Sucesión de series de números naturales intercalados entre dos números de Fibonacci. Y aplicaciones.

Presented as a catalogue, the authors provide complete and true information about endangered Mexican Freshwater fishes. A physical and ethological description, the reason of its involvement in the book, preservation state, natural history and ecology, as well as a map with its geographical location in Mexico, and a picture of the specie is provided for each fish. This book is a start point for the knowledge and preservation of the richness of this biological group.

Charles Darwin stands as a towering figure in the history of science, who changed the direction of modern thought in establishing the basis of evolutionary biology. These letters offer a fascinating window onto his daily experience, scientific observations, personal concerns and friendships, affording a unique glimpse of Darwin as both naturalist and family man. From his early years at Edinburgh University up to the publication of The Origin of Species in 1859, the letters in this volume chart the most exciting years of Darwin's life, including the voyage of the Beagle and the subsequent...

Students are introduced to the basic concepts of Organic Chemistry. The text is completed with some concrete aspects that allow to prove the great importance of this subject in both, everyday and industrial worlds.

Cada vez resulta más frecuente encontrar en los medios de comunicación noticias «llamativas» sobre colnación o manipulación genética de seres vivos, ya sean animales o plantas. Todo el mundo opina, generalmente en contra, sobre alimentos que llevan ingredientes transgénicos. Sin embargo, poco es lo que se sabe sobre el método y las posibles consecuencias de estas manipulaciones. El presente libro pretende dar una visión, forzosamente general, de los aspectos principales sobre la modificación genética de organismos, principalmente animales. Partiendo de la descripción de los...