International issue | September 2019
S&T Policy
Science
Oceanography
Sources of methane
Two thousand craters releasing the greenhouse gas found off the Brazilian coast
By Carlos FioravantiAstronomy
Unusual Stars
Researchers puzzled by recent discoveries of stars with variable brightness
By Ricardo ZorzettoTechnology
Justice
Automation in law
A new type of startup, known as legaltech, is developing technological systems for the legal field
By Janaína SimõesHumanities
Urbanism
The search for open spaces
Recent urban development has been marked by contradictions around the use of open areas
By Christina Queiroz