ED. 221 | JULY 2014

S&T POLICY

Credit for all

Group proposes new method for classifying each author’s role in a scientific article

Shared Quality

Facilities ensure multiple users access to equipment of the latest generation, and the practice gains adherents in São Paulo State

Research interns

Projects by public school students turn out to be among the best on display at science fairs

Retweet or perish

According to one study, Twitter is the most widely used social network for disseminating scientific articles from Brazilian journals

SCIENCE

Why Mars is so small

A theory proposed by Brazilian researchers explains the size of the Red Planet

Nebula in 3D

Three-dimensional model highlights irregularities in the cloud of gas and dust surrounding the star Eta Carinae

Mutual gains

The virulence of Toxoplasma gondii protozoa have strengthened the defenses of their main host

Creatures from the deep

Marine worms reveal surprising strategies for adapting to the cold, dark waters off the Brazilian coast

For every taste

Research reveals origin and genetic diversity of citrus

Vestiges of the Andes in Amazonia

Cold-climate trees were once common in northern Brazil

The elements in the forests

Changes in organic compound cycles could accelerate deterioration of ecosystems

TECHNOLOGY

Monitoring bees

Microsensors help scientists understand the behavior of Apis mellifera exposed to pesticides and climate change

Remote analysis

Software automates the evaluation, from satellite images, of sugarcane burning

Electronic eye

App created by IBM in São Paulo allows blind to “read” the contents of signs and panels

Radiation instrument

The Brazilian Multipurpose Reactor should be able to meet Brazil’s needs for radiopharmaceuticals to diagnose and treat disease

HUMANITIES

Unstable Macrometropolis

Study estimates that 3.8 million people are living in precarious favelas and clandestine and illegal subdivisions in 113 municipalities in São Paulo State