Issue # 221 _ July 2014
S&T Policy
Publication

Credit for all
Group proposes new method for classifying each author’s role in a scientific article
By Fabrício MarquesEducation

Research interns
Projects by public school students turn out to be among the best on display at science fairs
By Bruno de PierroScience
ASTRONOMY

Why Mars is so small
A theory proposed by Brazilian researchers explains the size of the Red Planet
By Igor ZolnerkevicIMMUNOLOGY

Mutual gains
The virulence of Toxoplasma gondii protozoa have strengthened the defenses of their main host
By Rodrigo de Oliveira AndradeECOLOGY

Vestiges of the Andes in Amazonia
Cold-climate trees were once common in northern Brazil
By Carlos FioravantiSPECIAL BIOTA EDUCATION XIV

The elements in the forests
Changes in organic compound cycles could accelerate deterioration of ecosystems
By Rodrigo de Oliveira AndradeTechnology
Remote sensing

Remote analysis
Software automates the evaluation, from satellite images, of sugarcane burning
By Marcos de OliveiraComputers

Electronic eye
App created by IBM in São Paulo allows blind to “read” the contents of signs and panels
By Yuri Vasconcelos