Magazines, Reviews, Science, Views Front Covers: Scientific American – August 2021 July 21, 2021 boomersdaily Leave a comment 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