May 11, 2011 7:40 am New Deep Freeze Surgery Removes Irregular Heart Tissue A surgery that involves extreme cold is being used to treat Atrial Fibrillation, a heart rhythm problem. Local 1:04 Hunter Biden plans to sue Fox News 1:17 Student loan forgiveness: Deadline to consolidate loans is April 30 0:59 Runaway zebras corralled in Washington state; one still missing 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South