Inflammatory bowel disease refers to a number of disorders that cause chronic inflammation of the digestive tract. 1  Crohn's disease and ulcerative colitis are most common; their symptoms include: 2  swelling and sores along the tissue lining the digestive tract; 3  abdominal pain; 4  frequent diarrhea; and, 5  rectal bleeding.
Depiction of the northern auroral oval from the Ovation site on July 15, 2013. Southern Canada and the northern fringe of the U.S. were under the oval with northern lights visible. The red âview lineâ shows how far south the aurora could be seen that night.
Northern Lights: Light at the end of the tundra. The aurora borealis is a fickle phenomenon. A week can pass without a flicker...then bang! The Northern Lights come on like a celestial lava lamp. In the far north of Sweden, Nigel Tisdall is rewarded for his patience. 1  Happy camper: Watching the aurora south of Abisko, Sweden, claimed to be 'the best place in the world to see it' Photo: PETER ROSEN. 2  Snow mobile: A hut and sauna at the Abisko Ark Hotel, built on runners and towed out on to the ice Photo: PETER ROSEN.