An encounter with Arabic dialects Por Aline Novais de Almeida
A tooth whitener made from mushrooms Por Tiago Jokura
Pesticides can affect the health of agricultural workers Por Yuri Vasconcelos e Frances Jones
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