Issue # 182 _ April 2011
Cover
- Like our parents
- New study says that the first Americans looked like Africans and increases the controversy concerning the arrival of man on the continent By Marcos Pivetta
- American inheritance
- Indigenous groups from all over the continent share a genetic alteration that favors obesity and diabetes By Ricardo Zorzetto
S&T Policy
indicators
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Out of the mouths of scientists
Article by chemists from Unicamp is among the most popular in the journal, Analyst
Indicators
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The fascination with rankings
Lists of the best universities gain in popularity, despite their methodological limitations
By Fabrício MarquesHuman Resources
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Write well or perish
Courses and services help researchers write good pieces of scientific work
By Fabrício MarquesAtomic Energy
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Safety in the spotlight
Accident in Japan reopens the debate on the future of nuclear research
By Fabrício Marques and Carlos FioravantiScience
Tribute
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Beyond geography
Hilgard Sternberg dedicated his life to understanding the relationship between man and nature
By Maria GuimarãesCosmology
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Seeds of life in space
Effect of cosmic rays may have generated molecules that formed animals and plants
By Carlos FioravantiNeurophysiology
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Unexpected effect
Corticoids activate inflammation mechanisms in some areas of the brain
By RedacciónTechnology
Nanotechnology
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Magnetism for cancer treatment
Group from the State of Minas Gerais develops new route for the production of biomedical materials
By Yuri VasconcelosBiochemistry
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Sugarcane juice in biocells
Energy alternative to produce electric power
By Marcos de OliveiraFood engineering
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Leaner biscuits
New ingredient used by industry contains no trans fat
By Dinorah ErenoBiotechnology
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The protection of spheres
Using microcapsules to coat the pancreatic islets could become driving force for treating diabetes
By Marcos Pivetta