Issue # 204 _ February 2013

Cover

More bits in the service of DNA: Brazilian bioinformaticians create tools for studying genomes

Emerging economies practicing excessive self-citation draw attention to the effects of isolation

Economists, architects and geographers want to help manage Pará’s cities

Synthetic particles reduce toxicity and augment the action of drugs against cancer

Neighboring cells help neurons establish connections with one another

Sediments collected in Jureia, on the coast of São Paulo State, tell the story of a radical climate change that occurred 8,200 years ago

Physicists use lasers to synchronize microscopic oscillators that act like the pendulums of clocks

A light source inserted during fermentation accelerates yeast metabolism and increases production

Transgenic eucalyptus has 20% higher productivity than the conventional tree

The Butantan Institute and Recepta are producing the first lines of monoclonal antibodies for use in cancer treatment

Archives reveal that the U.S. government had a hidden agenda in bringing Brazilian artists to New York

Foreign policy under redemocratization pursued greater autonomy, but without giving up its essence