From SMUPhysics https://twitter.com/SMUPhysics on Twitter: "Dark Matter Day" fast approaches on Oct. 31! Learn more about the event planned for that day on our department website, https://t.co/XauggrUTpf and celebrate the search for dark matter. Will _you_ be the one who cracks the nature of this invisible hand that shapes the cosmos? https://twitter.com/SMUPhysics/status/1188988765592793088/photo/1 https://chirp.cooleysekula.net/attachment/62040