Issue # 163 _ September 2009
Cover
- The transition will be smooth
- The US researcher says that cellulose ethanol and sugarcane ethanol promise to be more complementary than their competitors By Fabrício Marques
- Bagasse is the target
- An abundant by-product of the sugarcane industry provides Brazil with a competitive edge in the search for second generation ethanol By Fabrício Marques
S&T Policy
Academic production

Overseas expansion
Electronic library SciELO comes to South Africa and is praised in an editorial published in Science journal
By Marcos PivettaHuman Resources

Approved math
Study shows that students sharpened their mathematical skills by participating in public school Olympics
By Fabrício MarquesHomage

The man who calculated
Imre Simon was one of the pioneers of computer sciences and trained an entire generation of mathematicians
By Marcos PivettaScience
Psychiatry

A jigsaw puzzle in construction
Proteins lead to the belief that schizophrenia is a biological disorder
By Maria GuimarãesBioinformatics

Natural Simplicity
A new method to compare genomes may help build the tree of life
By Maria GuimarãesHealth

The future in a drop
Blood test allows identification and early treatment of a genetic disorder that leads to brain damage
By Ricardo ZorzettoEpidemiology

Concentrated Risk
Nearly 60% of asymptomatic carriers of the Aids virus with resistance to drugs are in the city of São Paulo
By Marcos PivettaNeuropharmacology
The chemistry of memory
Dopamine, a neurotransmitter associated with reward, controls the duration of memories
By Ricardo ZorzettoEvolution

Open wings around the world
Lineage of hawks appeared in South America, colonized North America and spread around most of the world
By Carlos FioravantiAstrophysics

Crystal clusters
Dozens of stars from a formation in the orbit of the Milky Way are made of diamonds
By Marcos PivettaTechnology
Telecommunications

Tracking the light
Transcontinental transmission of high definition film inaugurates 10-gigabyte optic fiber for academic Internet
By Marcos de OliveiraFISH ENGINEERING

Robust hybrid
The tilapia resulting from the cross-breeding of the mutant red tilapia with the wild black tilapia grows quickly in captivity
By Dinorah ErenoPharmacology

Medicine in the hinterland
Pharmaceutical compound promises to increase the efficiency of the treatment of leishmaniasis
By Yuri VasconcelosHumanities
Economics

Brazil's history of luxury
Research study reveals the importance of consumption in the development of Brazil
By Carlos Haag