Vol. 7 • n. 2 • July-Oct. 2000

ANALYSIS  Poison and the mosquito: epistemological aspects of the etiology and prophylactics of yellow fever SANDRA CAPONI  abstract Gilberto Freyre, environmental history and ‘rurbanization’ JOSÉ MARCOS FROEHLICH  abstract Tuberculosis throughout the times HELEN GONÇALVES  abstract The construction of the “sick-subject” in RSI MARILENE AFFONSO ROMUALDO VERTHEIN and CARLOS MINAYO-GOMEZ  abstract Water pipelines conduits and urban sanitation in Cartagena in the beginning of the twentieth century ÁLVARO LEÓN CASAS ORREGO  abstract Richard Spruce, botanist-South America’s explorerl MARK R. D. SEAWARD  abstract History and nature in von Martius: scanning Brazil to build a nation MANOEL LUIZ SALGADO GUIMARÃES  abstract IMAGES Agudás – from Africans in Brazil to ‘Brazilians’ in Africa MILTON GURAN  text in portuguese RESEARCH NOTE Videographies of the heart: an ethnographic study of the cardiac catheterization ROSANA HORIO MONTEIRO and LÉA VELHO text in portuguese DOSSIER TRANSGENICS INTRODUCTIONS GMOs on the menu: crack them before eating! … LUISA MASSARANI  text in portuguese PING-PONG Much ado about nothing FRANCISCO SALZANO talks to Luiza Massarani text in portuguese The scientific community is in doubt Depoimento de GLACI ZANCAN text in portuguese ANALYSIS Transgenics and controlled evolution JOÃO LÚCIO DE AZEVEDO, MARIA HELENA PELEGRINELLI FUNGARO and MARIA LÚCIA CARNEIRO VIEIRA  abstract A technology with multiple applications MÁRCIA MARGIS PINHEIRO, LILIANE GERHARDT and ROGÉRIO MARGIS  abstract Implications of transgenics for environmental and agricultural sustainability RUBENS ONOFRE NODARI e MIGUEL PEDRO GUERRA  abstract Transgenics without manichaeism SILVIO VALLE  abstract Transgenic plants: the future of sustainable agriculture ANTÔNIO RODRIGUES CORDEIRO  abstract The critical scientists’ voice FLAVIO LEWGOY  abstract INTERVIEWS Transgenics and productivity in the Brazilian agriculture Interview by PAULO CAVALCANTI GOMES FERREIRA text in portuguese Concerns over transgenic soybean Interview by BERNARDO BEIGUELMAN text in portuguese A change in the scientific Paradigm Interview by LEILA ODA text in portuguese PUBLIC OPINION Public opinion on transgenics LUISA MASSARANI  text in portuguese CHRONOLOGY A chronology from newspaper clippings RENATA MENASCHE  text in portuguese GLOSSARY text in portuguese TIPS text in portuguese