Nurofen “Musk Oxen” [00:30]# One scraggly, long-haired bison paws at the ground gruffly, preparing to charge. Another wooly beast revs himself up 100 yards away across the barren terrain. The two huge, pre-historic looking animals start to run at each other, head down, horns forward. They build up momentum until their heads crash together at top speed with a resounding thud. Title: “Nurofen. When the headache hits.”