International issue | January 2013

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Cover

Opening up the Earth
Physicists detail the structures and transformations of minerals in regions deep inside the planet By

S&T Policy

S&T Policy 

Delicate balance

Studies show that the structure of BRIC scientific communities increasingly resembles the structure of scientific disciplines in developed countries

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Investment

One country, two models

State expenditures on research and development reveal the gap between São Paulo and the other Brazilian states

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Recognition

Intellectual references

International awards, such as the one granted to Fernando Henrique Cardoso, enhance the reputation of Brazil’s scientific community

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Science

Mental Diseases

Storms of the body and soul

Crises of depression and euphoria cause chemical imbalances that may damage cells and accelerate aging of the body

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muscular dystrophy

Joint treatment

The combined use of stem cells and a growth factor reduces disease symptoms in mice

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Technology

Business Research

Mining expansion

Vale celebrates its 70th anniversary by investing in long-term projects with a focus on mining and sustainable development

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New materials

The value of impurities

Brazilians discover a new family of materials that conduct electricity without losing energy

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Global warming

Cleaner sugarcane fields

Emissions of the most hazardous greenhouse gas from sugarcane plantations are lower than previously estimated

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Humanities

History of science

An inconvenient pinch of magic

Brazilian researchers discover alchemical powder in an archive at the Royal Society, the seat of the scientific revolution

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Foreign Relations

Dance of the wheelchairs at the United Nations

The idea of Brazil on the Security Council, seen as a “whim” by analysts, came from the United States

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