Are you a founder of a public engagement in science initiative? Want to be stop by SAi TV and tell us about it? Email Co-Host Victoria Gonzalez at victoria.gonzalez@stemadvocacy.org About the #SciComm, #STEM and #SCIART Metrics The numbers represent Engagement on Twitter regarding the number of times anyone engaged with a post or article where the hashtag was mentioned. This includes likes, retweets, shares, and comments. 7D (7 days) represents the time period in question.