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Scientific American

2020-10-18, 02:12
Play Helped Dogs Be Our Best Friends


The ancestors of today’s dogs already exhibited some playfulness, which became a key trait during domestication.



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https://www.scientificamerican.com/podca...t-friends/
www.chinaphonearena.com > Off The Wall > Tech & Science > [Sci-Am] Play Helped Dogs Be Our Best Friends