From SMUPhysics http://status.hackerposse.com/url/17305 on Twitter: "Dark Matter Day" fast approaches on Oct. 31! Learn more about the event planned for that day on our department website, http://status.hackerposse.com/url/19212 and celebrate the search for dark matter. Will _you_ be the one who cracks the nature of this invisible hand that shapes the cosmos? http://statu…