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.
An aurora is a natural electric phenomenon that creates bright and colorful light displays in the sky. They are common at higher latitudes, mostly within the Arctic and the Antarctic Circles. Aurora borealis in Michigan, USA. The northern lights can be green, pink, red, blue or violet in color. Â©iStockphoto.com/Constance McGuire. In the Arctic Circle, they are known as aurora borealis or the northern lights, while in the Antarctic Circle they are called aurora australis or the southern lights.