Issue # 144 _ February 2008

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Cover

No advances without them
Experiments with animals are still being conducted, contrary to what activist claim By

S&T Policy

Information

Traveling Revolution

Exhibition brings advances in genome science to Brazil

Bureaucracy

Undoing the knots

Federal Tax Authorities and Anvisa regulatory body facilitate the importing of research material

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Agribusiness

Embrapa's Growth Acceleration Program

Institutional innovation to consolidate company's presence in Africa, Europe and Latin America

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Science

Genetics

Muscle tone to order

Activation of gene transforms stem cells into muscle cells

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Physics

Black or white

Computer simulations explain how different opinions spread among the population

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Astronomy

In the depths of the Cosmo

Gigantic black holes convert part of the matter they capture into particle jets that sweep all over space

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Ethology

Tricks of a seducer

Relatives of spiders, male harvestmen that take care of the eggs and attract the attention of females

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Immunology

First movement

Enzyme that may cause arthrititic inflammation and its pain discovered

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Oceanography

An almost dead sea

Pollution in the Bay of Santos leads to areas with no marine life

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Genomics

Data under questioning

Scientists highlight inadequacies in a study on contamination by transgenics

Ecology

Re-planting the Forest

With the support of research centers and because of pressure from government authorities, farmers and local administrations are bringing forests back to life

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Technology

Biochemistry

You only need to open your mouth

Minas Gerais company uses saliva to measure stress caused by physical and mental exhaustion

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Chemistry

Antichagas Disease

In preliminary tests, substances killed trypanosoma cruzi

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Robotics

Technological literacy

Robots developed by a small company will be available to 60 thousand students this year

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Biofuel

Sweet cassava ethanol

A variety of the sweet root reduces the number of stages in the production of fuel alcohol

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Humanities

Art

The Tropicália movement, according to Hélio Oiticica

Thesis shows that the person who coined the word tropicália used his writings as the basis for ideas that revolutionized the Brazilian culture in the 1960's

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Communication

The war that appeared on TV

Group studies media narrative as building a general view of criminality

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Political Science

The olive-green forest

Studies analyze military thoughts on the Amazon region

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