“Their overall performance, say the researchers, was roughly comparable to that of human children” /How to toilet train your cow | The Economist https://www.economist.com/science-and-technology/how-to-toilet-train-your-cow/21804770
“Their overall performance, say the researchers, was roughly comparable to that of human children” /How to toilet train your cow | The Economist https://www.economist.com/science-and-technology/how-to-toilet-train-your-cow/21804770