Thanks to all the ghouls & goblins that joined us for our Halloween-themed #cosiafterdark 🎃🍻🎉 Keep those costumes handy... 👀 COSI-Con is coming up next! 🦹✨⬇️ After Dark: COSI-Con 💥 November 14 Calling all pop culture junkies & cosplay aficionados: This science spin on Comic-Con is the night for you! 🦸‍♀️🎉 🎟️ cosi.org/afterdark 🎟️