International issue | December 2018

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Cover

The monkey alarm
Even in cities where yellow fever is controlled by vaccination, the infection is decimating populations of wild primates whose deaths indicate areas where the virus is transmitted By
From monkeys to people
A Fiocruz team suggests a sixth form of malaria that is transmitted by mosquitoes infected after biting wild primates in the Atlantic Forest By

S&T Policy

Education

New doorways to college

Developments in affirmative action add diversity to university admission pathways

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SCIENTOMETRICS

The metropolis and science

Study analyzes papers by authors from 2,000 cities around the world and ranks São Paulo among the 20 with the highest scientific output

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Science

ETHOLOGY

Primate culture

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

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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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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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Astronomy

Devouring stars

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

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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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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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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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Technology

PAPER INDUSTRY

Paper from cane fiber and leaves

Companies use sugarcane waste to produce printer paper and packaging

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PALEONTOLOGY

Fossils on the move

3D reconstructions highlight new characteristics of crocodiles and dinosaurs that lived millions of years ago in Brazil

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Humanities

ARCHAEOLOGY

Occupation of primordial “Brazil”

Evidence suggests that hunter-gatherers inhabited all major regions of Brazil roughly 10,000 years ago

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INTERVIEW

Elza Salvatori Berquó: A pioneering spirit in demography

Researcher who revealed the changes in Brazilian reproductive behavior wants to know more about youth

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MUSEOLOGY

The uncertain fate of police museum collections

Researchers defend the preservation of collections, while social movements and relatives demand the removal of objects and bodily remains

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