Why do certain buildings fill us with a sense of dread? Is it the dramatic swoops and harsh spikes  seemingly at the ready to impale the clumsy and fleshy life-forms that wander off the beaten path  or perhaps the twinkling villainy of towering office blocks whose reflective surfaces are literally strong enough to melt cars? Perhaps it is their resemblance to war machines  like the battleship-esque Research Institute of Experimental Medicine in Berlin?