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.
In the northern hemisphere they are known as the aurora borealis and hang above the planet in an oval-shaped halo. The lights also have their southern counterpart above Antarctica, the aurora australis, but the principal audience for this is penguins. Why you must see the Northern Lights in your lifetime 02:43.