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Environment

Fire and biodiversity

Experiment suggests that small, controlled fires increase the number of plant species in the Cerrado without decreasing the number of animals

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Interview

Carlos Guerra Schrago: The theory and practice of evolution

The discipline that seeks to reconstruct the histories of species is itself evolving, according to UFRJ biologist

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Statistics

Stunted by recession

IBGE’s latest PINTEC survey reveals slowing innovation momentum among Brazilian firms between 2015 and 2017

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Interview

Luiz Eugênio Mello: Even something good has room for improvement

The new scientific director of FAPESP on his plans and the challenges for research as a result of the pandemic

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Coronavirus

Research during the quarantine

“I put my epidemiologist’s hat back on” Three years ago, I became dean of the Federal University of Pelotas and pressed the pause button on my scientific life in order to dedicate myself 100% to leading the university. Until the new coronavirus pandemic began, that is. I was wearing my dean’s hat, but I couldn’t... View Article

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Cover

Historical vulnerability

Chronic health problems and poor connections with public authorities make combating the SARS-CoV-2 virus a challenge for indigenous peoples

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Interview

Michel Nussenzweig: Antibody hunter

Brazilian-born immunologist searches the plasma of patients who have survived COVID-19 for proteins capable of fighting the novel coronavirus

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Retrospect

In the palm of the hand

A São Paulo physician developed a portable respirator in the 1950s

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Cover

Vital ventilators

Brazil’s hospitals scramble to buy ventilators for ICUs, while a FAPESP-supported firm closes a deal to supply 6,500 units to the Brazilian Ministry of Health

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Cover

Progress toward dengue vaccine

A formulation developed by the Butantan Institute has shown protective effects in the second phase of testing

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Cover

The antivirus arsenal

The search for an effective treatment for COVID-19 includes testing drugs already used against other diseases and even plasma

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Cover

A frightening disease

Reports suggest the novel coronavirus may indirectly affect other organs as well as the lungs

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Cover

Science fights back

In just four months, 8,000 scientific articles have been published on Covid-19, more than 70 drugs tested against SARS-CoV-2, and the first vaccines trialed on humans

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Public health

Banning travel alone will not stop the pandemic

Public health actions, such as early testing, washing hands, social distancing, and self-isolation are likely to be more effective in reducing the transmission rate of the SARS-CoV-2 virus than simply reducing national and international travel

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Pharmacology

Monkeys are the best animal model

Monkeys appear to be the best animals for testing SARS-CoV-2 vaccines and drugs

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Covid-19

Thermal camera identifies fever from a distance

Researchers developed a drone equipped with a thermal camera capable of measuring a person’s temperature from a distance

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Covid-19

The ideal fabric for homemade masks

A mixture of cotton and natural silk or chiffon is the best combination for making homemade masks capable of blocking the SARS-CoV-2 virus

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Coronavirus

Virus on the attack

Transmission electron microscope images provide a detailed look at how SARS-CoV-2 attacks, infects, and replicates in a culture of Vero cells

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Chemistry

Paper and sponge made from pollen

Researchers transformed grains of sunflower pollen into a microgel with controllable properties and synthesized products with consistencies of gel, paper, and sponge

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Archaeology

The new dimensions of Ur

Ur may have occupied an area up to eight times greater than previously estimated by archaeologists in the 1980s

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Paleontology

A giant tortoise

The largest freshwater turtle that ever existed, possibly the largest of all turtles, lived between 13.8 million and 5.3 million years ago in South America, inhabiting a larger area than previously thought

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Innovation

More agile drones

Engineers have developed a system that allows drones to detect and quickly avoid moving objects in the air

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Economy

Billion-dollar divorce

The joint venture announced two years ago between Embraer and Boeing has been canceled

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Archaeology

Primitive gardens in the Amazon

Evidence of cassava and pumpkin cultivation, dated at 10,350 and 10,250 years ago respectively, helped an international team of researchers to identify 4,700 artificial forests in the Llanos de Moxos region in Bolivia

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Preprints

Preprints and published articles

A study led by researchers from the Federal University of Rio de Janeiro compared preliminary scientific manuscripts shared on preprint repositories with their final versions published in scientific journals after peer review

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Geology

Rain awakens volcano in Hawaii

An abnormal volume of rainfall in early 2018 may have intensified the eruption of Kīlauea, a volcano in Hawaii, USA, in May of the same year.

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Biology

Why females live longer

The difference in lifespan between the two sexes, the researchers noted, is not due to different aging rates

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Data

Scientific publications on artificial intelligence1

The number of scientific articles on artificial intelligence (AI) published worldwide tripled

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Good practices

Mysterious and fraudulent authorship

The scientific journal Future Generation Computer Systems recently announced the retraction of a 2018 article

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Good practices

A keen eye for detecting manipulation

In an effort to improve the quality of the scientific articles it publishes, the Journal of Clinical Investigation began requiring that all authors provide the raw data produced by their experiments

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