http://bit.ly/2AbEv8g The Games Animals Play Animals In some species, youngsters play to develop skills they’ll need as adults. But in other animals, adults seem to frolic for the fun of it. C. CLAIBORNE RAY http://bit.ly/2RFozp2 January 7, 2019 at 05:30AM

By C. CLAIBORNE RAY from NYT Science https://nyti.ms/2TCtnZD