Skeptoid #633: The Horsey History of Clever Hans
Skeptoid - Podcast készítő Brian Dunning - Keddek

This early-1900s horse appeared to be able to do math and other feats, and we learned a lot from him.
Skeptoid - Podcast készítő Brian Dunning - Keddek
This early-1900s horse appeared to be able to do math and other feats, and we learned a lot from him.