The surprises of old maps Por Carlos Fioravanti
The foundations of a nation Por Christina Queiroz
Dating indicates that skeleton found in PiauĂ is 9,600 years old Por Ricardo Zorzetto
International project preserves seeds of the wild varieties of 28 agricultural crops Por Marcos Pivetta
4,000-year-old arrowheads point to cultural exchanges between England and France Por Guilherme Eler
Indigenous lands are home to 71% of the 521 known primate species Por Eduardo Geraque