in the issue 182

JOSÉ ISRAEL VARGAS
Former minister remembers his career as scientist and policy maker
LETTER FROM THE EDITOR | 182
Making improvements
MEMORY
Mathematician wrote about Halley's passage across Brazil 252 years ago
COVER
Indigenous groups share a genetic alteration that favors obesity and diabetes
COVER
New study increases controversy concerning man's arrival in America
ATOMIC ENERGY
Accident in Japan reopens the debate on the future of nuclear research
HUMAN RESOURCES
Courses and services help researchers write good pieces of scientific work
INDICATORS
Lists of the best universities gain in popularity
INDICATORS
Article by chemists from Unicamp is among the most popular in Analyst
NEUROPHYSIOLOGY
Corticoids activate inflammation mechanisms in some areas of the brain
BIOLOGY
Animals of the same species have different venoms
MINERALOGY
Radioactive material allows to track the geological origin of the beaches
COSMOLOGY
Cosmic rays may have generated molecules that formed animals and plants
TRIBUTE
Sternberg dedicated his life to the relationship between man and nature
BIOTECHNOLOGY
Using microcapsules could become driving force for treating diabetes
FOOD ENGINEERING
New ingredient used by industry contains no trans fat
BIOCHEMISTRY
Energy alternative to produce electric power
NANOTECHNOLOGY
Group develops new route for the production of biomedical materials
HISTORY
After 50 years, Jânio Quadros’ resignation still intrigues analysts
THE HISTORY OF SCIENCE
Brazilian researchers find philosopher's stone recipe at the Royal Society
LITERATURE
The characteristics of Brazilian recent fiction