Issue # 156 _ February 2009

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Cover

From the edge of the forest
Reduction in rainfall eliminates large trees and reduces the Amazon's capacity to absorb carbon dioxide By

S&T Policy

financing

Measured merit

Mega-evaluation based on peer review to guide distribution of funds to UK universities

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Scientometry

Take me to your leader

Method created by a professor from Unesp sparks off a debate about the assessment of academic production

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Partnership

Joint advances

A FAPESP-Fapemig agreement approves the first ethanol research projects

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Scientific disclosure

The sky's here

One million Brazilians are likely to take part in the program of events during the International Year of Astronomy

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Environment

The human factor

Institute is going to measure health-related financial losses from different types of air pollution

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Science

Genetics

New ramifications

Brazilians dominate technique to transform adult stem cells into embryonic cells

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Physiology

The brain and infections

Drugs used to treat mental disturbances may bring about resistance to viruses, bacteria and tumors

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Physiology

Fat attracts fat

The fatty acid found in red meat causes the death of neurons that control the appetite

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Health

Love after the menopause

A study identifies factors that compromise female sexuality after the reproductive age

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Ecology

Birds from the pampas

Green beef reconciles the interests of livestock farmers and biologists in the south

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Oceanography

Underwater warehouse

Fauna from the bottom of the sea in Antarctica have resources to stay alive even in winter

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Astrophysics

Mysterious noise in the cosmos

Nasa and Inpe experiment captures a strong microwave signal in the Universe, the origin of which is unexplained

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Astrophysics

Cosmic guardian in [Brazil's] semi-arid region

Telescope on the border between Pernambuco and Bahia states is going to monitor the risk of asteroids and comets falling to Earth

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Technology

Odontology

White smile

Tooth paste with less fluoride and a low pH reduces the incidence of fluorosis in children

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Chemistry

Versatile and clean thread

Company from São Paulo creates a new process to manufacture acrylic fibers for the textile sector

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Energy

Artificial photosynthesis

New low cost solar cells reproduce the plant process for transforming sunlight

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Humanities

Diplomacy

The day on which Brazil said "no" to the United States

Researcher recovers documents with the proposal to deport black Americans to the Amazon

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Archeology

Made in USA: trafficking

The search for the "Camargo", one of the many American slave ships that came to Brazil

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Sociology

The wheel of life

Capoeira master mixes Bahian martial art and globalization in New York

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