Issue # 205 _ March 2013

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Cover

The many faces of obsession
Studies coordinated by Brazilian researchers are helping us to better understand and more effectively treat obsessive-compulsive disorder By

S&T Policy

EDUCATION

They enjoy science and challenges

Brazil’s progress in science Olympiads motivates secondary school students and helps train new researchers

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Human Resources

A Controversial Change

The scientific community expresses concern over the law that changes the career plan for faculty members at federal universities

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Media

A more open science

Editor in chief of Nature and a director of the Royal Society meet at FAPESP to discuss the challenges and limitations of open access to scientific data

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Science

Ecology

Amazonia in three dimensions

Three-dimensional maps show details of forest structure and aid monitoring of the impacts of fragmentation on native vegetation

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SPECIAL BIOTA EDUCATION I

Amid challenges, ideas and threats

Biologists give teachers and high school students an overview of the effects of fragmented ecosystems and the loss of biodiversity in Brazil

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Paleontology

The tapeworm and the shark

Fossilized feces of fish 270 million years old found in Rio Grande do Sul contain tapeworm eggs

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Brian Schmidt

Brian Schmidt: The dark energy enigma

Nobel Laureate says new methods are needed to measure the composition of most of the Universe

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A GATHERING OF NOTABLES

Five Nobel Laureates at a Single Symposium

Event in São Carlos honors American physicist and brings together a quintet of Laureates

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Physics

The secrets of the Lençóis Maranhenses

Clockwork variations between wind and rain guarantee the beauty of the dunes and ponds of Lençóis Maranhenses National Park

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Technology

Industry

More sophisticated ceramic tiles

Technological developments adopted by manufacturers of ceramic wall and floor tiles propel Brazil to the rank of world’s second largest producer

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Chemistry

Glucose battery

Pacemakers and other implanted devices will run on electricity obtained from the blood

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New materials

Imitation of nature

Brazilian researchers in Switzerland develop a way to connect plastic to ceramics just like muscle to bone

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ENGINEERING

Ozone to be used to treat mining waste

A São Paulo company plans to clean the water and soil contaminated by heavy metals at a uranium mine

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Humanities

History

The past that intrudes into the present

Collection compiles articles by historians so that a broader audience can understand contemporary Brazil

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