[In search of biology. Reflections on evolution].

After 150 years conceiving and dealing with Nature in terms of competence, costs-benefits, exploitation of resources, strategies..., we have managed to make it enter into a "recession." This estrangement from reality and from natural phenomena, has seriously jeopardized the future of mankind on our planet and makes it necessary, even urgent, the search for a conception of biology based on scientific concepts and vocabulary that re-connects us with Nature before it is too late.