Are you ready for this year’s # DarkMatter Day? International Dark Matter Day occurs each year on October 31 ... which in many cultures coincides with another holiday, I am told. :-) This year’s theme is “Everyone Loves a Mystery”. Stay tuned for Dark Matter Day programming, and definitely check out the main site for this annual event: https://www. interactions.org/dark-matter-d ay # education # physics # mystery # astronomy # astrophysics # particlephysics # communication # community