Front Covers: Scientific American – August 2021, boomersdaily, on July 21, 2021 at 9:56 pm

Animal play is not just a leisurely pursuit. It allows youngsters to practice skills needed to survive and reproduce in a safe environment. Read our August issue to learn how some of the silliest behaviors turn out to be surprising­ly meaningful: https://t.co/X0ldy98p4g pic.twitter.com/kIKglNTqxs— Scientific American (@sciam) July 21, 2021, , Read More, Boomers Daily

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