Chaser the Dog Shows Off Her Smarts to Neil deGrasse Tyson

Former Wofford College Professor John Pilley, owner and trainer of Chaser the Border Collie, “the world’s smartest dog,” passed away on Sunday, June 17. He was 89 years old. Learn more about how smart dogs are by watching the full segment at: NOVA on Facebook: NOVA on Twitter: @novapbs NOVA on Instagram: @novapbs PRODUCTION CREDITS Digital Producer Arlo Perez Editorial Review Julia Cort © WGBH Educational Foundation 2018 MEDIA CREDITS Mu