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Guarana DNA

March 1, 2008 12:00 am Published by

The guarana's genome provides information about its therapeutic properties

The order of war

March 1, 2008 12:00 am Published by

The Farc: "a military giant maybe but politically and democratically a dwarf"

Rigor and generosity

February 1, 2008 12:00 am Published by

Simão Mathias was the first student to get a doctorate from the University of São Paulo's School of Philosophy, in 1942

Data under questioning

February 1, 2008 12:00 am Published by

Scientists highlight inadequacies in a study on contamination by transgenics