A blood blister forms when skin and small blood vessels are damaged without breaking the skin. Trapped beneath the skin surface is some blood and skin fluid. Blood blisters are commonly caused by accidents in which the skin is pinched by a tool or a heavy weight, or they may occur from constant rubbing back and forth.
1 Sunshine hours in Chicago, Illinois range between 3:42 per day in December & 10:14 for each day in July. 2  The longest day of the year is 15:02 long and the shortest day is 8:57 long.  The longest day is 6:04 longer than the shortest day.
Thursday, December 31, 2015 Party Hours: GA 9PM to 2AM-VIP 8PM to 2AM Ring in 2016 with Chicago Scene at the Hottest New Year's Eve Party in Chicago! Chicago-Scene 15th Annual New Years Eve Party at The Drake Hotel. The longest running New Year's Eve Party in Chicago!