Marcos Pivetta

Cover

Geography of flavors

In the last two decades, Brazil has created 88 geographical indications for products such as coffee, cheese, and wine

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ASTROPHYSICS

Devourers of worlds

At least a quarter of Sun-like stars may have swallowed Earth-like planets

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Atmosphere

Greatest threat to global health

Editorial published in more than 200 medical journals highlights the risks of ignoring climate change

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Atmosphere

Pollution that causes global cooling

Aerosol particles that worsen air quality and damage human health also reduce global warming by a third

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INTERVIEW

Carlos Alfredo Joly: It’s time to focus on biodiversity

Botanist who created the Biota program states that defending the preservation of biological wealth is key to fighting climate change

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Cover

Boosted atmosphere

Studies indicate that almost 80% of 405 recent extreme events were more frequent or intense due to changes caused by humans

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Cover

Climate in the Anthropocene

Human activity is driving global warming and amplifying extreme droughts and rainfall, says the IPCC

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Environment

The Amazon is losing gas

Studies indicate that the east of the rainforest, which has suffered greater deforestation, has become a source of carbon dioxide in the last decade, while the west is trying to remain a carbon sink.

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ASTROPHYSICS

Star fossil

New survey of celestial bodies finds rare and ancient star over 10 billion years old

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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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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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COVID-19

All eyes on ButanVac

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

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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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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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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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Interview

Recognized effort

The director of the International Center for Theoretical Physics at UNESP receives award for his leadership role in Latin American physics research

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Astrophysics

Holes of every size

Gravitational waves reveal black holes of new sizes

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COVER

The Pantanal pleads for rain

Record fires destroy a quarter of the world’s largest floodplain and worsen the impacts of a prolonged drought

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Obituary

João Steiner’s legacy

The USP astrophysicist studied black holes and created partnerships giving Brazil access to large international telescopes

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Biota – 20 Years

More than biodiversity

Studies on interactions between vegetation and the climate, such as those that occur in the Atlantic Forest, open new paths for the FAPESP program

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Astrophysics

Where the “day” lasts half a minute

Brazilians discover the fastest white dwarf star, which completes one rotation on its axis in less than 30 seconds

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Biology

A dose of Darwin in taxonomy

New method of classifying living organisms favors evolutionary history and abandons the divisions of the Linnaean system

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Archaeology

30,000 years ago in the Americas

Mexican site suggests settlement of the Americas began 30,000 years ago

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Environment

The return of deforestation

Official INPE figure says 10,129 km2 of the Amazon were deforested in 2019, the most since 2008

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INTERVIEW

Ricardo Magnus Osório Galvão: The physicist who would not bend

Almost a year after being dismissed, the former director of INPE continues to warn that deforestation is out of control in the Amazon

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Covid-19

Looking for shortcuts

International teams use eight different techniques to create 150 COVID-19 vaccine candidates in six months

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