Highlights
Mathematics
Creativity in chaos
An award reveals successes in the building of an theory about dynamic systems
Energy
Biodiesel in ascension
What is missing for this oil to establish itself as a national biofuel
Memory
Always in the vanguard
Carmen Portinho helped to change architecture and the arts in Rio de Janeiro
Interview
Lilia Moritz Schwarcz: Almost blacks, almost whites
Anthropologist Lilia Schwarcz discusses the link between science and racism in Brazil
By Carlos Haag
Microelectronics
Revolution on the horizon
A possible substitute for silicon in a new generation of computer chips
Psychology
The day on which Hitler cried
The terrible consequences of the Hitler's hysterical blindness
By Carlos Haag
Sociology
The stone in the middle of the path
Or how adolescence "swallows" the planet's adults
By Carlos Haag