Wednesday, May 28, 2025 at 8 p.m. on KPBS TV and Thursday, May 29 at 7 p.m. on KPBS 2 / Stream now with KPBS Passport! The relationship between man and his noble steed is almost as old as civilization itself, allowing our species to explore, conquer and flourish side by side with the horse. NATURE traces this revolutionizing partnership with anthropologist Niobe Thompson in this two-part series.