Issue # 232 _ June 2015

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Cover

A villain with many faces
Fighting dengue now and in the coming years requires a combination of old and new strategies By and

S&T Policy

Laboratories

Fragmented efforts

IPEA study indicates Brazil’s research infrastructure has benefited from recent but unsystematic investment

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Collaboration

Competitive measurements

Inmetro seeks universities to participate in a Brazilian metrology network

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Bioenergy

Obstacle race

Study indicates that Brazil plays a modest role in cellulosic ethanol research networks, despite its importance as a biofuel producer

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Evaluation

What each does best

USP Chemistry Institute department develops method to measure faculty performance

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Science

MENTAL HEALTH

A long maturation period

Functional magnetic resonance images begin to reveal stages of development in the brain’s networks along with deviations that might indicate future psychiatric disorders

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TISSUE ENGINEERING

Made-to-measure organs

Stem cells aid in producing trachea and blood vessels with less risk of transplant rejection

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Astronomy

An enigma in the Milky Way

International team identifies young stars in our galaxy with the chemical composition of old stars

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PHYSICS

Less energy loss

International group produces graphene and phosphorene transistor in the laboratory, with layers one atom thick

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OCEANOGRAPHY

Thinner and more fragile

Ice shelves in western Antarctica are losing volume, and one shelf may disappear by the end of the decade

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ZOOLOGY

A zoo among the feathers

Birds are hosts to a wide variety of mites, most of them unknown to science

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Technology

NANOTECHNOLOGY

Selective transport

Silica nanoparticles carry antibiotics and eliminate bacteria without harming healthy cells

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Computer science

Recognizing the environment

System developed with video game technology transforms images into sounds in order to simplify the day-to-day activities of the visually impaired

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BIOTECHNOLOGY

Natural actives

Red blood cells are a source of proteins and lipids for producing small capsules and drug candidates

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Humanities

Heritage

Feet planted in history

Researchers record the struggles of the remaining members of fugitive slave communities in Vale do Ribeira to preserve their lands and traditions

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Architecture

The Artigas whirlwind

The architect’s centennial commemorates not only his work in general, but his contributions as educator, militant and thinker

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