Issue # 124 _ June 2006

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Cover

The wrong choice
A study published in the magazine Lancet shows that an unnecessary cesarean sections places the lives of the mother and baby at risk By

S&T Policy

Evaluation

To publish is not everything

An article proposes a qualitative method for evaluating researcher's performances

By

Biodiversity

The rule of the closed field

A national law obstructs the collection of biological samples and paralyzes research

By

Industrial Property

Insurance against theft

The government discloses ut a list of 3,000 Brazilian vegetal species in order to avoid the misappropriation of their names abroad

By

Cooperation

The structure surrounding the brain

The CInAPCe Program promotes an unprecedented partnership or the mapping of epilepsy

By

Science

Geology

Mountains of history

Rocks of up to 250 million years old tell us about the formation of Brazil and the movements of the earth's crust

By

Physics

Ghosts under the earth

Detectors accompany the disappearance of the most abundant particles in the Universe

By

Biology

Music in the marshes

Frogs, toads and tree frogs exhibit 70 calls and 29 of sexual reproduction

By

Paradigms

Darwin versus Adam

Advance of creationism mobilizes a scientist in defense of the Theory of Evolution

By and

Medicine

Intense doubt

Nobody knows if it really is adult stem cells that work in related cases of success

By

Technology

Metrology

Brazilian precision

A new atomic clock capable of going slow only one second in millions of years is developed in Brazil

By

Biochemistry

The cure from poison

Toxin of the urutu pit viper acts as a cicatrizant and in the formation of the blood vessels

By

Energy

Soybeans in the refinery

Petrobras's research center develops technique for using vegetable oil in the production of diesel

By

Agriculture

Efficiency in the field

Company develops equipment that controls the cutting of sugarcane better and makes it possible to spray and irrigate other crops with greater precision

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Computing

Programmed Lives

Projects seek to improve the traffic for users of collective transport

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Humanities

Exhibition

Seeing is Relative

Displays in São Paulo and in Switzerland recall Einstein's "miraculous year"

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Design

Santos-Dumont

Exhibition in São Paulo shows little known talent of the inventor

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Economy

Piped gas

Crisis between Brazil and Bolivia has more geopolitical reasons than economic ones

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Sociology

Punishment and crime

Study from USP reveals that recent violence of the PCC has old roots

By