Social Experiment Day 2 -Laughing is more contagious than the flu By Susan Ibitz | June 30, 2020 https://humanbehaviorlab.com/wp-content/uploads/2020/06/social-2.mp4 Posted in Coffee with Science and tagged smile, social ← Social Experiment Day 1 -Laughing is more contagious than the fluSocial Experiment Day 3 -Laughing is more contagious than the flu →
