Science

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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Astrophysics

Persistent connection

International team captures unexpected simultaneous creation of star and planet in system continuously sustained by cloud of gas

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Oncology

Better chances with time

The risk of rectal cancer recurrence is less than 5% for patients who have been tumor-free for three years after nonsurgical treatment with radiation therapy and chemotherapy

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Interview

Gustavo Turecki: Detective of the mind

Born in Argentina and educated in Brazil, a dedicated psychiatrist investigates the causes of suicide

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Botany

Tropical trees die sooner

Tropical species have average lifespans of 186 years, while temperate species live for an average 322 years, a study on 438 tree species shows

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Archaeology

The interconnected peoples of ancient Amazon

Road networks connected villages as far as 10 km apart and interwove their cultures in pre-Columbian periods

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Paleontology

Pterosaur precursors

A new study suggests that a group of small extinct ground-dwelling vertebrates, called lagerpetids, were the closest relatives of these mysterious winged reptiles

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COVID-19

The mutation risk

New strains of SARS-Cov-2, such as the one identified in the United Kingdom in December, could make the pathogen more transmissible and virulent

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COVID-19

The era of genetic vaccines

The vaccines from BioNTech/Pfizer and Moderna result from historical investments in messenger RNA technology leading to the creation of new products

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COVID-19

Distribution challenges

Governments need to work with pharmaceutical and logistics companies to overcome obstacles to start the SARS-CoV-2 immunization campaign

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