For some, artificial intelligence tools answer questions and make life more efficient. But for others, AI has become a form of companionship – a virtual friend, a therapist, even a romantic partner. Is AI a cure for loneliness? Or is this a symptom of something gone very wrong? Horizons moderator William Brangham explores AI relationships with Sherry Turkle, Justin Gregg and Nick Thompson.
A PBS series 'Human' explores the history of humanity and how *Homo sapiens* became the dominant species on Earth, highlighting the existence of multiple human species and the importance of cooperation in our success.
