: 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.
: Examination of familiar farm animals like cows, pigs, sheep, and horses.
: 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 En manos humanas by Richard C. Francis [Richard...
: Detailed looks at the evolution of dogs from wolves and the unique path of cat domestication.
: A central thesis of the book is that humans are also domesticated. Francis suggests our species underwent a "self-domestication" process, where selection for high sociality and cooperation allowed us to dominate the planet. Structure of the Book : He argues that tameness is not just
: Francis details how selecting for a single trait— tameness —unintentionally triggers a suite of physical changes. These include floppy ears, shorter snouts, smaller brains, and unique coat colors, a pattern seen across diverse species from dogs and cats to reindeer and camels.
The narrative is divided into chapters that act as individual case studies for different species: Critical Reception En manos humanas (Spanish Edition) -
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