Scientific newssheets
New herbivorous piranhas discovered in French Guiana
January 2003
The water courses of French Guiana provide habitat for so-called herbivorous piranhas of the Serrasalminae.The pinch of salt which influences El Niño onset
January 2003
El Niño occurs in the equatorial Pacific Ocean at intervals of between two and seven years.Antiretroviral medicines and the informal market in Senegal: does the government antiretroviral access programme have a controlling effect?
January 2003
Programmes for access to antiretroviral treatments launched in the countries of the South have raised the fear of uncontrolled distribution of these medicines by way of informal supply channels and, further, the emergence of viral strains resistant to these agents.