Dr. Sergio Pellis, a renowned researcher with 40 years of experience studying play in rats, dives deep into the fascinating world of play dynamics across species. He and the host discuss the evolution and significance of play, including its roles in cooperation, social bonding, and even impulse control. They tackle profound questions about the purpose of play and share insights into how discomfort can enhance developmental growth. The conversation also touches on the cognitive abilities of rats as they engage in playful strategies, revealing the intricate relationships between play and animal behavior.