Marcos Pivetta
INTERVIEW
José Roberto Postali Parra: The insect farmer
Entomologist defends the use of biological control to combat crop pests
By Marcos Pivetta and Marcos de Oliveira
ASTROPHYSICS
Signs of new worlds
Gravitational waves could be used to detect exoplanets in close orbit around their parent star
Physics
Hawking’s legacy
The British physicist showed black holes can emit radiation and shrink in size
Cover
The mechanisms of aging
Studies of living cells and organisms identify genetic and molecular phenomena associated with physical and mental decline
By Marcos Pivetta and Ricardo Zorzetto
Michael Shermer
Michael Shermer: In favor of reason
American science communicator fights irrational thinking and fundamentalism
José Roberto Postali Parra
José Roberto Postali Parra: The insect farmer
Entomologist defends the use of biological controls to combat crop pests
By Marcos de Oliveira and Marcos Pivetta
astrophysics
The rocks that remained
An alternative model suggests the asteroid belt originated in leftovers
Astrophysics
Worlds like ours
New spectrographs should permit the discovery of planets that are Earth twins
Thaisa Storchi Bergmann
Thaisa Storchi Bergmann: The neighborhood of black holes
Astrophysicist focuses on how black holes get their energy
PALEONTOLOGY
Reptile controversy
Proposal alters the genealogical tree of dinosaurs and divides experts
Paleontology
Animals of Paraná
Fossils indicate the existence of fauna that lived 40 million years ago