Issue # 204 _ February 2013
S&T Policy
Science Communication
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Isolated knowledge
Emerging economies practicing excessive self-citation draw attention to the effects of isolation
By Bruno de PierroThe Amazon
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The new lands of the cities
Economists, architects and geographers want to help manage Pará’s cities
By Carlos FioravantiScience
Science Medicine
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Remarkable letter carriers
Synthetic particles reduce toxicity and augment the action of drugs against cancer
By Carlos FioravantiNeuroscience
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Today’s superstars
Neighboring cells help neurons establish connections with one another
By Marta San Juan FrançaOptics
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In tune with light
Physicists use lasers to synchronize microscopic oscillators that act like the pendulums of clocks
By Igor ZolnerkevicTechnology
Technology Beverages
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Light-infused beer
A light source inserted during fermentation accelerates yeast metabolism and increases production
By Marcos de OliveiraSilviculture
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More cellulose per square centimeter
Transgenic eucalyptus has 20% higher productivity than the conventional tree
By Evanildo da Silveira