How can we foster cooperation and discourage selfish choices? Studies in sibling rivalry might hold the key to helpful competition http://ow.ly/wUcv30mfos5 pic.twitter.com/JEGcyKxQcO
7:00 PM - 16 Oct 2018
0 replies
3 retweets
6 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.