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 and Southern lights. An Aurora is a natural electric phenomenon that creates bright and colorful light displays in the skies. Auroral light displays are common at higher latitudes, and most auroral activity generally occurs within the Arctic and the Antarctic Circles. Aurora Borealis as seen in Michigan, US. Â©iStockphoto.com/Constance McGuire. Auroras that occur in the Arctic Circle are known as aurora borealis or northern lights, while auroras in the antarctic circle are known as aurora australis or southern lights.