: Analysis of less traditional domesticated animals, including camels, reindeer, and laboratory rats.

: The final three chapters focus on human evolution, attributing our success to "hypersociality" and cooperative behavior. Critical Reception En manos humanas (Spanish Edition) - Amazon.com

is the Spanish edition of Richard C. Francis's acclaimed science book, originally titled Domesticated: Evolution in a Man-Made World . In this work, neurobiologist Richard C. Francis explores the profound biological and evolutionary changes that have occurred in animals—and humans—through the process of domestication. Core Themes and Concepts

: He argues that tameness is not just a behavior but is rooted in genetics, specifically affecting developmental processes that make animals more cooperative and less aggressive.