Issue # 267 _ May 2018

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Cover

More people in the rainforest
New archaeological sites and evidence of plant domestication support the idea that pre-Columbian Amazonia was densely populated By

S&T Policy

INNOVATION

The battle for quality

Companies and universities discuss strategies for improving engineering education

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Management

A strategy for research data

Researchers are being encouraged to better manage and share the data they produce

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INTERVIEW

Cristiana Simão Seixas: How to measure the value of nature

Biologist who coordinated assessment of biodiversity in the Americas shares strategies to slow down losses

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Science

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

The rain that united two forests

Periods of heavy rainfall between 120,000 and 12,000 years ago may have connected the Atlantic Forest to the Amazon

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PHYSICS

Creative turbulence

Stimulating random fluctuations may increase energy production in nuclear fusion reactors

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EPIDEMIOLOGY

Hidden incidence

Cases of Hansen’s disease in children in the Amazon suggest that available figures underestimate the disease

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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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MOLECULAR BIOLOGY 

Zika against cancer

The Zika virus is being tested as a tool for treating aggressive tumors of the central nervous system

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Technology

COMPUTING

A free space for creativity

Hackerspaces—locations that bring technology aficionados together—are multiplying across the country

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Computation

24-hour challenge

Competition asks programming students to tackle real-world problems

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AUTOMOTIVE INDUSTRY

Imported efficiency

Cars use less fuel with technologies fostered by the Inovar Auto program, nearly all of which are foreign

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AERONAUTICAL ENGINEERING

Blimp over the forest

Pilotless aircraft built in Brazil will monitor environmental reserves in the Amazon

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Humanities

HISTORY

Paths to freedom

On the 130th anniversary of the abolition of slavery in Brazil, studies reveal the different roles of those involved in the process

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Interview

Paulina Alberto: Black activism in the twentieth century

A book explores why black intellectuals first relucted to endorse the ideals of racial harmony, then abandoned them altogether

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MUSIC

The (almost) unknown Villa-Lobos

Analysis of his musical oeuvre, in particular the symphonies, reveals the Brazilian composer’s complex creative process

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