Two Mayo Clinic researchers spent 10 days conducting physical tests on themselves and about 20 climbers at the base camp for Mt. Everest. The testing at 17,500 feet sheds light on how the body reacts to high altitudes, which mimics conditions that patients suffer from heart disease, obesity and aging.
'Scary morning': Flying truck part smashes through windshield
The close call happened Friday on Highway 55 near St. Cloud.