Enlarge / Given how messy a typical physics lab is, CERN is just as likely to lose the animator it intends to store. (credit: Maximilien Brice, Julien Ordan/CERN) Matter, despite being omnipresent here on Earth, is a bit of a mystery. Most of the matter in the Universe comes in the form of dark matter, which doesn't seem to have significant interactions with light or other matter.