Science

ENVIRONMENT

Less forest, more agriculture

South America loses natural vegetation while livestock and crops gain ground over the last three and a half decades

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Physics

The muon enigma

Two recent experiments reveal anomalous behavior in these mysterious particles that, if confirmed, could lead to a revision of the dominant theory of matter

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Health

The first bonding

Instructional home visits by nurses help teen mothers bond with their babies and contribute to child development

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COVID-19

Focus on the genome

Brazil is still behind in monitoring Sars-CoV-2 genetics, but an injection of funding for research networks and the acquisition of materials could improve the situation

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Environment

Fighting global warming

US academies of science propose a research program to study the feasibility of Earth cooling measures

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Climate change

Risk of more natural disasters

Global warming may lead to more flash floods and landslides caused by extreme rainfall in the South, Southeast, and Northeast of Brazil

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Biology

The colors and songs of evolution

Varying plumage hues and song patterns lead to the formation of new species in certain bird groups

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Genetics

Family ties

Roughly 46,000 years ago, modern human beings ventured into the heart of Europe and interbred with Neanderthals

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COVID-19

All eyes on ButanVac

New vaccine candidate uses a more stable version of the spike protein

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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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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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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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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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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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Ornithology

Where birds came from

Most species in the tropics emerged in extreme environments, such as deserts and mountains, before establishing themselves in other biomes

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Geology

Coastal mountains moving

Subject to constant erosion, they are slowly advancing inland, and within a few million years could form a vast coastal plain

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Oceanography

Deep heating

Sensors installed up to 4,700 meters below the ocean’s surface record increased temperatures in abyssal regions of the South Atlantic

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Teaching

Opening up the world of science

Teachers explain how they use Pesquisa FAPESP in the classroom

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COVID-19

vaccine. Now what?

The introduction of vaccines in the battle against the COVID-19 pandemic raises new challenges

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