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

Out of the mouths of scientists
Article by chemists from Unicamp is among the most popular in the journal, Analyst
Indicators

The fascination with rankings
Lists of the best universities gain in popularity, despite their methodological limitations
By Fabrício MarquesHuman Resources

Write well or perish
Courses and services help researchers write good pieces of scientific work
By Fabrício MarquesAtomic Energy

Safety in the spotlight
Accident in Japan reopens the debate on the future of nuclear research
By Fabrício Marques and Carlos FioravantiScience
Tribute

Beyond geography
Hilgard Sternberg dedicated his life to understanding the relationship between man and nature
By Maria GuimarãesCosmology

Seeds of life in space
Effect of cosmic rays may have generated molecules that formed animals and plants
By Carlos FioravantiNeurophysiology

Unexpected effect
Corticoids activate inflammation mechanisms in some areas of the brain
By RedacciónTechnology
Nanotechnology

Magnetism for cancer treatment
Group from the State of Minas Gerais develops new route for the production of biomedical materials
By Yuri VasconcelosBiochemistry

Sugarcane juice in biocells
Energy alternative to produce electric power
By Marcos de OliveiraFood engineering

Leaner biscuits
New ingredient used by industry contains no trans fat
By Dinorah ErenoBiotechnology

The protection of spheres
Using microcapsules to coat the pancreatic islets could become driving force for treating diabetes
By Marcos Pivetta