Radiaciones ionizantes

Hace escasas décadas había un optimismo general respecto a la efectividad de las medidas para controlar la mayoría de las enfermedades infecciosas. Sin embargo, ese optimismo pronto se derrumbó debido a la aparición de nuevas enfermedades causadas por virus desconocidos hasta entonces. El SIDA o las infecciones por el virus Ébola o por nuevos tipos de hantavirus son buenos ejemplos de enfermedades que han emergido en los últimos años y para las cuales aún no existe un tratamiento efectivo. ¿Qué está sucediendo? ¿De dónde surgen estos nuevos virus? ¿Por qué es tan difícil...

Following the overthrow of the classical world picture by the findings of quantum mechanics, physicists have proposed a broad gamut of alternative worldviews. The Quantum Enigma begins with the major recognition that each of these suffers from a certain residual Cartesianism that has been smuggled in unconsciously. It turns out that the moment this hidden and problematic premise is discarded, quantum theory begins to make sense in a way that it never has before. As the author shows, it is now possible, for the first time, to integrate the findings of quantum physics into a worldview that...

Behind the appearance of an innovative vaccine there is a history of determination and struggle, of breaking established models, and of overcoming the mistrust that generates a new theory. In this book we are going to learn about those stories, the stories of great scientists who fought to prove new theories and are now behind vaccines that save or will save millions of lives. We will experience with them the moment when they discovered that they had defeated a virus. We will travel inside the infectious agents to learn about their ability to gain ground in humans, the biological tools they...

The book emphasizes environmental problems like contamination, deforestation, the extinction of animal species, and climate change, providing the student with an environmental awareness. It helps instill an attitude of participation on the part of the student, by which he can make a positive contribution in the community. It has an attractive format and includes diverse activities.