Issue # 221 _ July 2014

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Cover

Under Pressure
Sensor enables noninvasive monitoring of brain changes caused by trauma or pregnancy

S&T Policy

Publication

Credit for all

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

INFRASTRUCTURE

Shared Quality

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

Education

Research interns

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

Internet

Retweet or perish

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

Science

ASTRONOMY

Why Mars is so small

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

Astrophysics

Nebula in 3D

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

IMMUNOLOGY

Mutual gains

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

OCEANOGRAPHY

Creatures from the deep

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

Genomics

For every taste

Research reveals origin and genetic diversity of citrus

ECOLOGY

Vestiges of the Andes in Amazonia

Cold-climate trees were once common in northern Brazil

SPECIAL BIOTA EDUCATION XIV

The elements in the forests

Changes in organic compound cycles could accelerate deterioration of ecosystems

Technology

B IOPHYSICS

Monitoring bees

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

Remote sensing

Remote analysis

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

Computers

Electronic eye

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

NUCLEAR MEDICINE

Radiation instrument

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

Humanities

Sociology

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