Extreme close up photo of a living human brainJesus Diaz8/09/14 2:48am6919EditPromoteGo to permalinkA living human brain. Looks gross. But think about how amazing this is. You have one of these things inside your head, a mass of organic matter in which billions of connections make you—every memory, everything that ever was in your life is inside this mass. So yes, it may look gross, but it's freaking amazing.