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Vectors and diseases
What do plague, malaria and chikungunya have in common? These diseases and many others - or more precisely the causal agents responsible - are spread by vectors. A vector is a transmission agent. Certain invertebrates - mainly insects - carry microscopic organisms that cause diseases and transmit...
Desertification, A Challenge for Science
Desertification is a result of land degradation, mainly caused by human activity, in dry areas of the planet. Climate change amplifies the negative effects of these activities on soils and vegetation.