Marcos Pivetta

Epidemiology

The threat of yellow fever

Yellow fever cases is bringing back the fear of an urban epidemic in Brazil

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Health

Zika in early pregnancy

Zika infections in early pregnancy present the gravest danger to the fetus

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environment

Reefs at the mouth of the Amazon River

The region where the river meets the ocean between the states of Pará and Amapá is home to the northernmost corals along Brazil’s coast

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ARCHEOLOGY

Sedentary farmers

Ancestors of the Jê group engaged in farming a thousand years ago

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Neuroscience

The hunting circuits

Pathways in the amygdala control the aggressive behavior of predators

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ORNITHOLOGY

The birdcage that saves

Saved from extinction, the Alagoas Curassow will be reintroduced into the wild

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Gabriela González

Gabriela González: When space curves

Argentine physicist describes the process of detecting gravitational waves

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Cover

A risk map of the world

Poor and developing countries are most vulnerable to natural disasters

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COVER

A more vulnerable Brazil in the 21st century

Projections point to increased risk of natural disasters in the coming decades

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Melanoma

Less severe melanoma

Protein action may promote a milder progression of skin tumors

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ZOOLOGY

Obama crosses the Atlantic

A flatworm named after a U.S. president is now spreading across Europe

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NANOTECHNOLOGY

The secret of the memoristor

Researchers try to demonstrate the mechanism behind memoristors

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Sylvio Ferraz Mello

Sylvio Ferraz Mello: A unique trajectory

Studies helped explain characteristic anomalies in the orbits of asteroids

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COVER

Prehistoric fishing

Amerindians caught sharks and whitemouth croakers 5,000 years ago

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History

Monções (almost) rewritten

Sérgio Buarque de Holanda liked to rewriting his works

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cover story

New eyes on the Universe

Telescopes will study dark matter, dark energy, and map the cosmos in 3D

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cover story

The age of grand observations

International partnerships and investments should boost astrophysics in São Paulo

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MATHEMATICS

Virtual sieve

System compares the performance of soccer players and helps identify talents

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MEDICINE

A new view of the heart

Magnetic resonance imaging can detect subtle cardiac changes

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Soar

Focus on primordial stars

Spectrograph may be able to observe elements of the first stars in the Universe

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Cover

DNA of a champion?

Mutations in certain genes can make a difference in sports performance

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COVER

Phosphoethanolamine’s ultimate trial

Clinical trials on humans should determine if the drug could be treat cancer

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PALEONTOLOGY

In the water with the spinosaurs

Spinosaurs also lived in semiaquatic environments

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NATURAL DISASTERS

50 years of calamities in South America

Droughts and floods affect more people

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Marcela Carena

Beyond the Standard Model

The challenges of new theories that attempt to understand the particle physics

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Education

Acquisition of subject knowledge ranks first

Study detects substantial gains in subject knowledge

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Cover

A fat that fights obesity

Unsaturated fatty acids could reverse damage to the brain of obese individuals

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Ecology

Reefs at the mouth of the Amazon River

Where the river meets the ocean is home to the northernmost corals

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Paulo Artaxo

Paulo Artaxo: Physics in service of the planet

Researcher comments on the COP21 agreement and the Amazon’s importance

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Archeology

The unusual menu of the Paracas people

A population that lived more than 2,000 years ago ate a carbohydrate-rich diet

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