Science

INTERVIEW

Margareth Dalcolmo: Pandemic scars

The physician-researcher discusses the difficulties faced by health professionals dealing with Covid-19, the dramatic struggles of patients she attended, and the likelihood of an increase in tuberculosis cases in the coming years

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COVID-19

With fewer cases and deaths, the pandemic could be entering a new phase

Incidence of the disease appears to be becoming more predictable

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COVID-19

Diplomacy against COVID-19

Inequalities in the fight against COVID-19 highlight the need for multilateralism

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Research during quarantine

“To keep from going crazy, I focused my energies on research and on the classes I teach at public schools”

João Augusto Neves Pires, a doctoral student in history, divided his time between studying the punk movement in São Paulo and the classes he taught using Pesquisa FAPESP as pedagogical material

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INFECTIOUS DISEASES

A long-sought cure may be closer

Experimental treatment able to control HIV for six months after stopping antiretrovirals

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ECOLOGY

Transgenic zebrafish found in streams in the Paraíba do Sul basin, Minas Gerais

More than a hundred specimens of the fluorescent zebrafish were captured by researchers

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ZOOLOGY

Hibernation delays aging in marmots and encourages sexual maturation in ground squirrels

Studies on the effects of hibernation were carried out by Brazilian researchers in the USA

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GEOLOGY

Computer simulations attempt to explain the origin of the Serra do Mar and Mantiqueira mountain ranges

A study by geophysicists from UNESP suggests the mountain ranges were formed by local processes, not influenced by the Andes

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PHYSICS

Formation of matter is seven times greater than the formation of antimatter in a study by Brazilians at CERN

The study is part of the LHCb experiment and analyzed disintegration of a rare type of particles and antiparticles

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Primatology

The name of the monkey

DNA analysis confirms the species of pygmy marmoset given to naturalist Spix by indigenous people in the Amazon two centuries ago

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Neuroscience

Epilepsy in vitro

Researchers use lab-grown mini-brains to simulate a type of epilepsy that is unresponsive to treatment

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Physics

Connecting two worlds

Study proposes minimum mathematical correction needed to make the theory of relativity compatible with quantum mechanics

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Geology

The São Francisco sands

The Xique-Xique dunes in Bahia were formed by sand carried from the São Francisco River by the wind over the last 100,00 years

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Atmospheric sciences

From Tonga to São Paulo

Smoke from January’s major volcanic eruption on the Pacific island was observed 27 kilometers above the city of São Paulo

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Cover

A drop in childhood vaccination

The pandemic has exacerbated a decline in immunization rates, which fell by 65% in some states in 2020

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COVID-19

Cross-infection between species

Humans have transmitted SARS-CoV-2 to animals, at least two of which have passed the virus onto other people

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Archaeology

Lower sea, fewer shell mounds

Study suggests a reduction in the level of the Atlantic Ocean 2,200 years ago sparked the collapse of ancient peoples on the Brazilian coast

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Ecology

Vaccinating primates against yellow fever

Early trials suggest human vaccines are effective in wild primate species susceptible to the yellow fever virus

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Interview

Luiz Vitor de Souza Filho: High-energy ambassador

A Brazilian physicist from the University of São Paulo's São Carlos campus has been elected to chair the international scientific consortium building the world's largest gamma-ray observatory

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Geochemistry

Witnesses to a primitive Earth

Rocks found in Minas Gerais contain evidence of pockets of oxygen from 400 million years before the gas accumulated in the planet’s atmosphere

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Climate

The Amazon produces 8% of the planet’s methane

Most of the gas emitted in the biome comes from wetlands, but the rise in livestock farming and fires has increased emissions associated with human occupation

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COVID-19

The efficiency of masks

Tests reveal how and to what extent different types of masks limit the airborne spread of infectious diseases

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COVID-19

The pandemic accelerates

High transmissibility of the Omicron variant reinforces the importance of vaccinating children, the last age group to be immunized

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INTERVIEW

Karen Strier: Four decades with the muriquis

American anthropologist has contributed to primate conservation in the Atlantic Forest and trained almost 80 Brazilian researchers

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Interview

Rodolfo Nogueira: Stunningly real dinosaurs

How a paleoartist combines technical and scientific knowledge to recreate extinct animals with a wealth of detail

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Paleoecology

Caribbean incursions

Studies back up the hypothesis that the Caribbean Sea flooded parts of the western Amazon between 23 and 10 million years ago

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Geophysics

Shifting sands

Studies suggest crescent-shaped dunes can move and interact in five different ways

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Genetics

The rise and fall of Tupi

Speakers of the language may have numbered 4 to 5 million a millennium ago but began declining sharply before Europeans arrived on the continent

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COVID-19

The uncertainties of omicron

New SARS-CoV-2 variant is highly transmissible, but for now, there is no evidence that it causes more severe disease or more deaths

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Astrophysics

The world’s largest space telescope

The James Webb Space Telescope is due to be launched in late December; Brazilian astronomers will lead two observation programs and collaborate on another nine

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