Intertwining poignant storytelling with illuminating scientific insights, 'Mama's Last Hug' by Frans de Waal offers a stirring analysis of the rich emotional lives of animals. This evocative book commences with a viral moment of farewell between Mama, a dying chimpanzee matriarch, and biologist Jan Van Hoof, highlighting the profound shared capacity for emotions across species. Delving into the social behaviors, expressive nuances, and ethical conundrums emerging from his studies of primates, de Waal posits that the emotions we consider inherently human are in fact universal, meditating on the threads of sentience that unite the animal kingdom, including us.