Science

Public health

A parasite reaches the big city

Difficult diagnosis and a warmer climate facilitate the advance of visceral leishmaniasis toward large urban centers

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GEOLOGY

China and Brazil may once have been neighbors

Graphite-rich rocks suggest that areas of both countries, as well as Africa, were joined together nearly 2 billion years ago

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Physics

Heated up by the cold

Cold particles transfer heat to hotter ones in a quantum experiment, thereby reversing the thermodynamic arrow of time

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PHYSICS

The effects of quantum turbulence

Disturbing a cloud of cold rubidium atoms produces a wave phenomenon similar to light

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Astronomy

Devouring stars

According to a survey, the Milky Way cannibalized eleven neighboring galaxies

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ASTRONOMY

The rocks that remained

An alternative model suggests that the asteroid belt originated from leftovers from the formation of the planets in the solar system

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Biology

The chemical language of insects

Within colonies, bees and ants recognize each other and organize themselves through compounds that cover their bodies

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ETHOLOGY

Primate culture

Transmission of tool-use practices among capuchin monkeys helps redefine the role of traditions in evolution

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SBPC

In search of new audiences

Brazilian science association targets young people, liberal professionals, and businesses in an effort to extend their social reach

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ASTROPHYSICS

Signs of new worlds

Gravitational waves could be used to detect exoplanets in close orbit around their parent star

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OCEANOGRAPHY

Sources of methane under the sea

Two thousand craters releasing greenhouse gas found off the Brazilian coast

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HEALTH

Early-term births on the rise

In 2015, 40% of babies were born before reaching biological maturity, partly because of elective cesarean sections

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EVOLUTION

A theory in motion

Research that looks beyond the gene suggests new directions for understanding how species diversify

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SBPC

Seeds of knowledge

The lectures, debates, and publications of the organization that promotes Brazilian science

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Astrophysics

Primordial origin

Distant galaxies 13 billion light-years from Earth are home to the first black holes created in the Universe, with masses as much as a billion times greater than the Sun

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ASTROPHYSICS

Cosmic accelerator

Supermassive black hole outside the Milky Way is first confirmed source of high-energy neutrinos

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INTERVIEW

Robert Shelton: A partnership between giants

President of the GMT telescope explains why he joined together with competitor TMT to secure funding from the National Science Foundation

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Geology

Receding seas on Trindade intrigue researchers

The Atlantic has receded by 3 meters over the last 6,000 years on the shores of Brazil’s eastern-most island

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Mathematics

Fields Medal winners

Four researchers are awarded the most prestigious prize in mathematics at a congress in Rio de Janeiro

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Ecology

Monkeys under threat

Around 60% of primate species may disappear by the end of the century, study finds

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EVOLUTION

How snakes arrived in the Galápagos

Brazilian and Ecuadorian researchers trace the routes the reptiles used to colonize the archipelago and identify three new species

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SBPC

Battles never ending

The Society works to gain recognition for researchers and plays an active role in some of the great science debates in Brazil

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ASTROPHYSICS

A meteorite in Serra Pelada

Fragments of one of the largest asteroids in the solar system recovered by researchers in Amazonia

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ECOLOGY

Underwater Forest

Coral reefs at the mouth of the Amazon River may be larger, deeper, and more complex than expected

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INTERVIEW

José Goldemberg: From nuclear physics to ethanol

Researcher speaks of his major contributions to science

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ENVIRONMENT

Energy to change

Conference discusses the role of biofuels in fighting global warming

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ECOLOGY

A more varied menu

Leafcutter ants can grow and eat various species of fungi, not just one, as had been previously thought

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SBPC

Scientists united

Post World War II, researchers founded an association in São Paulo that started a wave of new research institutions

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ARCHAEOLOGY

The age of milk

Hunter-fisher-gatherers who lived in the coastal regions of Santa Catarina State 3,000 years ago breastfed children until 2 years of age

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PHYSICS

Spinning Sound

Acoustic atomic vibrations in solid materials may result in spin, one of the most fundamental properties of quantum physics

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