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Environment

Hidden losses

The size of the Atlantic Forest has remained almost stable for 30 years, but old forest is losing ground to newer formations with lower biodiversity and carbon stock

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Photonics

New light conversion

Miniaturization on a microchip that transforms a type of electromagnetic radiation into two distinct frequencies could reduce the size of laser devices

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Materials engineering

Made to order

Artificial intelligence system determines glass formulation based on the desired characteristics

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Physics

Twisted graphene

Brazilian device records surprising effect of misaligned graphene sheets

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Funding

A sigh of relief

New legislation to reduce the use of animals in scientific research in Brazil

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Ethics

Fewer animals in science

New legislation aims to reduce the number of animals used in teaching and research in Brazil

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Public health

An agenda for forgotten diseases

WHO launches road map to 2030 for preventing and eradicating neglected tropical diseases

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Interview

Jurandyr Ross: The three Brazils

The São Paulo geographer proposes an overview of the country’s different environmental, social, and economic realities

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COVID-19

Complex choices

Bioethics committees have become increasingly important in solving dilemmas brought about by the pandemic, but few hospitals have them

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COVID-19

A town turned laboratory

Epidemiological studies, such as the one led in the town of Serrana, São Paulo, should provide valuable information about the pandemic

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COVID-19

New vaccines on the way

Butantan Institute and federal government plan to start human trials of two vaccine candidates in the coming months

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COVID-19

The evolution of a virus

Low vaccination rates and lack of control over SARS-CoV-2 circulation is increasing the likelihood that more transmissible and lethal variants will emerge

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COVID-19

Death of a man; extinction of an ethnic group

Aruká Juma, the last person to speak the language of the Juma people, died of COVID-19 on February

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COVID-19

A mask that inactivates the virus

Hospital Regional da Asa Norte in Brasília began clinical trials of a mask that contains a biocompatible compound capable of inactivating the novel coronavirus

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COVID-19

High infant mortality in Sergipe

Despite having enough beds available in intensive care units (ICU) for adults, Sergipe has a 41% shortfall in pediatric beds

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COVID-19

Understand the long-term effects

The US NIH announced a plan to invest US$1.15 billion over the next four years into research on the long-term effects of COVID-19

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COVID-19

Outbreak on ship confirms the main route of contagion

The results of computer simulations of how COVID-19 spread on the Australian cruise ship Princess Diamond have finally been published in a scientific journal.

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Archaeology

A powerful fertilizer

Archaeological records of plants and grains suggest that agriculture sustained large human settlements in northern Chile for many centuries was established in 1438

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Environment

Causes of extreme drought in the Pantanal

Across 2019 and 2020, the Pantanal faced the worst drought recorded in the last 50 years

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History

Unfolding the past

Using an X-ray microtomography scanner, an international team of researchers was able to read the contents of a letter from the Renaissance Period without actually opening it

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Funding

More funding for science in the UK

The British government has announced plans to create a new funding agency in the country, known as the Advanced Research and Invention Agency

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Zoology

Gimli and Nigel, two dwarf giraffes

Gimli and Nigel are the first recorded examples of dwarfism in wild giraffes

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Notes

New deans of UFSCar and UNESP

Two São Paulo universities have new deans

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Engineering

First images from Amazonia-1

The Brazilian National Institute for Space Research has released the first images taken by Brazilian satellite Amazonia-1

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Astrophysics

A planet with a renewed atmosphere

Data obtained by the Hubble Space Telescope suggest that an exoplanet (GJ 1132 b) was able to develop a new atmosphere after its original was lost

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nuclear tests

France underestimated how many were affected by nuclear testing

The inhabitants of the archipelagos of French Polynesia were exposed to 2–20 times more radiation than previously estimated

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Data

Scientific papers published by each Brazilian state

In 2019, 64,368 scientific papers were published1 and indexed by the World of Science base with at least one author based in Brazil

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Good practices

Racial violence and scientific meetings

The American Physical Society has adopted new venue selection criteria for its 12 annual scientific events

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Good practices

Scientific integrity training

The Albert Einstein Israeli Institute for Teaching and Research has strengthened training in good research practices for its graduate students

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Good practices

The slow path to self-correction in science

Psychologists continued to cite papers whose results were not confirmed in subsequent research, study shows

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