Social Experiment Day 1 -Laughing is more contagious than the flu By Susan Ibitz | 29/06/2020 http://humanbehaviorlab.com/wp-content/uploads/2020/06/social-exp-1.mp4 Posted in Coffee with Science and tagged #monday, fun, laughing ← How to avoid Sales Suicide Myth # 1Social Experiment Day 2 -Laughing is more contagious than the flu →