«I am myself plus my circumstance, and if I do not save it, I cannot save myself», wrote Ortega y Gasset in Meditations on

Carles Puche The universe is full of gas clouds, dust and organic matter. Radiotelescopes have detected the presence of water and a great variety of

«The time has come to close the book on infectious diseases. We have basically wiped out infection in the United States». These optimistic words were addressed to the United Nations General Assembly in 1966 by William H. Stewart, the Surgeon General of the United States (leading spokesperson on matters of public health).

The sun formed about 5,000 million years ago. Since then it has been rotating around the Milky Way, which takes around 226 million years.

Nature’s complexity goes beyond human imagination. The discovery and exploitation of biodiversity has undoubtedly helped us to reach a certain level of understanding of