Declining infections and hospitalizations

Israel is already benefitting from the effects of vaccination against COVID-19

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Covid-19

Concerning virus variations

In early 2021, information emerged on the rapid spread of new variants of SARS-CoV-2

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