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.
A 2012 time-lapse compilation of the Aurora Borealis with original composition, Coronal Mass Ejection, by Peter Van Zandt Lane. Aurora Borealis (Northern Lights) The aurora is a beautiful, if hard to predict, phenomenon, occurring year-round. Only in the fall, winter and early spring, however, is there enough darkness to allow us to see the northern lights when they occur. By the second week of August, the night sky is dark enough to potentially allow views of the aurora.