Issue # 114 _ August 2005

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Cover

The cure for the ailment
Does the country really need an electoral system reform?

S&T Policy

Indicators

Accident along the way

Research from the IBGE verifies that a contraction in the economy has limited technological advance in the country

Intellectual property

Getting Stronger

Countries from within the Amazon basin discuss group measures to protect their biodiversity

Federal Government

A physicist at the head of the ministry

Sergio Rezende assumes Science and Technology and guarantees that he will not change his predecessor's strategies

Profile

The teacher of many generations

At 93 years of age, the emeritus professor of Esalq participates in university life and continues to diffuse phytotherapy

Science

Medicine

Studies in red

Genetic defects begin to explain the origin of sanguinity diseases of the elderly

Genomics

Fascinating and terrifying

Scientists detail out the strategies for the survival of three parasites that infect illions of inhabitants in poor countries

Virology

Below the belt blows

HTLV-1 spreads like the AIDS virus and causes erectile dysfunction

Climatology

The map of the winds

Air currents lead humidity or smoke from the Amazon to the Prata basin

Zoology

While the rains don't arrive

Tree frog exclusive to the Caatinga lives in holes in the trees that it closes with its hard and spiny head

Astronomy

Cosmic yeast

The densest regions of galaxies similar to that of the Milky Way provide gas and dust for the formation of other stars

Technology

Biophotonics

Spectrums of life

Researchers bring together optical tweezers and spectroscopy to facilitate the study of living cells

Chemistry

Nano Particles

New magnetic materials on a molecular scale will be useful in electronics and in medicine

Biomedical engineering

Sharp sight

Sensor does a more detailed diagnosis of visual imperfections

Materials engineering

Plastic under control

System developed at UFSCar improves the production of bottles made with polymers

Recycling

All put to good use

Group of companies sets up company to process long-life packaging

Humanities

Philosophy

Tormented nature

Project discusses the dangers of the merchandizing of science

History

In search of the lost Tietê

A study reveals the lifestyle surrounding the main São Paulo river at the start of the 20th century