Ha - make sure you click to see both images full-size:
The sign game was strong at the #ScienceMarch today, but this was my favorite. #marchforscience #ScienceMarchSF pic.twitter.com/qNUWlpg1ad — Sasha Aickin (@xander76) April 22, 2017
The sign game was strong at the #ScienceMarch today, but this was my favorite. #marchforscience #ScienceMarchSF pic.twitter.com/qNUWlpg1ad
— Sasha Aickin (@xander76) April 22, 2017