Issue # 266 _ April 2018

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Cover

A world controlled by algorithms: Logical computer systems are having a growing impact on everyday life

S&T Policy

BIOENERGY

Impact on the market

RenovaBio, a new national biofuel policy, will reward efficient producers and promises to expand supply

Bioenergy

On the frontiers of ethanol made from sugarcane

Project outlines scenarios to increase biofuel production in Africa and Latin America

COOPERATION

A catalyst for debate

For ten years, the Mobilization for Business Innovation has been guiding corporate strategies and coordinating the dialogue between government, the private sector, and universities

AFFIRMATIVE ACTION

Diverse Environment

Universities invest in policies for the protection and inclusion of transgender students and researchers

REMOTE SENSING

Help facing the fire

Brazilian states begin using new tools to analyze data on forest fires

Science

GEOSCIENCES

Scars of a cataclysm in Central Brazil

Rocks found in the states of Mato Grosso, Goiás, and São Paulo reveal earthquake and tsunami caused by a meteorite some 250 million years ago

PHYSICS

Frozen light

Theoretical study proposes a new way of stopping light

Physics

Hawking’s legacy

The British physicist showed black holes can emit radiation and shrink in size

physics

Half a century with ALS

Stephen Hawking may have been the longest-living patient with amyotrophic lateral sclerosis

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

CARDIOLOGY

Replaced hearts

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

Technology

MICROELECTRONICS

Brazil’s chip-making dream

New Qualcomm packaging facility to place Brazil among global semiconductor producers

AGRICULTURE

The smaller the better

Nanoparticles and nanocapsules may reduce the use of agrochemicals while maintaining biological efficacy

Humanities

LITERATURE

Modernism revisited

Researchers rethink the São Paulo avant-garde movement's place in the Brazilian cultural scene

URBAN PLANNING

An ambivalent mayor

A study suggests that Pereira Passos’s reform of downtown Rio de Janeiro at the turn of the previous century was designed to integrate, rather than exclude, the lower classes