Carlos Fioravanti

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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Cover

Unequal treatment

There have been improvements in the accessibility and quality of healthcare services around the world over the last 25 years, but there are still pronounced regional disparities

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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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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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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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PEDIATRICS

Replacing the body’s defenses

Bone marrow transplant is the best long-term alternative for treating IPEX syndrome, a rare childhood immune disease

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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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INTERVIEW

Igor Pacca: In search of the secrets of inner Earth

Physicist Igor Pacca trailblazed geophysics research in Brazil and studied continental drift by investigating changes in Earth’s magnetic field

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PUBLIC HEALTH 

A barrier against HIV

New medication to prevent transmission of the AIDS virus is adopted and evaluated in Brazil

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ECOLOGY

The Metamorphoses of the Atlantic Forest

Survey of 2,000 species shows a predominance of small animals and resistance to forest fragmentation

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Geology

Vestiges of primitive Earth

The depths of the Earth may contain rigid blocks spanning thousands of kilometers

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Ecology

Deep sea alliances

Six species of cleaner fish from the Rocas Atoll obtain food by removing parasites from larger fish

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MEDICINE

Reversing Wasting Syndrome

Physical exercise can halt cachexia, the inflammation that induces unwanted weight loss and worsens cancer and other diseases

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CARDIOLOGY

Replaced hearts

Fifty years after the first heart transplant, survival is up but donors remain scarce

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ECOLOGY

The corrosion of the Caatinga

Wood extraction and use of land for crops and pasture reduce biodiversity and transform the landscape of the badlands

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Retrospect

A controversial vaccine

Early attempts to prevent yellow fever in Brazil, in 1883, were beset by controversy

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Remote Sensing

Groundwater seen from space

A new satellite system will soon resume collecting aquifer data from around the globe

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PUBLIC HEALTH

Five years later

Study spanning 71 countries shows that survival rates for prostate cancer rose and pediatric cancer fell in Brazil

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ECOLOGY

A sea of fry

A survey finds two-thirds of fish off Brazil’s coast are of small body size

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ZOOLOGY

Solitary sand spiders

Isolated Sicarius populations inhabit Brazil’s Caatinga (semi-arid scrublands) and desert areas of Argentina, Peru and Chile

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PUBLIC HEALTH

Examining the yellow fever vaccine

Scientific evidence indicates that the fractionated dose produces a protective effect, but there is no consensus about its duration

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Data Management

High-quality information

Researchers propose strategies to improve the reliability of online biodiversity databases

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Cover

The monkey alarm

Yellow fever is decimating populations of wild primates, whose deaths indicate areas where the virus is transmitted

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EPIDEMIOLOGY

From monkeys to people

FIOCRUZ team suggests a sixth form of malaria

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Cover

Heat waves: More intense, longer, and more frequent

Higher temperatures increase mortality around the world

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MUSEOLOGY

The uncertain fate of police museum collections

The uncertain fate of police museum collections

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BIOLOGY

The chemical language of insects

Bees and ants recognize each other through compounds that cover their bodies

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Medicine

Delving into genetic diseases

Analyzing gene-containing DNA segments allows diagnoses of diseases

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Ataliba Teixeira de Castilho

Ataliba Teixeira de Castilho: The libertarian linguist

Linguist says that language belongs to the speaker, not to the grammarian

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Ecology

Deep sea alliances

Cleaner fish obtain food by removing parasites from larger fish

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