LAGO DE SANABRIA, PRESENTE Y FUTURO DE UN ECOSISTEMA EN DESEQUILIBRIO

Provides an engaging and easy to use book with an innovative and interactive media program. It achieves a unique balance in emphasizing concepts without sacrificing scientific accuracy. The new MediaTutor, found at the end of each chapter, integrates the book and media by providing a brief description of the CD or WEB activity and the time requirement for completion. Earth Watch/Health Watch essays cover biodiversity, ozone depletion/prenatal diagnosis, and sexually transmitted diseases. Major topics include The Life Of A Cell, Patterns Of Inheritance, Evolution, Plant Anatomy And Physiology; ...

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.

Este libro es especialmente necesario en este 2021 raro en el que la pandemia y el consiguiente confinamiento nos han obligado a todos y todas a encerrarnos en nuestras casas impidiéndonos, no ya solo conocer a nadie en carne y hueso, sino incluso mantener algún tipo de contacto táctil. Sin embargo, ese contacto humano, esa necesidad de amar, de sentir algo, de emocionarnos, de desear y de que nos deseen; ese aburrimiento que se nos apodera cuando nuestro corazón está impasible; esa soledad que se apodera del alma sobre todo por las noches... todas esas emociones a veces desoladoras nos...

Humanity's understanding of the physical world is full of gaps. Not tiny little gaps you can safely ignore -- there are huge yawning voids in our basic notions of how the world works. Jorge Cham and Daniel Whiteson team up to explore everything we don't know about the universe, and while introducing the biggest mysteries in physics, they also helpfully demystify many complicated things we do know. And although the universe is full of weird things that don't make any sense, Cham and Whiteson make a case that the questions we can't answer are as interesting as the ones we can, and they invite...