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