International issue | December 2018
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 Carlos Fioravanti
- 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 Carlos Fioravanti
S&T Policy
Education

New doorways to college
Developments in affirmative action add diversity to university admission pathways
By Fabrício Marques and Christina QueirozSCIENTOMETRICS

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
By Bruno de PierroScience
ETHOLOGY

Primate culture
Transmission of tool-use practices among capuchin monkeys helps redefine the role of traditions in evolution
By Maria GuimarãesBiology

The chemical language of insects
Within colonies, bees and ants recognize each other and organize themselves through compounds that cover their bodies
By Carlos FioravantiASTRONOMY

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
By Marcos PivettaAstronomy

Devouring stars
According to a survey, the Milky Way cannibalized eleven neighboring galaxies
By Marcos PivettaPHYSICS

The effects of quantum turbulence
Disturbing a cloud of cold rubidium atoms produces a wave phenomenon similar to light
By Victória FlórioPhysics

Heated up by the cold
Cold particles transfer heat to hotter ones in a quantum experiment, thereby reversing the thermodynamic arrow of time
By RedaçãoGEOLOGY

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
By Victória FlórioTechnology
PAPER INDUSTRY

Paper from cane fiber and leaves
Companies use sugarcane waste to produce printer paper and packaging
By Domingos ZaparolliPALEONTOLOGY

Fossils on the move
3D reconstructions highlight new characteristics of crocodiles and dinosaurs that lived millions of years ago in Brazil
By Diego FreireHumanities
ARCHAEOLOGY

Occupation of primordial “Brazil”
Evidence suggests that hunter-gatherers inhabited all major regions of Brazil roughly 10,000 years ago
By Marcos Pivetta