Highlights

History

In search of the lost Tietê

A study reveals the lifestyle surrounding the Tietê river at the 20th century

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Retrospect

Fire and iron

In the interior of Sao Paulo, the two-hundred-year old Ipanema steel mill is restored

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Isaias Raw

Isaias Raw: A battling scientist

A battling scientist

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Ecology

Under new management

Law authorizes private management of public forest to contain deforestation

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Legislation

Battle in the courts

Law that permits the use of embryonic stem cells is contested

Federal Government

Fast lane

A new bill speeds up measures to stimulate technological innovation

Cover

Spoan: a new illness

Consanguineous marriages bring about an unknown form of deficiency

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Genetics

The intelligence leaps

Strips of mobile DNA regulate the differentiation of nerve cells

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Biochemistry

Molecular goldsmith

São Paulo network clarifies the structure of 52 proteins

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Physiology

The chemistry of acupuncture

Acupuncture combat gastric ulcer and improve sleeping quality

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Botany

On the surface of the earth

Botanists identify in São Paulo 7,239 species of native plants

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Paleontology

The mastodon and the macrauchenia

Dating the teeth helps in the reconstruction of the Northeast's megafauna

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Chemistry

Powerful liaisons

Ceramic nanoribbons are used as connectors in circuits and transistors

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Aerospace engineering

Space for conquests

Brazil now has essential components for satellites

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Gastroenterology

Mopping up

Machine developed by a small company cleans endoscopes more effectively

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