Yuri Vasconcelos and Neldson Marcolin
Interview
Osvaldo Catsumi Imamura: A secure device
The engineer who created the layered security framework for Brazil’s electronic voting machine explains why the system is trustworthy
By Yuri Vasconcelos and Neldson Marcolin
Memory
The structure of matter revealed
UNESCO has chosen 2014 as the International Year of Crystallography
Memory
Getting acquainted with the sea
The first Brazilian oceanography expedition took place 60 years ago
CRODOWALDO PAVAN
Boost for science and technology policy
Pavan acted on various fronts in support of Brazilian research
Retrospect
Rigor and generosity
Simão Mathias was the first student to get a doctorate from the University of São Paulo's School of Philosophy, in 1942
Retrospect
The height of knowledge
63 years ago, Barbara McClintock discovered on making a study of corn that the genome is not stable
Retrospect
Official verdict
An unprecedented document signals the start of immunization in Brazil back in 1804
Retrospect
Windmill power
Created in the 19th century, wind-generated electricity is expanding worldwide
Memory
Always in the vanguard
Carmen Portinho helped to change architecture and the arts in Rio de Janeiro
Retrospect
In the days of maxambomba
140 years ago, the country's first urban railroad was inaugurated in Recife.
Retrospect
The emperors and the mummies
The owner of Latin America's largest Egyptian collection, Brazil looks for resources to excavate in Tanis
Retrospect
Driven by passions
José Leite Lopes, who died at the age of 87, leaves a vast range of accomplishments