Highlights

Cover

Stem Cells

The Bill on Biosafety is going to boost Brazilian research

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Government

Heterodox model

The university reform proposal changes bureaucratic structures

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Publication

Pasteur’s Quadrant

Book reviews pact between the scientific community and government

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Medicine

Wide awake

Lack of sleep activates sexuality but is harmful to health

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Genetics

Molecular Signature

Method uses a small fragment of DNA to identify animal species

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Botany

The Beauty and the beast

Study reveals orchids and describes the damage caused by viruses and insects

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Physics

The hot and the cold that comes from magnets

A Unicamp team discovers unexpected properties of magnetic materials

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Sensoring

Topography maps of Brazil

Images captured by Endeavour and produced by Embrapa show Brazilian topography

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Medicines

Valuable poisons

Studies with poisonous animals have resulted in the licensing of seven patents

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Medicines

From nature to the drugstore

An anti-inflammatory made from the extract of a plant

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Biomedical Engineering

Vital implant

Stent produced by laser is going to reduce the cost of cardiac therapies

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Electrical Engineering

Body heat

Equipment detects temperature variations by way of infrared radiation

Communication

The Ninth Art

Researches show that comic books still maintain their importance

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History

Doctors or monsters?

Slavery drove the development of tropical medicine

Retrospect

Waters tamed

Thirty years ago, work started on Itaipu, the largest hydroelectric power plant in the world

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